Toyota 8FGDU15-32, 8FGCU15, 8FGCU20-32, 18, SU20 Wiring Diagram
WIRING DIAGRAM
8FG(D)U15-32, 8FGCU20-32
CHAPER 1 INTRODUCTION E1
CHAPTER 2
CHAPTER 3 SYSTEM CIRCUITS E3
CHAPTER 4 GROUND POINTS E4
CHAPTER 5 FUSES FOR POWER SUPPLY E5
CHAPTER 6 CONNECTOR LIST E6
CHAPTER 7
CHAPTER 8 SYSTEM CIRCUITS E8
ELECTRICAL WIRING ROUTING AND RELAY LOCATION E2
8FGCU15, 18, SU20
ELECTRICAL WIRING ROUTING AND RELAY LOCATION E7
CHAPTER 9 GROUND POINTS E9
CHAPTER 10 FUSES FOR POWER SUPPLY E10
CHAPTER 11 CONNECTOR LIST E11
E1-1
INTRODUCTION
CHAPTER 1 INTRODUCTION E1
CHAPTERS OF THIS SECTION
.......................................................................... E1-2
HOW TO READ CHAPTERS
Chapter 2 ELECTRICAL WIRING ROUTINGS and RELAY LOCATIONS
ELECTRICAL WIRING ROUTINGS .......................................................... E1-3
RELAY LOCATIONS
JUNCTION BLOCK (J/B) / RELAY BLOCK (R/B) ................................... E1-4
Chapter 3 SYSTEM CIRCUITS
POWER SUPPLY CIRCUIT ...................................................................... E1-6
REFERENCE PAGE
................................................................................. E1-10
Chapter 4 GROUND POINTS
GROUND POINTS ................................................................................... E1-11
Chapter 5 FUSES FOR POWER SUPPLY
FUSES FOR POWER SUPPLY ................................................................ E1-11
Chapter 6 CONNECTOR LIST
CONNECTOR LIST .................................................................................. E1-12
WIRE TO WIRE....................................................................................... E1-13
ABBREVIATIONS ............................................................................. E1-14
GLOSSARY OF TERMS AND SYMBOLS ........................................ E1-15
E
E1-2
INTRODUCTION
CHAPTERS OF THIS SECTION
This section consists of the following 6 chapters:
Gives brief explanation of each chapter, provides instructions on how
to use this manual, and denes the abbreviations used in the electrical
circuit diagrams.
Electrical wiring routings show installation positions, ground points,
connector numbers, and part names rela t e d t o w i r e h a r n e s s es,
connectors, relay blocks and junction blocks used in the forklift, such as
in the engine room, instrument panel and mast area.
Relay locations show design drawings and internal circuit diagrams
related to relays, relay blocks (R/B), junction blocks (J/B), fusible links
(F/L) and junction connectors (J/C).
Show power supply circuit diagrams and wiring diagrams for each
system, such as the engine.
(Only wiring information for complete circuits is shown.)
Show related systems for each ground point.
Show power distribution from each power supply (fuse or fusible link) to
various systems.
Shows shapes and part numbers of connectors used in electrical wiring
routings and electrical wiring diagrams.
Chapter 1 INTRODUCTION
Chapter 2 ELECTRICAL WIRING
ROUTINGS and
RELAY LOCATIONS
Chapter 3 SYSTEM CIRCUITS
Chapter 4 GROUND POINTS
Chapter 5 FUSES FOR POWER
SUPPLY
Chapter 6 CONNECTOR LIST
E1-3
INTRODUCTION
HOW TO READ CHAPTERS
Chapter 2 ELECTRICAL WIRING ROUTINGS and RELAY LOCATIONS
ELECTRICAL WIRING ROUTINGS
Electrical wiring routings show installation positions, ground points, connector numbers, and part names related
to wire harnesses, connectors, relay blocks and junction blocks used in the forklift.
(Connector codes are the same as those used in the electrical wiring diagrams.)
[A] Title
Indicates a location on the forklift.
[B] Wire harness
Indicates a wire harness name.
[C] Reference page for electrical wiring routing
Ind i c ate s a r e fer e n ce p a ge s how i n g a wir e
harness location when the wire harness continues
to the different electrical wiring routing.
[D] Junction block
Indicates a junction block name and a connector
code to be connected.
[E] Junction block connector
Indi c a tes a co n n ecto r cod e con n e cted to a
junction block.
[F] Wire harness and junction block connection
Indic a t es a j u nctio n block n ame a n d a wi r e
harness name to be connected.
[G] Ground point code
Indicates a ground point code.
[H] Ground point name
Indicates a ground point name.
[I] Harness to harness connector
Indicates a connector code that joins two wire
harnesses.
[J] Wire harness names
Indicat e t w o wire h a r ness na m e s for a w i r e
harness and wire harness connection.
[K] Part connector
Indicates a connector code connected to a part.
[L] Part name
Indicates a part name connected to a connector.
