FOREWORD
This wiring diagram manual has been prepared to provide information on the electrical system of the 2007 CAMRY.
Applicable models: GSV40 Series
ACV40 Series
Refer to the following manuals for additional service specifications and repair procedures for these models:
Manual Name |
Pub. No. |
D 2007 CAMRY Repair Manual |
RM0250U |
D 2007 CAMRY New Car Features |
NM0250U |
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All information in this manual is based on the latest product information at the time of publication. However, specifications and procedures are subject to change without notice.
NOTICE
Always follow the directions given in the above repair manuals when handling supplemental restraint system components (such as removal, installation, inspection, etc.) in order to prevent accidents and supplemental restraint system malfunction.
E2006
All rights reserved. This book may not be reproduced or copied, in whole or in part, without the written permission of Toyota Motor Corporation.
First Printing : Jan. 13, 2006 01–060113–00
2007 CAMRY ELECTRICAL WIRING DIAGRAM
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Section Code |
Page |
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . |
. . . . . A . . . . |
2 |
HOW TO USE THIS MANUAL . . . . . . . . . . |
. . . . . B . . . . |
3 |
TROUBLESHOOTING . . . . . . . . . . . . . . . . . |
. . . . . C . . . . |
12 |
ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . |
. . . . . D . . . . |
17 |
GLOSSARY OF TERMS AND SYMBOLS . |
. . . . E . . . . |
18 |
RELAY LOCATIONS . . . . . . . . . . . . . . . . . . . |
. . . . F . . . . |
20 |
ELECTRICAL WIRING ROUTING . . . . . . . |
. . . . G . . . . |
48 |
SYSTEM CIRCUITS . . . . . . . . . . . . . . . . . . . . |
. . . . H . . . . |
70 |
GROUND POINT . . . . . . . . . . . . . . . . . . . . . . |
. . . . . I . . . . |
396 |
POWER SOURCE (Current Flow Chart) |
. . . . . J . . . . |
404 |
CONNECTOR LIST . . . . . . . . . . . . . . . . . . . . |
. . . . K . . . . |
414 |
PART NUMBER OF CONNECTORS . . . . . |
. . . . L . . . . |
436 |
OVERALL ELECTRICAL WIRING DIAGRAM . M . . . . |
440 |
1
CAMRY (EM0250U)
A INTRODUCTION
This manual consists of the following 13 sections:
No. |
Section |
Description |
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INDEX |
Index of the contents of this manual. |
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A |
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INTRODUCTION |
Brief explanation of each section. |
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B |
HOW TO USE THIS |
Instructions on how to use this manual. |
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MANUAL |
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C |
TROUBLE– |
Describes the basic inspection procedures for electrical circuits. |
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SHOOTING |
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D |
ABBREVIATIONS |
Defines the abbreviations used in this manual. |
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GLOSSARY OF |
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E |
TERMS AND |
Defines the symbols and functions of major parts. |
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SYMBOLS |
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F |
RELAY LOCATIONS |
Shows position of the Electronic Control Unit, Relays, Relay Block, etc. |
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This section is closely related to the system circuit. |
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G |
ELECTRICAL |
Describes position of Parts Connectors, Splice points, Ground points, etc. |
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WIRING ROUTING |
This section is closely related to the system circuit. |
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INDEX |
Index of the system circuits. |
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H |
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Electrical circuits of each system are shown from the power supply through ground |
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points. Wiring connections and their positions are shown and classified by code |
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SYSTEM CIRCUITS |
according to the connection method. (Refer to the section, ”How to use this manual”). |
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The ”System Outline” and ”Service Hints” useful for troubleshooting are also contained |
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in this section. |
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I |
GROUND POINT |
Shows ground positions of all parts described in this manual. |
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J |
POWER SOURCE |
Describes power distribution from the power supply to various electrical loads. |
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(Current Flow Chart) |
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K |
CONNECTOR LIST |
Describes the form of the connectors for the parts appeared in this book. |
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This section is closely related to the system circuit. |
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L |
PART NUMBER OF |
Indicates the part number of the connectors used in this manual. |
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CONNECTORS |
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OVERALL |
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M |
ELECTRICAL |
Provides circuit diagrams showing the circuit connections. |
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WIRING DIAGRAM |
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2
CAMRY (EM0250U)
HOW TO USE THIS MANUAL B
This manual provides information on the electrical circuits installed on vehicles by dividing them into a circuit for each system.
The actual wiring of each system circuit is shown from the point where the power source is received from the battery as far as each ground point. (All circuit diagrams are shown with the switches in the OFF position.)
When troubleshooting any problem, first understand the operation of the circuit where the problem was detected (see System Circuit section), the power source supplying power to that circuit (see Power Source section), and the ground points (see Ground Point section). See the System Outline to understand the circuit operation.
When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit. Internal wiring for each junction block is also provided for better understanding of connection within a junction block.
Wiring related to each system is indicated in each system circuit by arrows (from__, to__). When overall connections are required, see the Overall Electrical Wiring Diagram at the end of this manual.
3
CAMRY (EM0250U)
BHOW TO USE THIS MANUAL
*The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.
