Infiniti G35 (V35). Manual - part 751

SE-106

POWER SEAT

3. 

CHECK SLIDING SWITCH

Check continuity between power seat switch connector B503 termi-
nals 5, 6 and 1.

OK or NG

OK

>> GO TO 4.

NG

>> Replace power seat switch.

4. 

CHECK POWER SEAT SWITCH GROUND CIRCUIT

Check continuity between power seat switch connector B503 termi-
nal 1 and ground.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Repair or replace harness.

Check Sliding Motor

NIS000I4

1. 

CHECK SLIDING MOTOR SIGNAL

Check voltage between seat control unit connector B324 (driver side), B502 (passenger side) terminals 10, 11
and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Replace seat control unit driver side or passenger side.

Terminal

Condition

Continuity

6

1

FORWARD SW: ON

Yes

Other than above

No

5

BACKWARD SW: ON

Yes

Other than above

No

PIIB4541E

1 (B) - Ground

Continuity should exist.

PIIB4542E

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

B324
B502

10 (W)

Ground

FORWARD SW: ON

Battery voltage

Other than above

0

11 (L)

BACKWARD SW: OFF

Battery voltage

Other than above

0

PIIA4928E

POWER SEAT

SE-107

C

D

E

F

G

H

J

K

L

M

A

B

SE

2. 

CHECK SLIDING MOTOR CIRCUIT

1.

Disconnect seat control unit and sliding motor connector.

2.

Check continuity between seat control unit connector B324
(driver side), B502 (passenger side) terminals 10, 11 and sliding
motor connector B322 (driver side), B504 (passenger side) ter-
minals 3, 10.

OK or NG

OK

>> Replace sliding motor

NG

>> Repair or replace harness between seat control unit and

sliding motor.

Check Sliding Sensor

NIS000I5

1. 

CHECK SLIDING SENSOR SIGNAL 

Check the signal between seat control unit connector B324 (driver side), B502 (passenger side) and ground
with oscilloscope.

OK or NG

OK

>> Sliding sensor is OK.

NG

>> GO TO 2.

2. 

CHECK SLIDING SENSOR GROUND CIRCUIT

1.

Connect sliding motor connector.

2.

Check continuity seat control unit connector B324 (driver side),
B502 (passenger side) terminal 14 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

10 (W) – 3 (W)

: Continuity should exist.

11 (L) – 10 (L)

: Continuity should exist.

PIIA4066E

Connector

Terminals 

Condition

Signal

(Reference value)

(+)

(-)

B324
B502

3 (R)

Ground

Motor is 

operating

PIIA4929E

PIIA4079E

14 (GY) – Ground

: Continuity should exist.

PIIA4930E

SE-108

POWER SEAT

3. 

CHECK HARNESS CONTINUITY

1.

Disconnect seat control unit connector.

2.

Check continuity between seat control unit connector B324
(driver side), B502 (passenger side) terminals 3, 14 and sliding
motor connector B322 (driver side), B504 (passenger side) ter-
minals 18, 28.

3.

Check continuity between seat control unit connector B324
(driver side), B502 (passenger side) terminals 3, 14 and ground.

OK or NG

OK

>> Replace sliding motor.

NG

>> Repair or replace harness.

Check Reclining Motor (Driver Side)

NIS000I6

1. 

CHECK RECLINING MOTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor connector.

3.

Check voltage between reclining motor connector and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2. 

CHECK POWER SEAT SWITCH 1

1.

Disconnect power seat switch connector.

2.

Check continuity between power seat switch connector B326
terminal 3, 4 and 11.

OK or NG

OK

>> Replace reclining motor.

NG

>> Replace power seat switch.

3 (R) – 18 (R)

: Continuity should exist.

14 (GY) – 28 (GY)

: Continuity should exist.

3 (R) – Ground

: Continuity should not exist.

14 (GY) – Ground

: Continuity should not exist.

PIIA4931E

Connec-

tor

Terminal

(Wire Color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

B323

1 (LG)

Ground

FORWARD SW: ON

Battery voltage

Other than above

0

2 (P)

BACKWARD SW: ON

Battery voltage

Other than above

0

PIIB4543E

Terminal

Condition

Continuity

3

11

FORWARD SW: ON

Yes

Other than above

No

4

BACKWARD SW: ON

Yes

Other than above

No

PIIB4544E

POWER SEAT

SE-109

C

D

E

F

G

H

J

K

L

M

A

B

SE

3. 

CHECK RECLINING MOTOR CIRCUIT HARNESS

1.

Check continuity between power seat switch connector B326
terminal 3, 4 and reclining motor connector B323 terminal 1, 2.

2.

Check continuity between power seat switch connector B326
terminal 3, 4 and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between power seat switch and reclining motor.

4. 

CHECK POWER SEAT SWITCH 2

Check continuity between power seat switch as follows.

OK or NG

OK

>> Check the condition of the harness and connector.

NG

>> Replace power seat switch.

Check Reclining Motor (Passenger Side)

NIS000I7

1. 

CHECK RECLINING MOTOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor connector.

3.

Check voltage between reclining motor connector and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

3 (LG) - 1 (LG)

: Continuity should exist.

4 (P) - 2 (P) 

: Continuity should exist.

3 (LG) - Ground

: Continuity should not exist.

4 (P) - Ground

: Continuity should not exist.

PIIB4545E

Terminal

Condition

Continuity

3

12

FORWARD SW: ON

Yes

Other than above

No

4

BACKWARD SW: ON

Yes

Other than above

No

PIIB4546E

Connector

Terminal

(Wire Color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

B513

1

Ground

FORWARD SW: ON

Battery voltage

Other than above

0

2

BACKWARD SW: ON

Battery voltage

Other than above

0

PIIB4543E