E2-11
A25
DIAGNOSIS
FRONT PLATE LEFT OUTSIDE EARTH
FRONT PLATE LEFT OUTSIDE EARTH
AA
AB
FRONT PLATE LEFT OUTSIDE EARTH
AC
TRANSMISSION UPPER
AD
FUSIBLE LINK BLOCK ASSY
A24
A27
JUNCTION CONNECTOR
A29
CAN JOINT CONNECTOR
A30
CAN JOINT CONNECTOR
A31
CAN JOINT CONNECTOR
A32
CAN JOINT CONNECTOR
A33
CAN JOINT CONNECTOR
A34
CAN JOINT CONNECTOR
A37
LPG WARNING RELAY
A38
LPG WARNING BUZZER
A40
BACK UP LAMP SWITCH
BODY MAIN WIRE to BODY MAIN WIRE
AA1
AC1
BODY MAIN WIRE to SIDE RH WIRE
AC2
AC3
BODY MAIN WIRE to ENGINE WIRE
AG1
AG3
AO1
BODY MAIN WIRE to LH SIDE WIRE
AO2
AO3
T/C HEA
T GAUGE WIRE to BODY MAIN WIRE
DA1
A42
A45
A46
A47
A48
A54
TILT ANGLE SENSOR
MATCHING CONNECTOR
MATCHING CONNECTOR
SHIFT SOLENOID(2)
SHIFT SOLENOID(2)
SHIFT SOLENOID(1)
A55
A57
A65
A66
D1
SHIFT SOLENOID(1)
TO PUSH PULL RELAY
JUNCTION CONNECTOR (A
)
JUNCTION CONNECTOR (B
)
T/C OIL TEMPERATURE SENSOR
G27
G28
ENGINE ECU
ENGINE ECU
G29
JUNCTION CONNECTOR (B)
G73
JUNCTION CONNECTOR (A)
1A
1B
BODY MAIN WIRE to J/B
1C
1D
ENGINE WIRE to J/B
1E
LH SIDE WIRE to J/B
E2-10
ELECTRICAL WIRING ROUTINGS ELECTRICAL WIRING ROUTINGS
D1
A55
A32
A29
A30
A31
A33
A34
G28
G27
A27
A66
G73
A55
G29
1A
1B
1C
1D
1E
A65
A54
A42
A47
A25
A40
A46
A38
A37
A57
A24
A45
A48
AA
AD
AB
AC
SIDE RH
WIRE
C
ENGINE WIRE
G
LH SIDE WIRE
ENGINE ROOM RELAY BLOCK
O
BODY MAIN WIRE
A
TC HEAT GAUGE WIRE
D
to E2-16
to E2-4
to E2-14
to E2-2
to E2-8
1
DA1
DA1
AO3
AG1
AC2
AG3
AA1
AC3
AC1
AO2
AO1
J/B
FRONT BODY
E
E1-4
INTRODUCTION
RELAY LOCATIONS
Relay locations show connectors connected to junction blocks, relays, fuses and internal circuit diagrams.
JUNCTION BLOCK:LEFT STEP(INNER CIRCUIT SEE PAGE E2-24)
RELAY LOCATIONS
E2-20
JUNCTION BLOCK (INNER CIRCUIT) (1/3)
1
ENGINE ROOM R/B:ENGINE ROOM LEFT
E2-21
E2-24
4
3
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
4
3
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
21
20
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
21
20
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
4
3
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
4
3
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
21
20
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
21
20
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
4
3
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
21
20
18
4
3
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
21
20
19
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
2
5
3
T/C FR RELAY
90980-12506
T/C RR RELAY
WORK LP RELAY BCON LP RELA
Y
HORN RELAY
FLASHER RELAY
1
4
3
1
2
5
6
7
8
9
10
11
12
4
3
1
2
5
6
7
8
9
10
11
12
16
15
13
14
17
18
19
20
21
22
23
24
16
15
13
14
17
18
19
20
21
22
23
24
4
3
1
2
5
6
7
8
9
10
11
12
16
15
13
14
4
3
1
2
5
6
7
8
9
10
11
12
16
15
13
14
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
3
2
1
4
4 2
5
3
1
5
213251
3
35
2
1
1A
90980-12311
1E
90980-12383
BLACK
1B
90980-12320
1C
90980-12308
1D
BCON LP RELAY
5 3
1 2
543
1 2
3
1 2
4
3
3
112
2
WORK LP RELAY
T/C FR RELAY
T/C RR RELAY
FLASHER RELAY
13
1C
31
1A
33
1B
15
1E
15
1B
23
1E
25
1E
13
1A
15
1C
9
1E
19
1B
36
1B
19
1E
8
1B
3
1B
17
1B
22
1E
18
1E
34
1B
18
1D
11
1C
28
1C
26
1B
22
1B
24
1A
25
1B
23
1B
3
1C
4
1C
21
1A
2
1C
1
1D
14
1D
15
1D
32
1A
16
1E
16
1B
28
1B
24
1E
13
1E
31
1B
29
1B
10
1E
4
1A
5
1A
7
1A
13
1D
2
1E
3
1A
2
1A
1
1B
19
1A
11
1E
35
1B
7
1D
8
1D
21
1E
33
1C
29
1C
12
1A
30
1C
35
2
1
*3
40A AM
1
40A AM2
SPARE
* 1:15A E-THRO (4Y-E)
7.5A ECU-B2 (1DZ, 2Z)
* 2:7.5A (1DZ, 2Z)
15A (4Y-E)
* 3:DPF RELA
Y (1DZ, 2Z)
15A (4Y-E)
* 3:DPF RELA
Y (1DZ, 2Z)
EFI MAIN RELA
Y (4Y-E)
* 4:C/OPN RELA
Y (4Y-E)
ASC RELAY (1DZ, 2Z)
* 5:EFI (4Y-E)
DPF (1DZ, 2Z)
SPARE
SPARE
SPARE
*5
*1
HOUR ME
T
BL
R
ST
A
RR WI
P
FR WI
P
HORN
ALT-
S
STOP
ACC-
B
TAIL
ECU-
B
HTR
WORK LP
HEAD
CDS
ST
GAUGE
BACK L
P
SFT
TURN
IG
N
ECU-IG
*4
DOUBLE HORN RELAY
LPG MAIN RELAY
AM2 RELA
Y
ST RELA
Y
1
3 5
2
2
53
1
1
2
5 3
35
2
1
1
3 5
2
12
12
12
12
1
2
2
12
12
30A 25A
30A
20A
20A
7.5A
7.5A
7.5
A
10A
10A
7.5
A
7.5
A
*2
15A
10A
15
A
15
A
15
A
7.5A
7.5A
7.5A
7.5A
7.5A
15
A
15
A
15
A
10A
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
E1-5
INTRODUCTION
[A] Junction block /relay block
Indicates a junction block or relay block name, its location and a reference page for an internal circuit
diagram.
