Toyota COROLLA 2004 Electrical Wiring Diagram - grounding points
I GROUND POINT
(–S)
Pressure SW
(
)
CUT–
Combination
Meter
Front Parking Light
RH
Front Turn S ignal
Light RH
Front Fog Light RH
Headlight RH (High
Front Wiper Mot or
Washer Level Sensor E 1
ABS Actuator
with ECU
(LP)
(
EBD
)
(
GND1
(
GND2
W–R
R
)
W–B
)
W–B
)
W–B
W–B
IA6
16
IA5
W–B
W–B
W–B
W–B
W–B
E 1
5
W–B
W–B
W–B W–B
W–B
E 1
W–BW–BW–BW–BW–BW–BW–BW–B
E 1
E 1
E 1
E 1
E 1
E 1
EA
E 4
E 4
E 4
E 4
W–B W–B W–B W–B W–B
E 4
W–B
ED
W–B
W–B
W–B
W–B
W–B
W–B
W–B
IA4
3
W–B
1
1E 4
FAN NO. 2 Rela y
EFI Relay
Front Par king Li ght
LH
Front Turn Si gnal
Light LH
Front Fog Light
LH
Headlight LH (High
Brake F luid Level
Warning SW
Radiator Fan
Resistor
Daytime Running
Light Relay
)
Engine Control
Module
Heated Oxygen Sensor
(
Bank 1 Sensor 1
Heated Oxygen Sensor
(
Bank 1 Sensor 2
Ignition Coil and
Igniter No. 1
Ignition Coil and
Igniter No. 2
Ignition Coil and
Igniter No. 3
Ignition Coil and
Igniter No. 4
)
)
(
(
(
E02
E01
(E1)
E03
)
)
)
BR
BR
W–B
W–B
W–B
W–B
W–B
BR
BR
W–B
BR
EB
C
A
A
A
A
A
A
A
C
A
A
A
W–B
BR
W–B W–B
8
II2
E 2
W–B
E 2
W–B
W–B
EC
W–B
B
B
A
BII1
B
B
J 4(A), J 5(B
Junction
Connector
BR
BR
)
BR
1
5
II2
C
B
C
B
J 2(A), J 3(B
Junction Connector
BR
BR
C
BR
A
)
Data Link
(SG)
Connector 3
Idle Air Control
Valve
Combination
(ET)
Meter
Vehicle Speed Sensor
(
Combination Meter
)
194
2004 COROLLA (EWD533U)
I
TVIP E CU
Security
Indicator
P–POINT Relay
Buckle SW RH
Occupant
Detection Sens or
Buckle SW LH
Seat Positio n Se nsor
Shift Lock Control
ECU
O/D Main SW
Clock
Air Inlet Cont r ol S W
Hazard SW
Door Key Lock and
Unlock SW Front RH
Door Lock Motor
Front RH
Door Unlock Detectio n
SW Front RH
Door Loc k Control
SW Front RH
Blower Resist or
Engine Control
Module
Blower SW
(EC)
W–B
W–B W–B
33A
W–B
W–B
W–B
W–B
B 3
W–B W–B
I 8
W–B
W–B
1
5
19
3A
12
14
3A
15
3A
16
3A
17
3A
18
3A
20
3A
21
3A
W–BW–B
W–BW–B AA
3A11
W–B
A
A
A
J 7
A
W–B
I 8
W–B
4
IG1
2
IG1
W–B
W–B
W–B
W–B
W–B
W–B W–B
IJ2
IH1
10
II2
W–B
Glass Break age
Sensor ECU
11
4B
12
4B
13
4B
14
4B
15
4B
16
4B
17
4B
18
4B
19
4B
22
4B
4B21
W–B
Junction
Connector
W–B
W–B
(
USA
W–B
W–B
W–B
W–B
W–B
W–B
W–B
W–B
IA5
(T)
)
3
W–B
Combination SW
(
)
Combination SW
ECC
Cruise Cont rol
Actuator
Cruise Cont rol
ECU
(E)
Combination SW
Data Link
(CG)
Connector 3
Turn Signal
Flasher Relay
Combination
(EP)
Meter
Rheostat
Remote Control
Mirror SW
W–B
HTR Relay
Moon Roof Control
Relay and SW
Personal Lig ht
Inner Mirr or
Personal Lig ht
Moon Roof Motor
and Limit SW
Airbag Sensor
Assembly
(
GND
3
(L)
)
(E)
(E)
(E1)
(E2)
W–B
W–B
B
(
*1 *2
W–B
W–B
* 1 : w/ Auto matic Glare –Re sist ant EC Mir ror
* 2 : w/ Moon Roof
* 3 : w/o Moon Roof
W–B
W–B
B 2
W–B
B 1
)
W–BW–B
B 2
B 2
W–B
W–B
(
*1 *3
A
A
A
W–B
IH10
P/W Relay
B
)
IG
1
IE
3
II
10
II
4
W–B
IF
Integration Relay
ST Relay
IG1 Relay
Noise Filter
W–BW–B
W–B
195
2004 COROLLA (EWD533U)
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