Page 3081 of 3573
8D – 488 WIRING SYSTEM
Parts Location (LHD)
Legend
(1) S-5
(2) S-4
(3) S-3
(4) S-2
(5) B-18
(6) H-23(7) Fuse Box (B-37)
(8) B-1
(9) Relay and Fuse Box
(10) H-21
(11) H-45
(12) L-1
D08RW388
2
1
3
4
5
6
7
8 9101112
Page 3082 of 3573
WIRING SYSTEM 8D – 489
Diagnosis
Quick Chart for Check Points
1. Sun roof does
not open
2. Sun roof does
not close
3. Safety stop mechanism
does not operate before
sun roof closes completely
4. Limit switch mechanism
does not operate before
sun roof open completely
5. Power source circuit
diagnosis
C/B-2
(30A)Fuse
C-4
(10A)Power
win-
dow
relaySun
roof
switchSun
roof
control
unitSun
roof
motorSafety
stop
switchCable
har-
nessCheck point
Trouble modeLimit
switch
Page 3083 of 3573

8D – 490 WIRING SYSTEM
1. Sun Roof Does Not Open
2. Sun Roof Does Not Close
•
•TURN THE STARTER SWITCH ON
IS BATTERY VOLTAGE APPLIED BETWEEN 2 S-4 AND
THE GROUND?
YES
•IS B-2 (OR B-1 ) GROUNDED SECURELY? REFER TO ITEM No. 5 “POWER SOURCE
CIRCUIT DIAGNOSIS” IN THIS DIAGNOSIS
NO
YES
•IS THERE ANY CONTINUITY BETWEEN 3 S-5 - 1 L-1
(6 S-5 - 3 L-1 )?REPAIR OR REPLACE THE SWITCH
NO
YES
IS THE SUN ROOF SWITCH NORMAL? GROUND IT SECURELY
NO
•
YES
•IS THERE ANY CONTINUITY BETWEEN 2 L-1 - B-2 (OR B-1 )? REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
YES
•
•CONNECT THE BATTERY (+) TERMINAL TO THE SUN
ROOF MOTOR SIDE CONNECTOR TERMINAL 1 S-3
(2 S-3 ) AND THE (–) TERMINAL TO 2 S-3 (1 S-3 )
DOES THE MOTOR ROTATE?
NO
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
YES
•IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR TERMINALS 1 S-3 - 2 S-3 ?REPAIR OR REPLACE THE MOTOR
NO
YES
•IS THERE ANY CONTINUITY BETWEEN 4 S-5 - B-2 (OR B-1 )? REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
A
Page 3084 of 3573
WIRING SYSTEM 8D – 491
YES
REPLACE THE CONTROL UNIT REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
A
3. Safety Stop Mechanism Does Not Operate Before Sun Roof Closes Completely
•IS THE CONTINUITY IN THE SAFETY STOP SWITCH
NORMAL?
YES
•IS THERE ANY CONTINUITY BETWEEN 5 S-5 - 3 S-2 ? REPAIR OR REPLACE THE SWITCH
NO
YES
REPAIR AN OPEN CIRCUIT BETWEEN 1 S-2 AND THE
GROUND OR GROUND IT SECURELYREPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
4. Limit Switch Mechanism Does Not Operate Before Sun Roof Open Completely
•IS THE CONTINUITY IN THE LIMIT SWITCH NORMAL?
YES
•IS THERE ANY CONTINUITY BETWEEN 5 S-5 - 3 S-2 ? REPAIR OR REPLACE THE SWITCH
NO
YES
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
REPAIR A POOR CONNECTION OF THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1 S-2 - B-2 (OR B-1 )
Page 3085 of 3573
8D – 492 WIRING SYSTEM
5. Power Source Circuit Diagnosis
•IS THERE ANY CONTINUITY BETWEEN THE TERMINALS
OF C/B-2 (30A)?
YES
•IS FUSE C-4 (10A) NORMAL? PUSH IN THE RESET BUTTON OF CIRCUIT BREAKER
AND CHECK THE CONTINUITY AGAIN
IF THERE IS NO CONTINUITY AFTER PUSHING RESET
BUTTON, REPLACE IT WITH NEW ONE
NO
YES
•IS THE POWER WINDOW RELAY NORMAL? REPLACE THE FUSE
NO
YES
•
•TURN THE STARTER SWITCH ON
IS THE BATTERY VOLTAGE APPLIED BETWEEN 1 B-37
AND THE GROUND OR 2 B-37 AND THE GROUND?
NO
REPLACE THE RELAY
YES
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 3 B-37 AND B-19 (OR B-18 )GROUND IT SECURELY
NO
YES
•IS B-19 (OR B-18 ) GROUNDED SECURELY?
NO
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN FUSE C-4 (10A) AND
1 B-37 OR 1 H-14 AND 2 B-37
Page 3086 of 3573
WIRING SYSTEM 8D – 493
Seat Heater
General Description
The circuit consists of seat heater switch and seat
heater unit.
Seat heater unit is incorporated into front seats.
To prevent from being overheated, seat heater unit
has thermostat.
Page 3087 of 3573
8D – 494 WIRING SYSTEM
Circuit Diagram (RHD)
D08RW648
H HH
K K
B-29 STARTER SW
(IG2)
1.25
G/R
0.85
GR/L
0.85
W0.85
Y/V
0.85
W/R0.85
B
2.0
B0.85
G/R 3.0
B/R
C-2 15A
SEAT HEATER
SEAT HEATER SW-RH
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-LHSEAT
HEATER-RH
2
3
B-31
SEAT CUSHION SEAT
BACK
4
B-31
1
B-31
5
H-58 2
H-58
D
C
B-26
BODY-CTR 2.0
B
B-2
BODY-LH 2.0
B
B-18
BODY-RH
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-LH
SEAT CUSHION SEAT
BACK
T- 1 0
4H-5833
T- 1 0 1
T- 1 0 0.85
W0.85
W/RC
D
Page 3088 of 3573
WIRING SYSTEM 8D – 495
Parts Location (RHD)
(6) B-31
(7) B-29
(8) H-57
(9) T-8
(10) Relay and Fuse Box
(11) B-18
D08RW993
Legend
(1) B-26
(2) H-58
(3) B-2
(4) T-10
(5) Fuse Box
4 1
5 6 7 8 9 10
3 11
2