[B] Connector code and color
Indicates the code and color of a connector connected to a junction block.
[C] Connector part number
Indicates the part number of a connector.
[D] Connector shape and terminal number
Indicates a connector shape on the junction block side.
Numbers indicate terminal numbers.
[E] Connector shape and terminal number
Indicates a connector shape on the wire harness side.
Numbers indicate terminal numbers.
[F] Fuse
Indicates a fuse name and capacity.
Terminal 1 is on the primary side and terminal 2 is on the secondary side.
[G] Internal circuit diagram
Indicates an internal circuit diagram of a junction block.
[H] Connector code and terminal number
Indicates a connector code and a terminal number connected to a junction block.
E1-6
INTRODUCTION
Chapter 3 SYSTEM CIRCUITS (1)
SYSTEM CIRCUITS
A system circuit consists of a power source circuit diagram and respective system circuit diagrams. A power
source circuit diagram shows the connections from the power source to fuses. A system diagram shows the
connections from fuses to ground points of each system.
2
1
GK1
8
GK1
2
GG
TC22TC21
Y
Y
Y
YL-B
W-
BW-B
R-
B
R-
WR-W
R-
BR-B
R-W
R-
L
R-
B
R-
L
R-
L
R-
L
R-
L
R-
L
R-
L
R-
L
R-L R-L
B-
Y
LG
LG-R
O
R-
W
R-L
R-L
LPG CHANGE SWITCH
T 6
JUNCTION CONNECTOR
A 66
A 65(A),G 73(B)
JUNCTION CONNECTOR (A)
* 2: LP
G
* 1: GASOLINE
* 3: WITH GASOLINE INDICATOR LAMP
R-B
R-B
L-B
R-
L
W-
B
R-
W
R-B
R-
B
(GASOLINE)
*2
*1
*2
*2
*1
*2*2
(GASOLINE)
*2
*1
*1
*1
AC29
R-L
2 A 7 A
6 B 5 B 1 A 8 A
12 B 10 B
R-W
(LPG)
R-W
2 B 1 B
GK2
7
7 GK1 *2
*4
Y
*1
A6
GK2
6
GK16 *
2
*4
L-B
*1
Y-
B
*4
* 4: CNG
1 B
*4
1 A
*2
2 A*22 B
*4
LPG SOLENOID
(MAIN)
OIL PRESSURE SWITCH (*2)
OIL PRESSURE SWITCH (*1)
K 5(B
)
K 1(A
)
R-L
*1
*3
R-
L
GAS LPG
IG
6 3
9 8
7
3 5
421 6
4
AC34 AC33
R-W
*1
*1
*2
*1
*1
R-B
A 65(A),G 73(B)
JUNCTION CONNECTOR (A)
R-B
*3
*1
abc
def
g
hij
k
lmn
4 1D
12 1D
1
15A
EFI
(BAT)
2
B-
Y
ENGINE CONTROL (4Y-E)
E3-12
E1-7
INTRODUCTION
[A] Section page
Indicates the page number for the section.
[B] System title
Indicates a system name.
[C] Part name and connector code
Indicates a part name and connector code to be
connected.For connector shapes, refer to chapter
6 CONNECTOR LIST.
[D] Fuse
Indicates a fuse name and capacity.
Terminal 1 is on the primary side and terminal 2 is
on the secondary side.
For fuse installation positions, refer to chapter 2
ELECTRICAL WIRING ROUTINGS and RELAY
LOCATIONS.
[E] Power supply information
Indicates the ignition key position when power is
supplied to a fuse.
[F] Specication information
Ind icates that c onnecto rs or wire co lors va ry
depending on forklift models, en gine types or
specications.
[G] Page-to-page connection code
Indicate s a w i r e h a rness continues onto the
following page from the matching code.
[H] Harness to harness connector
Indicates a connector code that connects two wire
harnesses.
For the conne c t o r s h ape, refer to c h a p t e r 6
CONNECTOR LIST.
Harness to harness connector
Terminal number
Wire harness to be connected
Example: "AK" means a connection of the
female connector*1 of the "A" wire and the
male connector*2 of the "K" wire.
*1: A female connector has a female
terminal.
*2: A male connector has a male
terminal.
Serial number of a connector
Male terminal side
8
A K 1
C7 Part connector
The wire harness in which the connector is
located.
Example: "C" indicates a connector used in
the C wire harness.
For wire harness names, refer to Chapter 2
ELECTRICAL WIRING ROUTINGS and
RELAY LOCATIONS.
Serial number allocated to the connector
D11 (A), D42 (D)
Connector number
Used to indicate different connectors when
multiple connectors are connected to a part,
or multiple types of connectors are used
according to specifications.
E1-8
INTRODUCTION
Chapter 3 SYSTEM CIRCUITS (2)
2
1
GK1
8
GK1
2
GG
TC22TC21
Y
Y
Y
YL-B
W-
BW-B
R-
B
R-
WR-W
R-
BR-B
R-W
R-
L
R-
B
R-
L
R-
L
R-
L
R-
L
R-
L
R-
L
R-
L
R-L R-L
B-
Y
LG
LG-R
O
R-
W
R-L
R-L
LPG CHANGE SWITCH
T 6
JUNCTION CONNECTOR
A 66
A 65(A),G 73(B)
JUNCTION CONNECTOR (A)
* 2: LP
G
* 1: GASOLINE
* 3: WITH GASOLINE INDICATOR LAMP
R-B
R-B
L-B
R-
L
W-
B
R-
W
R-B
R-
B
(GASOLINE)
*2
*1
*2
*2
*1
*2*2
(GASOLINE)
*2
*1
*1
*1
AC29
R-L
2 A 7 A
6 B 5 B 1 A 8 A
12 B 10 B
R-W
(LPG)
R-W
2 B 1 B
GK2
7
7 GK1 *2
*4
Y
*1
A6
GK2
6
GK16 *
2
*4
L-B
*1
Y-
B
*4
* 4: CNG
1 B
*4
1 A
*2
2 A*22 B
*4
LPG SOLENOID
(MAIN)
OIL PRESSURE SWITCH (*2)
OIL PRESSURE SWITCH (*1)
K 5(B
)
K 1(A
)
R-L
*1
*3
R-
L
GAS LPG
IG
6 3
9 8
7
3 5
421 6
4
AC34 AC33
R-W
*1
*1
*2
*1
*1
R-B
A 65(A),G 73(B)
JUNCTION CONNECTOR (A)
R-B
*3
*1
abc
def
g
hij
k
lmn
4 1D
12 1D
1
15A
EFI
(BAT)
2
B-
Y
ENGINE CONTROL (4Y-E)
E3-12
E1-9
INTRODUCTION
[I] Terminal number
Indicates a terminal number of a connector to be
connected.