[A]
Stop Light
ECU |
Actuatorwith |
SkidControl |
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[D] |
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(BAT) |
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15A |
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STOP |
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2 |
[B] |
1 |
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W – R
2
H6
Stop Lamp SW
1
G – W
G – W
G – W
7
[M]
(IG)
7.5A GAUGE
3 |
IB |
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4 |
IB |
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R – L |
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L |
(S/D) |
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7 |
3C |
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[C] |
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[G] |
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14 CH1 |
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15 3C |
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R |
(W/G) |
L |
(S/D) |
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R – L |
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Meter |
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L |
(S/D) |
[E] |
4 |
Rear Lights |
H7 Combination |
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15 CH1 |
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13 |
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[F] |
– G |
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Y |
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H4 |
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8 |
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Light Failure Sensor |
4 |
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2
[H]R–
G
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1 |
G – R |
[N] |
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HJ1 |
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G – R |
Lamp (RH) |
G – R |
Lamp (LH) |
Stop |
J7 CombinationRear |
Stop |
H9 CombinationRear |
4 |
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3 |
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3 |
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6 |
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W – B |
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W – B |
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1 |
W – B |
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HJ1 |
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W – B
H1 [K]
50 [L]
1 |
11 |
[I] |
– B |
– B |
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G |
W |
(Shielded) |
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2
H17
[J] Center Stop Lamp
1
W – B
H2
4
CAMRY (EM0250U)
B
[A]: System Title
[B]: Indicates a Relay Block. No shading is used and only the Relay Block No. is shown to distinguish it from the J/B
Example: Indicates Relay Block No.1
[C] : ( ) is used to indicate different wiring and connector, etc. when the vehicle model, engine type, or specification is different.
[D]: Indicates related system.
[E]: Indicates the code for the (male and female) connectors which are used to join two wire harnesses. The connector code consists of two alphabetical and one numerical characters.
Female |
Male ( ) |
The first character of the connector code indicates the alphabetical code allocated to the wire harness which has the female connector, and the second shows that of the wire harness which has the male connector.
The third character indicates a serial number used to distinguish between the wire harness combinations in cases when more than one of the same combination of wire harnesses exist
(e.g. CH1 and CH2).
Symbol ( ) indicates the male terminal connector. Numbers outside connector codes indicate the pin numbers of both male and female connectors.
[F]: Represents a part (all parts are shown in sky blue). The code is the same as the code used in parts position.
[G]: Junction Block (The number in the circle is the J/B No. and the connector code is shown beside it). Junction Blocks are shaded to clearly separate them from other parts.
Example:
3C indicates that it is inside Junction Block No.3
[H] : Indicates the wiring color.
Wire colors are indicated by an alphabetical code.
B |
= Black |
W |
= White |
BR = Brown |
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L |
= Blue |
V |
= Violet |
SB = Sky Blue |
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R |
= Red |
G |
= Green |
LG = Light Green |
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P |
= |
Pink |
Y |
= Yellow |
GR = Gray |
O |
= |
Orange |
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The first letter indicates the basic wire color and the second letter indicates the color of the stripe.
Example: L – Y
L Y (Blue) (Yellow)
[I]: Indicates a shielded cable.
[J]: Indicates the pin number of the connector.
The numbering system is different for female and male connectors.
Example: Numbered in other |
Numbered in other |
from upper left to |
from upper right to |
lower right |
lower left |
Female |
Male |
[K]: Indicates the ground point. The code consists of the two characters: A letter and number.
The first character of the code indicates the alphabetical code allocated to the wire harness. The second character indicates a serial number used to distinguish between the ground points in cases when more than one ground point exist on the same wire harness.
[L]: Page No.
[M]: Indicates the ignition key position(s) when the power is supplied to the fuse(s).
[N]: Indicates a wiring Splice Point.
Example:
5
CAMRY (EM0250U)
B HOW TO USE THIS MANUAL
[O]System Outline
Current is applied at all times through the STOP fuse to TERMINAL 2 of the stop lamp SW.
When the ignition SW is turned on, current flows from the GAUGE fuse to TERMINAL 8 of the light failure sensor, and also flows through the rear lights warning light to TERMINAL 4 of the light failure sensor.
Stop Light Disconnection Warning
When the ignition SW is turned on and the brake pedal is pressed (Stop lamp SW on), if the stop light circuit is open, the current flowing from TERMINAL 7 of the light failure sensor to TERMINALS 1, 2 changes, so the light failure sensor detects the disconnection and the warning circuit of the light failure sensor is activated.
As a result, the current flows from TERMINAL 4 of the light failure sensor to TERMINAL 11 to GROUND and turns the rear lights warning light on. By pressing the brake pedal, the current flowing to TERMINAL 8 of the light failure sensor keeps the warning circuit on and holds the warning light on until the ignition SW is turned off.
[P] : Parts Location
Code |
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See Page |
Code |
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See Page |
Code |
See Page |
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H4 |
36 |
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H7 |
36 |
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H17 |
38 |
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H6 |
36 |
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H9 |
38 |
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J7 |
38 |
[Q] |
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: Relay Blocks |
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Code |
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See Page |
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Relay Blocks (Relay Block Location) |
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1 |
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18 |
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R/B No.1 (Instrument Panel Brace LH) |
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[R] |
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: Junction Block and Wire Harness Connector |
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Code |
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See Page |
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Junction Block and Wire Harness (Connector Location) |
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3C |
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22 |
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Instrument Panel Wire and J/B No.3 (Instrument Panel Brace LH) |
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IB |
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20 |
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Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel) |
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[S] |
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: Connector Joining Wire Harness and Wire Harness |
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Code |
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See Page |
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Joining Wire Harness and Wire Harness (Connector Location) |
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CH1 |
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42 |
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Engine Room Main Wire and Instrument Panel Wire (Left Kick Panel) |
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HJ1 |
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50 |
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Instrument Panel Wire and Floor Wire (Right Kick Panel) |
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[T]: Ground Points
Code |
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See Page |
Ground Points Location |
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H1 |
50 |
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Under the Left Center Pillar |
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H2 |
50 |
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Back Panel Center |
6
CAMRY (EM0250U)
B
[O]: Explains the system outline.
