Page 3089 of 3573
8D – 496 WIRING SYSTEM
Circuit Diagram (LHD)
D08RW948
H HH
K K
B-29 STARTER SW
(IG2)
1.25
GR
0.85
GR/L
0.85
W0.85
Y/V
0.85
W/R0.85
B
2.0
B0.85
GR 3.0
B/R
C-2 15A
SEAT HEATER
SEAT HEATER SW-LH
2
3
B-29
4
B-29
1
B-29
5
H-57 2
H-57
B
A
H HH
K K
B-31
0.85
L/G
0.85
W0.85
Y/G
0.85
W/R0.85
B0.85
B/W
0.85
B
SEAT HEATER SW-RHSEAT
HEATER-LH
2
3
B-31
SEAT CUSHION SEAT
BACK
4
B-31
1
B-31
5
H-58 2
H-58
D
C
B-2
BODY-RH
2.0
B
B-26
BODY-CTR
2.0
B
B-18
BODY-LH
T- 8
4H-5733
T- 8 1
T- 8 0.85
W0.85
W/RA
B
0.85
B/W
0.85
B
SEAT
HEATER-RH
SEAT CUSHION SEAT
BACK
T- 1 0
4H-5833
T- 1 0 1
T- 1 0 0.85
W0.85
W/RC
D
Page 3090 of 3573
WIRING SYSTEM 8D – 497
Parts Location (LHD)
(6) B-31
(7) B-29
(8) H-58
(9) T-10
(10) Relay and Fuse Box
(11) B-2
D08RW992
Legend
(1) B-26
(2) B-18
(3) T-8
(4) Fuse Box
(5) H-57
3 1
4 5 6 7 8 9 10
2 11
Page 3091 of 3573
8D – 498 WIRING SYSTEM
Diagnosis
Quick Chart for Check Points
Trouble modeCheck point
Seat heater on both sides does not heat up
Seat heater on the driver (or passenger)
side does not heat up
Heat (or keep) position does not heat up
1.
2.
3.
Fuse C-2
(15A)Seat heater SW
Driver sidePassenger
sideHeat unit
Driver sidePassenger
side
Cable
harness
1. Seat Heater on Both Sides Does Not Heat Up
YES
REPLACE THE FUSE
NO
•IS FUSE C-2 (15A) NORMAL?
IS B-26 GROUNDED SECURELY?
YES
GROUND IT SECURELY
NO
•
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN C-2 (15A) AND 2 B-29
(2 B-31 )
Page 3092 of 3573
WIRING SYSTEM 8D – 499
2. Seat Heater on The Driver (Or Passenger) Side Does Not Heat Up
YES
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT IN THE CIRCUIT
NO
•
•
•DISCONNECT THE SEAT HEATER SWITCH CONNECTOR
TURN THE STARTER SWITCH “ON”
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE SEAT
HEATER SW HARNESS SIDE CONNECTOR 2 B-29
(OR 2 B-31 ) AND THE GROUND?
•IS THE SEAT HEATER SW FUNCTION NORMAL?
YES
REPLACE THE SEAT HEATER SW
NO
•
•DISCONNECT THE HEAT UNIT CONNECTOR
IS THERE ANY CONTINUITY BETWEEN THE HEAT UNIT
CONNECTOR 1 T-8 , 3 T-8 AND 4 T-8 (OR 1 T-10 ,
3 T-10 AND 4 T-10 )
YES
REPLACE THE HEAT UNIT
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 1 B-29 AND 1 T-8 , 4 B-29 AND 3 T-8 ,
4 T-8 AND GROUND (OR 1 B-31 AND 1 T-10 , 4 B-31 AND
3 T-10 , 4 T-10 AND GROUND)
3. Heat (Or Keep) Position Does Not Heat Up
YES
REPLACE THE SEAT HEATER SW
NO
•IS THE SEAT HEATER SW FUNCTION NORMAL?
REPLACE THE HEAT UNIT
Page 3093 of 3573
8D – 500 WIRING SYSTEM
Power Seat
General Description
The circuit consists of power seat switch, front tilt
motor (driver’s seat only), rear tilt motor (driver’s seat
only), slide motor and recliner motor.
Power seat switch has a tilt and slide switch and a
recliner switch. The motor built in the seat can be
actuated by operating these switches to move the
seat to desired position, independent of position of
starter switch.
Page 3094 of 3573
WIRING SYSTEM 8D – 501
Circuit Diagram (RHD)-1
D08RW640
A
H-57 C/B-2
3.0
B/L3.0
B/L
2.0
R1T- 2
POWER SEAT SW-RH
1
2.0
B2.0
B2.0
B
2.0
B
2.0
B2.0
B
M
T- 1
1
1.25
Y 1.25
Y/B
T- 1
T- 4
T- 46
1.25
Y/R1.25
Y/W
T- 1
3
T- 1UP DOWN
8T- 3
RECLINER
MOTOR & SW
-LH DRIVER'S SEAT
TILT MOTOR
& SW-FRT
3
B
M
T- 1
5
T- 1
10
1.25
L/WFRT RR
1.25
G/R
SLIDE MOTOR
-LH
T- 32
T- 31 2 1
M
T- 1
2
1.25
L 1.25
L/B
T- 1
T- 6
T- 67
1.25
L/R1.25
G
T- 1
4
T- 1UP DOWN
9T- 5
DRIVER'S SEAT
TILT MOTOR
& SW-RR
3
T- 52
T- 51 2 1
M
T-113 1.25
W 1.25
B/W
T-116 1.25
BR1.25
LG
T-112
T-115T-11
4
H-57
BODY-CTR BODY-LH BODY-RH4
T- 22
B-26
B-2
B-18
T- 71
T- 72FRT RR
Page 3095 of 3573
8D – 502 WIRING SYSTEM
Circuit Diagram (RHD)-2
D08RW641
A
H-58 3.0
B/L
2.0
R1T- 9
POWER SEAT SW-LH
1M
T-131
T-132 1.25
G FRT RR FRT RR
T- 9 2.0
B
2.0
B
2.0
B2H-5841.25
G/R
M
T-123 1.25
W 1.25
B/W
T-126 1.25
BR1.25
LG
T-122
T-125T-12
SLIDE MOTOR
-RHRECLINER
MOTOR & SW
-RH
4
B
Page 3096 of 3573
WIRING SYSTEM 8D – 503
Parts Location (RHD)
Legend
(1) T-6
(2) T-4
(3) T-1
(4) B-2
(5) Fuse Box
(6) H-58
(7) B-26(8) T-9
(9) T-13
(10) T-12
(11) H-57
(12) T-7
(13) Relay and Fuse Box
(14) B-18
D08RW996
1
3
4
5 6 8 7
11 12
9 13
10
14
2