[J] Junction block connector
Indi c a tes a co n n ecto r cod e con n e cted to a
junction block.
Fo r a c o n n e c to r s ha pe , r ef e r t o c h a p te r 2
ELECTRICAL WIRING ROUTINGS and RELAY
LOCATIONS.
[K] Ground point code
Indicates a ground point code.
For gr ound point positions, refer to chapter 2
ELECTRICAL WIRING ROUTINGS and RELAY
LOCATIONS.
[L] Wire color
Indicates a wire harness color.
When two alphabetical codes are indicated, for
example "W-B", the rst letter indicates the basic
wire color and the second letter indicates the color
of the stripe.
[M] Switch
Circuit diagrams are shown with the switches in
the OFF position.
For switch operation conditions, refer to the repair
manual.
Ground point code
Wire harness connected to the ground point
A ground point is indicated by an alphabetical
code.
Example: "MJ" indicates that the M wire
harness is grounded at point J.
Code
L
LG
O
P
R
Code
B
BR
DG
G
GR
Wire Color
Black
Brown
Dark Gray
Green
Gray
Wire Color
Blue
Light Green
Orange
Pink
Red
Code
SB
V
W
Y
AM
Wire Color
Sky Blue
Vi
olet
White
Ye
llow
Amber
Example : W-B
W
(White)
B
(Black)
Junction block connector
Inside of a junction block
Junction block type
Terminal number
A number inside indicates a relay block or
fuse block.
For shapes, refer to chapter 2 ELECTRICAL
WIRING ROUTINGS and RELAY LOCATIONS.
Serial number allocated to the connector.
Example: "1B" indicates connector B in the
center junction block.
E1-10
INTRODUCTION
REFERENCE PAGE
[A] Parts
Indicates pages showing electrical wiring routings for the parts.
[B] Relay blocks and junction blocks
Indicates titles and pages showing electrical wiring routings for the relay blocks or junction blocks.
[C] Connections of wire harness and wire harness
Indicates titles and pages showing electrical wiring routings for the connections of two wire harnesses.
[D] Ground points
Indicates titles and pages showing electrical wiring routings for the ground points.
PARTS
Code See Page Code See Page Code See Page Code See Page
A 20 E2-8 G 7 E2-2 G 21 E2-2 K 6 E2-2
A 25 E2-10 G 8 E2-2 G 25 E2-2 O 2 E2-1
4
A 27 E2-10 G 9 E2-2 G 26 E2-2 Q 1 E2-8
A 35 E2-10 G 10 E2-2 G 27 E2-10 S 12 E2-1
4
A 36 E2-10 G 11 E2-2 G 28 E2-10 T 6 E2-16
A 65 E2-10 G 12 E2-2 G 29 E2-10 a 1 E2-8
A 66 E2-10 G 13 E2-2 G 73 E2-10
C 1 E2-16 G 16 E2-2 K 1 E2-
2
C 3 E2-16 G 18 E2-2 K 2 E2-
2
G 6 E2-2 G 19 E2-2 K 3 E2-
2
RELAY BLOCK , JUNCTION BLOCK
Code See Page
1 E2-10 Engine Room R/B
1C E2-19 BODY MAIN WIRE to J/B
1D E2-18 ENGINE WIRE to J/B
1E E2-18 LH SIDE WIRE to J/B
WIRE TO WIRE
Code See Page
AC2 E2-10 BODY MAIN WIRE to SIDE RH WIRE
AC3 E2-10
BODY MAIN WIRE to SIDE RH WIRE
AG1 E2-10 BODY MAIN WIRE to ENGINE WIRE
AO1 E2-10
BODY MAIN WIRE to LH SIDE WIRE
Aa1 E2-8
BODY MAIN WIRE to SUB ACCEL WIRE
GK1 E2-2
ENGINE WIRE to ENGINE SUB WIRE
GK2 E2-2
ENGINE WIRE to ENGINE SUB WIRE
QA1 E2-8 INSTRUMENT PANEL WIRE to BODY MAIN WIRE
SO1 E2-14
REAR UPPER MAIN WIRE to LH SIDE WIRE
TC2 E2-16
REAR UPPER SUB RH WIRE to SIDE RH WIRE
TS1 E2-16 REAR UPPER SUB RH WIRE to REAR UPPER MAIN WIRE
EARTH
Code See Page
AB E2-10
FRONT PLATE LEFT OUTSIDE EARTH
GF E2-2
ENGINE UPPER EARTH
GG E2-2
ENGINE UPPER EARTH
OK E2-14
REAR PILLER LEFT UNDER EARTH
Relay Blocks Name or Joining Wire Harness and J/B
Joining Wire Harness and Wire Harness
Name
E1-11
INTRODUCTION
Chapter 4 GROUND POINTS
GROUND POINTS
These tables describe related systems for each ground point.
Chapter 5 FUSES FOR POWER
FUSES FOR POWER
These tables describe power distribution from each power supply (fuse or fusible link) to various systems.