[P]: Indicates reference pages showing the parts locations in the system circuit on the vehicle.
Example : Code ”H4” (Light Failure Sensor) is on page 36 of the manual.
*The first character of the code indicates the alphabetical code allocated to the wire harness, and the second character indicates the serial number of the parts connected to the wire harness
Example : H 4
Serial number for the connected parts
Code for the wire harness
[Q] : Indicates the reference page showing the position on the vehicle of Relay Block Connectors in the system circuit.
Example : Connector ”1” is described on page 18 of this manual and is installed on the left side of the instrument panel.
[R] : Indicates the reference page showing the position on the vehicle of J/B and Wire Harness in the system circuit.
Example : Connector ”3C” connects the Instrument Panel Wire and J/B No.3. It is described on page 22 of this manual, and is installed on the instrument panel left side.
[S]: Indicates the reference page describing the wiring harness and wiring harness connector (the female wiring harness is shown first, followed by the male wiring harness).
Example : Connector ”CH1” connects the Engine Room Main Wire (female) and Instrument Panel Wire (male). It is described on page 42 of this manual, and is installed on the left side kick panel.
[T] : Indicates the reference page showing the position of the ground points on the vehicle.
Example : Ground point ”H2” is described on page 50 of this manual and is installed on the back panel center.
7
CAMRY (EM0250U)
B HOW TO USE THIS MANUAL
The ground points circuit diagram shows the connections from all major parts to the respective ground points. When troubleshooting a faulty ground point, checking the system circuits which use a common ground may help you identify the problem ground quickly. The relationship between ground points ( A1 , A2 and D4 shown below) can also be checked this way.
I GROUND POINT
H23 |
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BR |
12 |
BR |
9 |
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DLC3 |
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(SG) |
HB4 |
DB1 |
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A20 |
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(Shielded) |
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W – B |
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8 |
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Headlamp Leveling |
(LH E) |
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Motor (LH) |
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L5 |
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W – B |
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3 |
W – B 7 |
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Power Window |
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(E) |
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LA1 |
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Master SW |
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A22 |
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W – B |
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A25 |
Junction |
Cooling Fan |
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(E) |
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4 |
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Motor No.3 |
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3 |
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W – B |
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A8 |
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W – B |
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Headlamp Leveling |
(RH E) |
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Motor (RH) |
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A5 |
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W – B |
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– B |
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Pressure SW |
(–S) |
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W |
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A23 |
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W – B |
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Turn Signal Lamp |
(E) |
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(Front LH) |
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A11 |
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W – B |
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–B |
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Windshield |
(E) |
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Wiper Motor |
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W |
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I9 |
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W – B |
12 |
W – B |
7 |
W – B |
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Headlamp |
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(E) |
IH2 |
HA1 |
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Leveling SW |
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A6 |
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W – B |
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W – B |
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Clearance Lamp |
(E) |
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(Front RH) |
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A21 |
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W – B |
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– B |
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Clearance Lamp |
(E) |
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W |
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(Front LH) |
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A1 |
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(GND2) |
W – B |
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A24 |
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Option Connector |
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(Vacuum) |
(GND1) |
W – B |
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B |
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W – |
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W – B |
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21 |
W – B |
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(GND) |
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AB1 |
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B19 |
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Skid Control ECU |
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12 |
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with Actuator |
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W – B |
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W – B |
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(GND) |
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AB1 |
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W – B |
W – B |
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A2 |
D43
Junction
Connector
BR |
10 |
6 |
(Shielded) |
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5 |
BR |
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D63 |
(Shielded) |
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(L) |
Throttle |
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D60 |
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Position SW |
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4 |
3 |
BR |
(E1) |
Injection |
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Pump Assembly |
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2 |
11 |
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BR |
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(E1) |
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1 |
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BR |
D2 |
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Engine ECU |
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Connector |
BR |
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(E01) |
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(E02) |
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BR |
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D4 |
(5L–E) |
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W – B |
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C2 |
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(E) |
Fog Lamp |
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(Front LH) |
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W – B |
5 |
W – B |
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W – B |
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C4 |
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Fog Lamp |
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CA1 |
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(E) |
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(Front RH) |
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W – B |
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A10 |
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(E) |
Brake Fluid Level |
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Warning SW |
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W – B |
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A1 |
(E) |
Turn Signal Lamp |
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(Front RH) |
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W – B |
3 |
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W – B |
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K5 |
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Power Window |
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KA1 |
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(E) |
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Master SW |
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W – B |
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20 W – B |
(Shielded) |
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19 W – B |
(Shielded) |
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Junction Connector |
18 W – B |
(Shielded) |
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B36 |
17 W – B |
(Shielded) |
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16 |
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W – B |
6 |
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W – B |
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AB1 |
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W – B |
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*The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.
8
CAMRY (EM0250U)
B
The ”Current Flow Chart” section, describes which parts each power source (fuses, fusible links, and circuit breakers) transmits current to. In the Power Source circuit diagram, the conditions when battery power is supplied to each system are explained. Since all System Circuit diagrams start from the power source, the power source system must be fully understood.