E4-2
GROUND POINTS
CODE GROUND POINT LOCATION SYSTEM NAME PAGE
SAS/OPS SYSTEM E3-36
CLEARANCE LAMP E3-72
STOP LAMP E3-76
STROBE LIGHT E3-52
TURN SIGNAL LAMP E3-70
BACK UP LAMP BUZZER E3-74
HEAD LAMP E3-68
POWER SHIFT TRANSMISSIN E3-32
SAS/OPS SYSTEM E3-36
ENGINE CONTROL (4Y-E
)
E3-10
COOLER E3-80
CLEARANCE LAMP E3-72
COMBINATION METER E3-54
BACK UP LAMP BUZZER E3-74
WET BRAKE E3-34
DIAG E3-42
COOLER E3-80
STARTING E3-6
STROBE LIGHT E3-52
TURN SIGNAL LAMP E3-70
HEATER E3-78
FRONT WIPER AND WASHER E3-60
HEAD LAMP E3-68
HORN E3-64
REAR WIPER AND WASHER E3-62
REAR WORK E3-28
AA FRONT PLATE LEFT OUTSIDE
AB FRONT PLATE LEFT OUTSIDE
AC FRONT PLATE LEFT OUTSIDE
FUSIBLE LINK BLOCK ASSY
FUSE SYSTEM Page
GLOW E3-76
INTAKE HEATER E3-8
4
120A ALT CHARGING E3-9
6
ENGINE ROOM R/B
FUSE SYSTEM Page
OPS SYSTEM E3-250
SAS/OPS SYSTEM E3-258
7.5A ALT-S CHARGING E3-194
7.5A ECU-B SAS/OPS SYSTEM E3-234
BACK UP LAMP BUZZER
REAR WORKING LAMP
STROBE LIGHT
GLOW E3-162
INTAKE HEATER E3-166
ENGINE CONTROL (4Y-E) E3-170
FUEL E3-278
REAR WIPER E3-76
GLOW100
A
GAUG
E
10A BACK LP
7.5A ACC-
B
FUSE FOR POWER SUPPLY
E5-3
E3-220
E3-204
E3-182
E1-12
INTRODUCTION
Chapter 6 CONNECTOR LIST
CONNECTOR LIST
[A] Connector shape and terminal number
Indicates the connector shape on the wire harness side, which is connected to a part.
Numbers indicate terminal numbers that are used in the circuit diagrams.
[B] Connector color
Indicates a connector color.
[C] Part connector
Indicates a connector number connected to a part.
The code is the same as that used in the electrical wiring routing.
[D] Connector part number
Indicates the part number of a connector.
A 43
16
9
8187
17
10
6
151413
5124
11
32
1
90980-11594
A 44
6
14
1 3 4
7 9 10 1 1 12 13
5
8
2
90980-10807
A 45
1 2
90980-11162
A 46
2 1
90980-11168
A 47
2431
90980-10942
A 48
1342
90980-10941
A 49
1 2
90980-11235
A 50
1 2
90980-11051
A 51
8
4 3 2
6157
90980-10896
A 52
58
3
7 6
14 2
90980-10890
A 53
1 2
90980-11051
A 54
21
90980-10899
A 55
21
90980-10899
A 56
2 1
90980-11168
A 57
1 2
90980-11051
A 58
1 2 3
90980-11296
A 59
1
2
90980-10213
A 60
1 2
90980-11162
A 64
212019181716151413
10
98765432
2212
111
90980-11915
A 65
121 110987
654321
90980-11661
A 66
121 110987
654321
90980-11661
A 67
123456
789101 1121 3141 5
90980-11088
CONNECTOR LIST
E6-3
DARK GRAY
DARK GRAY
GRAY
BLACK
BLACK
DARK GRAY
GRAY
GRAY
BLACK
GRAY
GRAY
BLACK
BLACK
DARK GRAY
BLACK
BLUE
E1-13
INTRODUCTION
HARNESS TO HARNESS CONNECTOR
[A] Connector shape and terminal number
Indicates the connector shape that connects two wire harnesses.
On left: Female connector
*1
shape (This example indicates a connector for the G wire)
On right: Male connector
*2
shape (This example indicates a connector for the K wire)
*1: A female connector has a female terminal.
*2: A male connector has a male terminal.
B] Connector color
Indicates a connector color.
[C] Harness to harness connector
Indicates a connector code that connects two wire harnesses
The code is the same as that used in the electrical wiring routing and wiring diagram.
[D] Connector part number
Indicates the part number of a connector
SO3
423
1
314
2
90980-11036
90980-11035
ST1
132
4
241
3
90980-10795
90980-10794
SV1
1
3
2
4 5 6
2
6
1
5 4 3
90980-10797
90980-10796
SW1
1
2 3
1
3 2
90980-10980
90980-10979
SW2
1
4
3
6 7
85
2
1
4
3 2
58 7 6
90980-10799
90980-10798
Sx1
21
1
90980-10906
99144-12239
TC1
1 2 3 4 5 6
7 8 9 10 11 12 13 14 1
5
123456
789101112131415
90980-11089
90980-11088
TC2
6415
2 3
4635
2 1
90980-11194
90980-1119
3
TS1
1
1
90980-10871
90980-10870
WIRE to WIRE
E6-13
BLACK
GRAY
DARK GRAY
GRAY
E1-14
INTRODUCTION
ABBREVIATIONS
The following abbreviations are used in this section.