J POWER SOURCE (Current Flow Chart)
The chart below shows the route by which current flows from the battery to each electrical source (Fusible Link, Circuit Breaker, Fues, etc.) and other parts
Battery |
30A AM2 |
2 |
Fusible Link Block |
6 |
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Starter |
S 2 |
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100A ALT |
6 |
Short Pin |
2 |
15A EFI |
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10A HAZARD |
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2 |
20A RADIO NO.1 |
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10A HORN |
|
60A ABS |
5 |
10A ECU–B
2
7.5A DOME
Engine Room R/B (See Page 20)
|
Fuse |
System |
Page |
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ABS |
194 |
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ABS and Traction Control |
187 |
20A |
STOP |
Cruise Control |
180 |
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Electronically Controlled Transmission |
166 |
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Multiplex Communication System |
210 |
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Cigarette Lighter |
214 |
|
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Combination Meter |
230 |
10A |
DOME |
Headlight |
112 |
Interior Light |
122 |
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Key Reminder and Seat Belt Warning |
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Light Auto Turn Off System |
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Theft Deterrent and Door Lock Control |
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Power Source
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1 |
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1.25B |
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B |
W |
FL MAIN |
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BA1 |
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Battery |
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50A MAIN |
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7.5A DOME |
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B |
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1 |
2 |
W |
7 |
W |
W |
1 |
2 |
R |
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2 |
AH1 |
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7.5A AM1 |
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B |
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1 |
2 |
W – R |
6 |
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2 |
AH1 |
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– R |
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15A HAZ–RADIO |
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8 |
4 |
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AM1 |
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AM2 |
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H8 |
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Ignition SW |
ACC |
IG1 |
ST1 |
IG2 |
ST2 |
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2 |
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20A DEFOG |
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B – Y |
1 |
2 |
W – R |
1 |
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1 |
The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.
9
CAMRY (EM0250U)
B HOW TO USE THIS MANUAL
K CONNECTOR LIST
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A1 |
[A] |
A2 |
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A3 |
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[C] |
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Black |
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Gray |
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1 |
2 |
3 |
4 |
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3 |
4 |
5 |
6 |
7 |
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4 |
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6 |
7 |
8 |
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[B] |
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[D] |
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B1 |
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B2 |
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Black |
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Gray |
1 |
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2 |
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5 |
6 |
1 |
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4 |
5 |
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6 |
7 |
8 |
9 10111213 |
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K CONNECTOR LIST |
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BA1 Black |
[E] |
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BD2 Gray [F] |
1 |
2 |
3 |
4 |
5 |
6 7 8 9 10 11 12 13
5 |
4 |
3 |
2 |
1 |
13 12 11 10 9 |
8 |
7 |
6 |
1 |
2 |
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3 |
4 |
4 |
3 |
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2 |
1 |
5 |
6 |
7 |
8 |
9 10 11 |
11 10 9 |
8 7 |
6 |
5 |
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[A]: Indicates connector to be connected to a part. (The numeral indicates the pin No.)
[B]: Junction Connector
Indicates a connector which is connected to a short terminal.
Junction Connector
Junction connector in this manual include a short terminal which is connected to a number of wire harnesses. Always perform inspection with the short terminal installed.
Short Terminal
[C] : Parts Code
The first letter of the code is taken from the first letter of part, and the numbers indicates its order in parts which start with the same letter.
[D] : Connector Color
Connectors not indicated are milky white in color.
[E]: Indicates the connector shapes which are used to join wire harnesses. On Left : Female connector shapes
On Right : Male connector shapes Numbers indicate pin numbers.
[F]: Indicates connector colors. (Connectors with not indicated colors are white)
10
CAMRY (EM0250U)
B
L PART NUMBER OF CONNECTORS
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Code |
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Part Name |
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Part Number |
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A1 |
Turn Signal Lamp (Front RH) |
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90980–11019 |
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A2 |
Inlet Air Temp. Sensor |
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90980–11163 |
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A3 |
Air Flow Meter |
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90980–12292 |
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A4 |
A/C Pressure Sensor |
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90980–10845 |
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A5 |
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Pressure SW |
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90980–10943 |
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A6 |
Clearance |
Lamp (Front RH) |
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90980–11156 |
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7 |
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Headlamp (RH) |
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90980–11314 |
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[A] |
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[B] |
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[C] |
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A8 |
Headlamp Leveling Motor (RH) |
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90980–11016 |
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A9 |
Brake Vacuum Warning SW |
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90980–11252 |
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A10 |
Brake Fluid Level Warning SW |
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90980–11207 |
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A11 |
Windshield Washer Motor |
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90980–11599 |
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A12 |
Airbag Sensor (Front RH) |
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90980–11856 |
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A13 |
Airbag Squib |
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90980–12490 |
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Code |
Part Name |
Part Number |
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B22 |
Door Courtesy SW (Front LH) |
90980–12470 |
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B23 |
Front Seat Outer Belt (LH) |
90980–12253 |
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B24 |
Blower SW (Rear Heater) |
90980–10463 |
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B25 |
Front Seat Outer Belt (RH) |
90980–12253 |
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B26 |
Door Courtesy SW (Front RH) |
90980–12470 |
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B27 |
Cooling Fan ECU No.1 |
90980–10841 |
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B28 |
Cooling Fan ECU No.2 |
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B29 |
Water Temp. Sensor (Radiator) |
90980–10735 |
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B30 |
Fuel Filter Warning SW |
90980–11003 |
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B32 |
Door Control Relay (LH) |
90980–10789 |
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B33 |
Step Lamp (LH) |
90980–10121 |
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B34 |
Junction Connector |
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B35 |
Junction Connector |
90980–11398 |
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[A]: Part Code
[B]: Part Name
[C]: Part Number
Toyota Part Number are indicated.