Abbreviations Explanation
ASC Auto Speed Control
ASSY Assembly
CNG Compressed Nutural Gas
DPF Diesel Particulate Filter
ECU Electronic Control Unit
FR Front
J/B Junction Block
LH Left-Hand
LPG Liqueed Petroleum Gas
M/T Manual Transmission
OPS Operator Presence Sensing
PS Power Steering
R/B Relay Block
RH Right-Hand
RR Rear
SAS System of Active Stability
SOL Solenoid
SPEC. Specication
T/C Torque Converter & Transmission
W/ With
W/O Without
E1-15
INTRODUCTION
GLOSSARY OF TERMS AND SYMBOLS
BATTERY GROUND RELAY
RELAY, DOUBLE THROW SWITCH, DOUBLE THROW
RESISTOR, TAPPED SWITCH, IGNITION
SWITCH, WIPER PARK
SENSOR (Termistor)
SENSOR
SHORT PIN
FUSE
SOLENOID
1. SINGLE
FILAMENT
2. DOUBLE
FILAMENT
1. NORMALLY
CLOSED
2. NORMALLY
OPEN
SWITCH, MANUAL
1. NORMALLY
OPEN
2. NORMALLY
CLOSED
WIRES
1. NOT
CONNECTED
2. SPLICED
HIGH-TENSION WIRE
HEADLIGHTS
HORN
LIGHT
METER, ANALOG
METER, DIGITAL
RESISTOR
RESISTOR,
VA
LIABLE or RHEOSTAT
CAPACITOR
(Condenser)
CIGARETTE LIGHTER
DIODE
DIODE, ZENER
LED
(Light Emitting Diode)
PHOTODIODE
MOTOR
SPEAKER
TRANSISTOR
MEMO
E2-1
CHAPTER 2 ELECTRICAL WIRING ROUTINGS AND
RELAY LOCATIONS
E2
ELECTRICAL WIRING ROUTINGS
ENGINE ROOM (4Y-E) ..................................................................... E2-2
ENGINE ROOM (1DZ) ....................................................................... E2-4
INSTRUMENT PANEL ...................................................................... E2-6
FRONT BODY ................................................................................... E2-8
MAST AREA .................................................................................... E2-10
REAR BODY (NO.1) ........................................................................ E2-12
REAR BODY (NO.2) ........................................................................ E2-14
RELAY LOCATIONS
JUNCTION BLOCK (J/B) / RELAY BLOCK (R/B) ........................... E2-16
WIRE NAMESYMBOLS WIRE NAMESYMBOLS
A
B
C
D
G
H
I
J
K
M
O
Q
S
BODY MAIN WIRE
BODY SUB NO.1 WIRE
SIDE RH WIRE
T/C HEAT GAUGE WIRE
ENGINE WIRE
BATTERY STARTER WIRE
BATTERY EARTH WIRE
ENGINE EARTH WIRE
ENGINE SUB WIRE
LPG PRESSURE SWITCH WIRE
SIDE LH WIRE
INSTRUMENT PANEL WIRE
R
FR STAY WIRE RH
RR UPR MAIN WIRE
T
RR UPR SUB RH WIRE
U
HEAD GUARD SW WIRE
Y
Z
a
X
HOOD MAIN WIRE
HOOD SUB NO.1 WIRE
RR LWR WIRE
SUB ACCEL WIRE
b
MAST SENSOR WIRE
d
g
h
i
j
k
m
FR STAY WIRE LH
CNG PRESSURE SENSOR WIRE
WIPER SUB WIRE
DIGITAL METER WIRE
INSTRUMENT PANEL SW WIRE
EZ PEDAL LIMIT SW WIRE
INSTRUMENT PANEL WIRE
E2-2
ENGINE ROOM(4Y-E)
G6
G9
G8
G75
G2
G14
K5
G26
G16
G18
G19
G21
G74
G10
G13
G22
H1
J3
I1
G25
G88
K3
K6
G24
G23
H3
G80
G79
G76
G78
G77
G11
G12
GK2
GF
IH
GG
BATTERY EARTH WIRE
BATTERY STARTER WIRE
ENGINE WIRE
ENGINE SUB WIRE
to E2-8
K
H
G
I
ENGINE EARTH WIRE
J
J1
M2
g1
M1
KM1
Kg1
G86
G4
CNG PRESSURE SENSOR WIRE
g
K2
GK1
K1
LPG PRESSURE SWITCH WIRE
M
ELECTRICAL WIRING ROUTINGS
E2-3
G4
ALTERNATOR
ENGINE UPPER EARTH
ENGINE UPPER EARTH
GF
GG
REAR PILLAR LEFT UNDER EARTH
IH
ALTERNATOR
G2
G6
THROTTLE POSITION SENSOR(WITH MOTOR)
G74
LPG INJCTOR
G8
INJECTOR NO.1
G9
INJECTOR NO.2
G10
INJECTOR NO.3
G11
INJECTOR NO.4
G12
VACUUM SENSOR
G13
FCM STEP MOTOR
G14
WATER TEMPERATURE SENDER
G16
WATER TEMPERATURE SENSOR
GK1
ENGINE WIRE to ENGINE SUB WIRE
GK2
ENGINE SUB WIRE to LPG PRESSURE SWITCH WIRE