Not all of the above part numbers of the connector are established for the supply.
11
CAMRY (EM0250U)
C TROUBLESHOOTING
To Ignition SW
IG Terminal
Fuse
[A]
SW 1 |
Voltmeter |
[B]
Relay
[C]
SW 2 |
Solenoid |
VOLTAGE CHECK
(a)Establish conditions in which voltage is present at the check point.
Example:
[A]– Ignition SW on
[B]– Ignition SW and SW 1 on
[C]– Ignition SW, SW 1 and Relay on (SW 2 off)
(b)Using a voltmeter, connect the negative lead to a good ground point or negative battery terminal, and the positive lead to the connector or component terminal.
This check can be done with a test light instead of a voltmeter.
Ohmmeter
SW
Ohmmeter
Diode
Digital Type |
Analog Type |
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CONTINUITY AND RESISTANCE CHECK
(a)Disconnect the battery terminal or wire so there is no voltage between the check points.
(b)Contact the two leads of an ohmmeter to each of the check points.
If the circuit has diodes, reverse the two leads and check again.
When contacting the negative lead to the diode positive side and the positive lead to the negative side, there should be continuity.
When contacting the two leads in reverse, there should be no continuity.
(c)Use a volt/ohmmeter with high impedance (10 kΩ/V minimum) for troubleshooting of the electrical circuit.
12
CAMRY (EM0250U)
C
To Ignition SW
IG Terminal
Test Light |
Fuse Case |
|
Short [A] |
|
SW 1 |
|
Short [B] |
Disconnect |
Disconnect |
|
|
Light |
Relay |
|
Short [C] |
|
Disconnect |
SW 2 |
Solenoid |
FINDING A SHORT CIRCUIT
(a)Remove the blown fuse and disconnect all loads of the fuse.
(b)Connect a test light in place of the fuse.
(c)Establish conditions in which the test light comes on. Example:
[A]– Ignition SW on
[B]– Ignition SW and SW 1 on
[C]– Ignition SW, SW 1 and Relay on (Connect the Relay) and SW 2 off (or Disconnect SW 2)
(d)Disconnect and reconnect the connectors while watching the test light.
The short lies between the connector where the test light stays lit and the connector where the light goes out.
(e)Find the exact location of the short by lightly shaking the problem wire along the body.
CAUTION:
(a)Do not open the cover or the case of the ECU unless absolutely necessary. (If the IC terminals are touched, the IC may be destroyed by static electricity.)
(b)When replacing the internal mechanism (ECU part) of the digital meter, be careful that no part of your body or clothing comes in contact with the terminals of leads from the IC, etc. of the replacement part (spare part).
DISCONNECTION OF MALE AND FEMALE
CONNECTORS
To pull apart the connectors, pull on the connector itself, not the wire harness.
HINT : Check to see what kind of connector you are disconnecting before pulling apart.
Pull Up |
Pull Up |
Press Down |
Press Down |
13
CAMRY (EM0250U)
C TROUBLESHOOTING
Reference: |
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|
10 |
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3 |
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1 |
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0.2 |
|
1 |
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(mm) |
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Example: |
Up |
Tool |
(Case 1) |
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Terminal Retainer
Terminal Retainer |
|
[Retainer at Full Lock Position] |
|
Stopper |
Terminal |
Retainer |
|
[Retainer at Temporary Lock Position] |
|
Example: |
Secondary |
(Case 2) |
Locking Device |
HOW TO REPLACE TERMINAL
(with terminal retainer or secondary locking device)
1. PREPARE THE SPECIAL TOOL
HINT : To remove the terminal from the connector, please construct and use the special tool or like object shown on the left.
2.DISCONNECT CONNECTOR
3.DISENGAGE THE SECONDARY LOCKING DEVICE OR TERMINAL RETAINER.
(a)Locking device must be disengaged before the terminal locking clip can be released and the terminal removed from the connector.
(b)Use a special tool or the terminal pick to unlock the secondary locking device or terminal retainer.
NOTICE:
Do not remove the terminal retainer from connector body.
[A]For Non–Waterproof Type Connector
HINT : The needle insertion position varies according to the connector’s shape (number of terminals etc.), so check the position before inserting it.
”Case 1”
Raise the terminal retainer up to the temporary lock position.
”Case 2”
Open the secondary locking device.
14
CAMRY (EM0250U)
C
|
Tool |
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Tab |
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Tab |
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Example: |
Terminal |
|
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(Case 1) |
Tool |
||
Retainer |
|||
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Tool |
Access Hole |
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[Male] |
( |
Mark) |
[Female] |
|
Retainer |
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at Full Lock Position |
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Retainer |
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at Temporary Lock Position |
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||
[Male] |
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[Female] |
Example: |
Terminal Retainer |
|
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(Case 2) |
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Tool |
Tool |
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Press Down |
Press Down |
|
[Male] |
[Female] |
||
|
[B]For Waterproof Type Connector
HINT : Terminal retainer color is different according to connector body.
Example:
Terminal Retainer : Connector Body
Black or White |
: Gray |
Black or White |
: Dark Gray |
Gray or White |
: Black |
”Case 1”
Type where terminal retainer is pulled up to the temporary lock position (Pull Type).
Insert the special tool into the terminal retainer access hole (YMark) and pull the terminal retainer up to the temporary lock position.
HINT : The needle insertion position varies according to the connector’s shape (Number of terminals etc.), so check the position before inserting it.
”Case 2”
Type which cannot be pulled as far as Power Lock insert the tool straight into the access hole of terminal retainer as shown.
15
CAMRY (EM0250U)
C TROUBLESHOOTING
Retainer at |
|
Full Lock Position |
|
Retainer at |
|
Temporary Lock Position |
|
[Male] |
[Female] |
Locking Lug |
Tool |
Push the terminal retainer down to the temporary lock position.
(c)Release the locking lug from terminal and pull the terminal out from rear.
4. INSTALL TERMINAL TO CONNECTOR
(a) Insert the terminal.
HINT:
1.Make sure the terminal is positioned correctly.
2.Insert the terminal until the locking lug locks firmly.
3.Insert the terminal with terminal retainer in the temporary lock position.
16 |
(b)Push the secondary locking device or terminal retainer in to the full lock position.
5.CONNECT CONNECTOR
CAMRY (EM0250U)
ABBREVIATIONS D
ABBREVIATIONS
The following abbreviations are used in this manual.
A/C |
= |
Air Conditioning |
A/T |
= |
Automatic Transaxle |
ABS |
= |
Anti–Lock Brake System |
ACIS |
= Acoustic Control Induction System |
|
ACM |
= Active Control Engine Mount |
|
CAN |
= |
Controller Area Network |
EC |
= |
Electrochromic |
ECU |
= |
Electronic Control Unit |
ESA |
= |
Electronic Spark Advance |
ETCS–i |
= Electronic Throttle Control System–intelligent |
|
FL |
= |
Fusible Link |
IC |
= |
Integrated Circuit |
J/B |
= |
Junction Block |
LCD |
= |
Liquid Crystal Display |
LH |
= |
Left–Hand |
M/T |
= |
Manual Transaxle |
R/B |
= |
Relay Block |
RH |
= |
Right–Hand |
SFI |
= Sequential Multiport Fuel Injection |
|
SRS |
= |
Supplemental Restraint System |
SW |
= |
Switch |
TEMP. |
= |
Temperature |
TRAC |
= |
Traction Control |
VSC |
= |
Vehicle Stability Control |
VSV |
= |
Vacuum Switching Valve |
VVT |
= |
Variable Valve Timing |
VVT–i |
= |
Variable Valve Timing–intelligent |
w/ |
= |
With |
w/o |
= |
Without |
The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being abbreviations.
17
CAMRY (EM0250U)
E GLOSSARY OF TERMS AND SYMBOLS
BATTERY |
|
GROUND |
|
Stores chemical energy and |
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The point at which wiring attaches to |
|
converts it into electrical energy. |
|
the Body, thereby providing a return |
|
Provides DC current for the auto’s |
|
path for an electrical circuit; without a |
|
various electrical circuits. |
|
ground, current cannot flow. |
|
CAPACITOR (Condenser) |
|
HEADLIGHTS |
|
A small holding unit for temporary |
|
||
1. SINGLE |
Current flow causes a headlight |
||
storage of electrical voltage. |
|||
FILAMENT filament to heat up and emit light. A |
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headlight may have either a single |
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(1) filament or a double (2) filament |
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CIGARETTE LIGHTER |
2. DOUBLE |
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An electric resistance heating |
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FILAMENT |
|||
element. |
|||
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||
CIRCUIT BREAKER |
|
HORN |
|
Basically a reusable fuse, a circuit |
|
An electric device which sounds a |
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breaker will heat and open if too |
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loud audible signal. |
|
much current flows through it. |
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|
Some units automatically reset when |
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|
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cool, others must be manually reset. |
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DIODE |
|
IGNITION COIL |
|
A semiconductor which allows |
|
Converts low–voltage DC current |
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current flow in only one direction. |
|
into high–voltage ignition current for |
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|
|
firing the spark plugs. |
|
DIODE, ZENER |
|
LIGHT |
|
A diode which allows current flow in one |
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||
|
Current flow through a filament |
||
direction but blocks reverse flow only up |
|
causes the filament to heat up and |
|
to a specific voltage. Above that potential, |
|
||
|
emit light. |
||
it passes the excess voltage. This acts as |
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||
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|
||
a simple voltage regulator. |
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PHOTODIODE |
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LED (LIGHT EMITTING DIODE) |
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The photodiode is a semiconductor |
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Upon current flow, these diodes emit |
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which controls the current flow |
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light without producing the heat of a |
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according to the amount of light. |
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comparable light. |
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DISTRIBUTOR, IIA |
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METER, ANALOG |
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Channels high–voltage current from |
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Current flow activates a magnetic |
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the ignition coil to the individual |
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coil which causes a needle to move, |
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spark plugs. |
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thereby providing a relative display |
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against a background calibration. |
FUSE |
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METER, DIGITAL |
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Current flow activates one or many |
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A thin metal strip which burns through |
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LED’s, LCD’s, or fluorescent |
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when too much current flows through it, |
FUEL |
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displays, which provide a relative or |
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thereby stopping current flow and |
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protecting a circuit from damage. |
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digital display. |
FUSIBLE LINK |
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(for Medium Current Fuse) |
A heavy–gauge wire placed in high |
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MOTOR |
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amperage circuits which burns through on |
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A power unit which converts |
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overloads, thereby protecting the circuit. |
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M |
electrical energy into mechanical |
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The numbers indicate the crosssection |
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energy, especially rotary motion. |
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(for High Current Fuse or |
surface area of the wires. |
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Fusible Link) |
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18
CAMRY (EM0250U)
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E |
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RELAY |
SPEAKER |
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Basically, an electrically operated |
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An electromechanical device which |
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1. NORMALLYswitch which may be normally |
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creates sound waves from current |
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CLOSED closed (1) or open (2). |
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flow. |
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Current flow through a small coil |
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creates a magnetic field which either |
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opens or closes an attached switch. |
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2. NORMALLY |
SWITCH, MANUAL |
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OPEN |
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Opens and closes |
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1. NORMALLY |
circuits, thereby |
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stopping (1) or |
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OPEN |
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allowing (2) current |
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RELAY, DOUBLE THROW |
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flow. |
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A relay which passes current |
2. NORMALLY |
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through one set of contacts or the |
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CLOSED |