KM1
ENGINE SUB WIRE to CNG PRESSURE SENSOR WIRE
Kg1
G18
G19
G21
G22
G23
G24
G2 SENSOR
DISTRIBUTOR
IGNITION COIL
OIL PRESSURE SWITCH
STARTER
FUSIBLE LINK BLOCK ASSY
G25
G26
H1
H3
I1
IGNITER
TACHO CHECK
G75
ALTERNATOR
G76
FUSIBLE LINK BLOCK-1
G77
DISCONNECT SWITCH(BATT)
G78
DISCONNECT SWITCH(ALT)
G79
DISCONNECT SWITCH(ALT)
G80
DISCONNECT SWITCH(BATT)
G86
BATTERY
G88
GASOLINE/LPG SWITCH
STARTER
BATTERY
BATTERY
J1
STARTER
J3
BATTERY
K1
K2
LPG SOLENOID(SLOW)
LPG RESISTOR
K3
LPG SOLENOID(MAIN)
K5
CNG SOLENOID
K6
CNG RESISTOR
M1
LPG PRESSURE SWITCH
M2
LPG PRESSURE SWITCH
g1
CNG PRESSURE SENSOR
ELECTRICAL WIRING ROUTINGS
E2-4
ENGINE ROOM(1DZ)
H2
G33
G75
G1
G17
G14
I2
H3
G30
G82
G83
G84
G85
G22
G32
G34
G31
G37
G36
ENGINE EARTH WIRE
ENGINE WIRE
to E2-8
J
BATTERY STARTER WIRE
H
G
BATTERY EARTH WIRE
I
GL
IH
GJ
G24
JL
J2
G4
G80
G79
G76
G78
G77
G87
ELECTRICAL WIRING ROUTINGS
E2-5
G4
ALTERNATOR
JUNCTION BLOCK IN FRONT INSIDE EARTH
JUNCTION BLOCK IN FRONT INSIDE EARTH
GJ
GL
REAR PILLAR LEFT UNDER EARTH
IH
FRONT PLATE LEFT INSIDE EARTH
JL
ALTERNATOR
G1
G14
WATER TEMPERATURE SENDER
G17
WATER TEMPERATURE SENSOR
G22
OIL PRESSURE SWITCH
G24
FUSIBLE LINK BLOCK ASSY
G30
GLOW PLUG
G31
INJECTOR PUMP
G32
STARTER
G34
FUEL CUT SOLENOID
G33
GLOW PLUG RELAY
G36
OPEN CLOSE SWITCH
G37
STEP MOTOR
G75
ALTERNATOR
G76
G77
G78
G79
G80
G87
FUSIBLE LINK BLOCK-2
H2
STARTER
H3
BATTERY
I2
BATTERY
J2
STARTER
FUSIBLE LINK BLOCK-1
DISCONNECT SWITCH(BATT)
DISCONNECT SWITCH(ALT)
DISCONNECT SWITCH(ALT)
DISCONNECT SWITCH(BATT)
G82
GLOW PLUG NO.1
G83
GLOW PLUG NO.2
G84
GLOW PLUG NO.3
G85
GLOW PLUG NO.4
ELECTRICAL WIRING ROUTINGS
E2-6
INSTRUMENT PANEL
A68
A6
A18
A78
A19
a1
k1
Q2
Q1
A23
A20
A49
A12
A11
A10
A51
A52
A70
A42
A15
A13
A11
m1
A56
A12
A10
A14
Q1
i1
i2
i3
i4
A4
A3
A2
A1
A8
A80
A7
A9
A69
h2
h1
BODY MAIN WIRE
A
B
Q
U
a
d
h
R
BODY SUB NO.1 WIRE
INSTRUMENT PANEL WIRE
[W/ CNG DIGITAL METER]
FR STAY WIRE RH
HEAD GUARD SW WIRE
SUB ACCEL WIRE
b
MAST SENSOR WIRE
FR STAY WIRE LH
WIPER SUB WIRE
i
DIGITAL METER WIRE
j
INSTRUMENT PANEL SW WIRE
m
INSTRUMENT PANEL WIRE
k
EZ PEDAL LIMIT SW WIRE
B
to E2-10
to E2-10
to E2-10
to E2-14
to E2-8
hA1
Ah1
AQ1
Aa1
Ak1
QA1
A41
A
AQ1
Ai1
QA1
AQ1
jA1
mA1
Q2
Q1
A21
j1
j2
A86
A87
d
h
U
R
Q
a
b
j
m
Q
k
ELECTRICAL WIRING ROUTINGS
E2-7
A2
IGNITION SWITCH
HORN SWITCH
A1
A3
STEERING SENSOR
A4
LIGHT CONTROL SWITCH
A6
STOP LAMP SWITCH
A7
BRAKE WARNING SWITCH
A8
OPS WARNING BUZZER
A9
PARKING BRAKE SWITCH
A10
TILT SOLENOID
A11
LIFT SOLENOID
A12
UNLOAD SOLENOID
A13
TILT SWITCH
A14
LIFT SWITCH
A15
NEUTRAL TILT SWITCH
BODY MAIN WIRE to INSTRUMENT PANEL WIRE
BODY MAIN WIRE to WIPER SUB WIRE
BODY MAIN WIRE to SUB ACCEL WIRE
INSTRUMENT PANEL WIRE to BODY MAIN WIRE
WIPER SUB WIRE to BODY MAIN WIRE
AQ1
Ah1
Aa1
QA1
hA1
INSTRUMENT PANEL SW WIRE to BODY MAIN WIRE
jA1
BODY MAIN WIRE to EZ PEDAL LIMIT SW WIRE
Ak1
BODY MAIN WIRE to DIGITAL METER WIRE
Ai1
INSTRUMENT PANEL WIRE to BODY MAIN WIRE
mA1
A18
A19
A20
A21
A23
A41
PRESSURE SENSOR
SPEED SENSOR
SAS/OPS ECU
SAS/OPS ECU
MINI LEVER ECU
LEFT T/C SHIFT SWITCH
A42
A49
A51
TILT ANGLE SENSOR
HORN
CONTROL VALVE PUSH SOLENOID
A52
CONTROL VALVE PULL SOLENOID
A56
A68
BACK TILT SOLENOID
WET BRAKE BUZZER
A69
WET BRAKE LAMP
A70
PRESSURE SWITCH
A78
EZ PEDAL DIRECTION SWITCH
A80
PARKING WARNING LAMP
A86
SHORT CONNECTOR