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other. |
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RESISTOR |
SWITCH, DOUBLE THROW |
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An electrical component with a fixed |
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A switch which continuously passes |
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resistance, placed in a circuit to |
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current through one set of contacts |
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reduce voltage to a specific value. |
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or the other. |
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RESISTOR, TAPPED |
SWITCH, IGNITION |
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A resistor which supplies two or |
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A key operated switch with several |
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more different non adjustable |
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positions which allows various |
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resistance values. |
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circuits, particularly the primary |
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ignition circuit, to become |
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operational. |
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RESISTOR, VARIABLE or RHEOSTAT |
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A controllable resistor with a variable |
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rate of resistance. |
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Also called a potentiometer or |
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rheostat. |
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SENSOR (Thermistor) |
SWITCH, WIPER PARK |
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A resistor which varies its resistance |
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Automatically returns wipers to the |
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with temperature. |
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stop position when the wiper switch |
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is turned off. |
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SENSOR, SPEED |
TRANSISTOR |
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Uses magnetic impulses to open |
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A solidstate device typically used as |
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and close a switch to create a signal |
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an electronic relay; stops or passes |
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for activation of other components. |
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current depending on the voltage |
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(Reed Switch Type) |
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applied at ”base”. |
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SHORT PIN |
WIRES |
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Used to provide an unbroken |
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Wires are always drawn as |
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connection within a junction block. |
(1) NOT |
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straight lines on wiring |
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CONNECTED diagrams. |
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Crossed wires (1) without a |
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black dot at the junction are |
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SOLENOID |
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not joined; |
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An electromagnetic coil which forms |
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crossed wires (2) with a |
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black dot or octagonal ( ) |
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a magnetic field when current flows, |
(2) SPLICED |
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mark at the junction are |
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to move a plunger, etc. |
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spliced (joined) |
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connections. |
19
CAMRY (EM0250U)
F RELAY LOCATIONS
[Engine Compartment]
Engine Control |
Engine Control |
Module(2AZ-FE) |
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Module(2GR-FE) |
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Engine Room |
Skid Control ECU |
R/B |
with Actuator |
Engine Room |
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J/B |
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Cooling Fan ECU |
Transmission Control ECU |
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[Instrument Panel] |
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ID Code Box (*1) |
Junction Connector (CAN) |
J/B No.4 |
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Transponder Key ECU (*2) |
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A/C Amplifier |
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J/B No.3 |
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Certification ECU |
Turn Signal Flasher |
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Tire Pressure |
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Warning ECU |
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Airbag Sensor |
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Assembly Center |
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Stereo Component |
Main Body ECU |
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Amplifier |
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Instrument Panel |
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J/B |
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*1:w/ Smart System
*2:w/o Smart System
Steering Lock ECU Transponder Key Amplifier |
Shift Lock Control ECU |
20
CAMRY (EM0250U)
F
[Body]
Sliding Roof Control ECU and Motor |
Door Control Receiver |
Overhead J/B |
Tire Pressure Warning |
Antenna and Receiver |
[Seat]
Occupant
Classification
ECU
21
CAMRY (EM0250U)
F RELAY LOCATIONS
1 : Engine Room R/B
: Engine Room J/B
1G
1
(from Engine Room Main Wire)
Wire Color : W
1F
1
(from Engine Room Main Wire)
Wire Color : B
Unit D
Engine Compartment Left (See Page 20)
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*2 |
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MAIN |
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2 |
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30A |
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EFI |
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1 |
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AMP |
2 |
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H-LP (LH) |
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25A |
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1 |
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15A |
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H- |
LP (RH) |
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15A |
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H-LP (LL) |
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15A |
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H- |
LP (RL) |
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NO.1 |
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10A |
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25A |
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15A |
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2 |
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HORN |
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DOOR |
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*1 |
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1 |
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EFI NO.1 |
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10A |
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MPX- |
B |
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10A |
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A/F |
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20A |
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S |
-HORN |
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7.5A |
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STR LOCK |
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1 |
20A |
2 |
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IG2 |
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1 |
20A |
2 |
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HAZ |
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1 |
15A |
2 |
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EFI NO.2 |
RADIO NO.1 |
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ETCS |
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1 |
15A |
2 |
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2 |
15A |
1 |
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10A |
2 |
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EFI NO.3 |
ECU-B NO.1 |
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1 |
10A |
2 |