A87
SHORT CONNECTOR
Q1
COMBINATION METER
Q2
DISPLAY
a1
ACCEL SENSOR
h1
FRONT WIPER RELAY
h2
FRONT WIPER MOTOR
i1
CNG DIGITAL METER
i2
CNG DIGITAL METER
i3
CNG DIGITAL METER
i4
CNG DIGITAL METER
j1
INPANE SWITCH(+)
j2
INPANE SWITCH(-)
k1
ACCEL SWITCH
m1
12V POWER SUPPLY
ELECTRICAL WIRING ROUTINGS
E2-8
FRONT BODY
D1
A55
A32
G35
A29
A31
A33
A34
A79
A64
A71
A27
G73
A65
G29
A26
A66
A54
A47
A25
A46
A38
A37
A24
A45
A48
AA
AD
AB
AC
SIDE RH WIRE
C
ENGINE WIRE
G
ENGINE ROOM R/B
BODY MAIN WIRE
A
T/C HEAT GAUGE WIRE
D
to E2-14
to E2-12
to E2-2
to E2-4
to E2-6
1
DA1
AO3
AG1
AG1
AC2
AO2
AO1
AG4
J/B
A35
G28
A36
G27
AG2
G43
G35
AG1
AG2
G43
G39
G38
[1DZ W/O ASC]
[1DZ W/ ASC]
AC4
A74
A73
A75
A76
A82
A83
A84
A85
A81
SIDE LH WIRE
O
1A
1B
1C
1D
1E
[4Y-E]
ELECTRICAL WIRING ROUTINGS
E2-9
A25
DIAGNOSIS
A26
DIODE
FRONT PLATE LEFT OUTSIDE EARTH
FRONT PLATE LEFT OUTSIDE EARTH
AA
AB
FRONT PLATE LEFT OUTSIDE EARTH
AC
TRANSMISSION UPPER EARTH
AD
FUSIBLE LINK BLOCK ASSY
A24
A27
JUNCTION CONNECTOR
A29
CAN JOINT CONNECTOR
A31
CAN JOINT CONNECTOR
A32
CAN JOINT CONNECTOR
A33
CAN JOINT CONNECTOR
A34
CAN JOINT CONNECTOR
A35
ENGINE ECU
A36
ENGINE ECU
A37
LPG WARNING RELAY
A38
LPG WARNING BUZZER
BODY MAIN WIRE to SIDE RH WIRE
AC2
AC4
BODY MAIN WIRE to ENGINE WIRE
AG1
AG2
AG4
AO1
BODY MAIN WIRE to SIDE LH WIRE
T/C HEAT GAUGE WIRE to BODY MAIN WIRE
AO2
AO3
DA1
A45
A46
A47
A48
A54
MATCHING CONNECTOR
MATCHING CONNECTOR
SHIFT SOLENOID2
SHIFT SOLENOID2
SHIFT SOLENOID1
A55
A65
A66
D1
SHIFT SOLENOID1
A64
JUNCTION CONNECTOR(J)
JUNCTION CONNECTOR(A)
JUNCTION CONNECTOR(B)
A71
DIODE(WET BRAKE)
A73
T/C INTERLOCK(FR)
A74
SHORT CONNECTOR(FR)
A75
T/C INTERLOCK(RR)
A76
SHORT CONNECTOR(RR)
A79
BUZZER DIODE
A81
PARKING LAMP DIODE
A82
FRONT SOLENOID RELAY
A83
REAR SOLENOID RELAY
A84
EZ PEDAL MAIN RELAY
A85
NEUTRAL START RELAY
T/C OIL TEMPERATURE SENSOR
G27
G28
ENGINE ECU
ENGINE ECU
G29
JUNCTION CONNECTOR(B)
G35
GLOW PLUG TIMER
G38
ASC ECU
G39
ASC ECU
G43
JUNCTION CONNECTOR(E)
G73
JUNCTION CONNECTOR(A)
1A
1B
BODY MAIN WIRE to J/B
1C
1D
ENGINE WIRE to J/B
1E
SIDE LH WIRE to J/B
ELECTRICAL WIRING ROUTINGS
E2-10
MAST AREA
to E2-14
FR ST
AY
WIRE RH
R
HEAD GUARD SW WIRE
U
FR STAY WIRE LH
d
BODY MAIN WIRE
A
MAST SENSOR WIRE
b
BODY SUB NO.1 WIRE
B
Ab1
BA1
UA1
UB1
UA2
b1
b1
U2
U3
U5
*2
*1
dA2
RA2
*1:V MAST
*2:FSV MAST
d1
d6
R6
U1
U6
U7
U8
R1
ELECTRICAL WIRING ROUTINGS
E2-11
MAST SWITCH
b1
LPG WARNING SWITCH
U5
FAN SWITCH
U6
FAN MOTOR(B)
U7
FAN MOTOR(E)
U8
REAR WIPER SWITCH
U3
FRONT WIPER SWITCH
U2
HEATER SWITCH
U1
HEAD LAMP RIGHT
R6
FRONT COMBINATION LAMP RIGHT
R1
d1
FRONT COMBINATION LAMP LEFT
d6
HEAD LAMP LEFT
BODY SUB NO.1 WIRE to BODY MAIN WIRE
BA1
FR STAY WIRE RH to BODY MAIN WIRE
RA2
UA1
HEAD GUARD SW WIRE to BODY MAIN WIRE
UA2
HEAD GUARD SW WIRE to BODY SUB NO.1 WIRE
UB1
BODY MAIN WIRE to MAST SENSOR WIRE
Ab1
FR STAY WIRE LH to BODY MAIN WIRE
dA2
ELECTRICAL WIRING ROUTINGS
E2-12
REAR BODY(NO.1)
YX2
YX1
XO1
XO3
ZO1
SO2
RR UPR MAIN WIRES
RR LWR WIRE
Z
HOOD SUB NO.1 WIRE
Y
HOOD MAIN WIREX
SIDE LH WIRE
O
a
a
to E2-8
X1
O1
O2
O3
S2
S13
S14
S8
to E2-14
Z1
Z3
Y5
Y6
Y7
Y1
Y4
Y8
Y2
Y3
Y9
S23
S17
S18
S17
S21
S18
S22
S3
S4
S16
S15
S11
S20
S20
S19
S19
O4
XO2
XO4
OK
SO3
SO1
*1:CABIN
*2:EXCEPT CABIN
*1
*1
*2
*2
*1
*1
*2
*2
ELECTRICAL WIRING ROUTINGS
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