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10A |
1 |
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DOME |
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2 |
10A |
1 |
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SHORT |
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2 |
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1 |
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*1:120A ALT (for High Current)
*2:30A ST/AM2 (for High Current)
*3:50A HTR (for High Current)
*4:50A ABS No.1 (for High Current)
*5:50A FAN MAIN (for High Current)
*6:30A ABS No.2 (for High Current)
*7:50A RR DEF (for High Current)
*8:40A CDS FAN (for High Current)
*9:40A RDI FAN (for High Current)
*9
*8
*7
*6
*5
Unit B
*4
*3
Unit A
1C
1
(from Engine Wire)
Wire Color : B
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ALT-S |
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1 7.5A 2 |
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AM2 |
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3 |
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1 7.5A 2 |
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RR DEF Relay |
1 |
4 |
2 |
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5 |
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1 |
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IG2 Relay |
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VSC No.1 Relay |
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5 |
3 |
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2 |
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ST CUT Relay |
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3 |
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3 |
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5 |
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5 |
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1 |
2 |
1 |
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ST Relay |
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2 |
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MGC Relay |
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3 |
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3 |
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3 |
5 |
VSC NO.2 Relay |
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5 |
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5 |
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1 |
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1 |
2 |
1 |
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Unit C |
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Unit E |
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22
CAMRY (EM0250U)
F
Unit E
|
2AZ-FE |
2GR-FE |
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1 |
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FAN NO.1 Relay |
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5 |
3 |
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2 |
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1 |
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FAN NO.3 Relay |
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5 |
3 |
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2 |
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2 |
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FAN NO.2 Relay |
1 |
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3 |
5 |
FAN MAIN Relay |
4 |
5 |
3 |
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2 |
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1 |
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23
CAMRY (EM0250U)
F RELAY LOCATIONS
1 : Engine Room R/B |
Engine Compartment Left (See Page 20) |
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: Engine Room J/B |
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Unit D
View A
View B
View C
24
CAMRY (EM0250U)
F
View A
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Black |
5 4 3 2 1 |
6 5 4 3 2 1 |
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(from Engine Room |
(from Engine Room |
Main Wire) |
Main Wire) |
1A |
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1B |
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5 4 |
3 2 1 |
6 5 4 3 2 1 |
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View B |
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Black
13121110 9 8 7 6
5 4 |
3 2 1 |
13121110 9 8 7 6
5 4 3 2 1
(from Engine Room |
(from Engine Room |
Main Wire) |
Main Wire) |
1D |
1E |
5 4 |
3 |
2 |
1 |
5 4 3 |
2 |
1 |
13121110 9 8 |
7 |
6 |
13121110 9 8 7 |
6 |
View C
25
CAMRY (EM0250U)
F RELAY LOCATIONS
[Engine Room R/B and Engine Room J/B Inner Circuit]
Unit C |
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1 |
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1 |
2 |
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1 |
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15A EFI NO.2 |
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1 |
2 |
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1 |
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10A EFI NO.3 |
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1 |
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1 |
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1 |
2 |
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1 |
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15A RADIO NO.1 |
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1 |
2 |
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1 |
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SHORT |
10A ECU-B NO.1 |
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1 |
2 |
1 |
2 |
1 1G |
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1 |
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10A DOME |
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1 |
2 |
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1 |
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7.5A AM2 |
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1 |
2 |
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1 |
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7.5A ALT-S |
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1 |
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1 |
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1 |
2 |
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1 |
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10A ETCS |
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1 |
2 |
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1 |
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15A HAZ |
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1 |
2 |
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1 |
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20A IG2 |
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1 |
2 |
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1 |
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20A STR LOCK |
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1 |
2 |
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1 |
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30A EFI MAIN |
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1 |
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1 |
2 |
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1 |
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25A AMP |
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1 |
2 |
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1 |
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25A DOOR NO.1 |
(Cont. Next Page)
26
CAMRY (EM0250U)
F
(Cont'd)
|
|
Unit A |
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30A ST/AM2 |
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1 |
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1 |
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1 |
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1 |
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120A |
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ALT |
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1 |
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1 |
1 1C |
1 |
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1 |
1F |
1 |
Unit B
1 50A HTR
1 50A ABS No.1
1 50A FAN MAIN
1 30A ABS No.2
1 50A RR DEF
1
1
1
40A CDS FAN
1
40A RDI FAN
1
(Cont. Next Page)
27
CAMRY (EM0250U)
F RELAY LOCATIONS
[Engine Room R/B and Engine Room J/B Inner Circuit]
(Cont'd)
Unit D
|
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20A A/F |
A/F Relay |
4 |
1A |
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7.5A S-HORN |
S-HORN Relay |
5 |
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1A |
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11 |
1D |
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|
|
|
10A MPX-B |
|
3 |
1A |
|
|
2 |
1A |
10A EFI NO.1 |
|
|
|
||
|
|
15A H-LP (RL) |
H-LP (RL) Relay |
5 |
1B |
|
|
|
|
||
|
|
15A H-LP (LL) |
H-LP (LL) Relay |
4 |
1B |
|
|
|
|
||
3 |
1B |
15A H-LP (RH) |
DRL Relay |
|
|||
2 |
1B |
15A H-LP (LH) |
|
|
|
(Cont. Next Page)
28
CAMRY (EM0250U)
F
|
|
(Cont'd) |
|
|
|
|
|
HORN Relay |
|
|
|
6 |
1B |
10A HORN |
|
|
|
|
|
|
|||
10 |
1D |
|
|
|
|
9 |
1D |
Light Control Circuit |
|
|
|
10 |
1E |
8 |
1D |
||
|
|||||
11 |
1E |
|
|
|
|
|
|
EFI Relay |
|
|
|
|
|
|
12 |
1E |
|
|
|
|
9 |
1E |
|
|
|
C/OPN Relay |
6 |
1E |
|
|
|
|
|
||
13 |
1E |
|
7 |
1E |
|
8 |
1E |
|
12 |
1D |
29
CAMRY (EM0250U)