Infiniti G35 (V35). Manual - part 750

SE-102

POWER SEAT

Check Driver Seat Control Unit Power Supply and Ground Circuit

NIS000I0

1. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Check voltage between driver seat control unit B324 terminals 1,
8 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Check the following.

●

50A fusible link (letter F , located in fuse and fusible
link box.)

●

10A fuse [No.18, located in fuse block (J/B)]

●

Harness for open or short between driver seat control unit and fuse.

2. 

CHECK GROUND CIRCUIT

1.

Disconnect driver side control unit connector.

2.

Check continuity between driver side control unit B324 terminal
6 and ground.

OK or NG

OK

>> Driver seat control unit power supply and ground circuit

are OK. Further inspection is necessary, Refer to symp-
tom chart.

NG

>> Repair or replace harness.

Check Passenger Seat Control Unit Power Supply and Ground Circuit

NIS000I1

1. 

CHECK FUSE

●

Check 10A fuse [No. 18, located in the fuse block (J/B)].

NOTE:
Refer to 

RF-10, "Component Parts and Harness Connector Location"

OK or NG

OK

>> GO TO 2.

NG

>> If fuse blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to 

PG-3,

"POWER SUPPLY ROUTING CIRCUIT"

2. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Check voltage between passenger seat control unit connector
B502 terminals 1, 8 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 4.

1 (R) – Ground

: Battery voltage

8 (R/W) – Ground

: Battery voltage

PIIA4056E

6 (B) – Ground

: Continuity should exist.

PIIA4057E

1 (R) – Ground

: Battery voltage

8 (R/W) – Ground

: Battery voltage

PIIA4058E

POWER SEAT

SE-103

C

D

E

F

G

H

J

K

L

M

A

B

SE

3. 

CHECK GROUND CIRCUIT

1.

Disconnect passenger seat control unit connector.

2.

Check continuity between passenger seat control unit connector
B502 terminal 6 and ground.

OK or NG

OK

>> Passenger seat control unit power supply and ground

circuit are OK, Further inspection is necessary. Refer to
symptom chart.

NG

>> Repair or replace harness.

4. 

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect BCM and passenger seat control unit connector.

2.

Check continuity between BCM connector M2 terminal 54 and
passenger seat control unit connector B502 terminal 1.

3.

Check continuity between BCM connector M2 terminal 54 and
ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between BCM and passenger

seat control unit.

5. 

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM connector M2 terminal 54 and
ground.

OK or NG

OK

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

NG

>> Replace BCM.

6 (B) – Ground

: Continuity should exist.

PIIA4059E

54 (W) – 1 (R)

: Continuity should exist.

54 (W) – Ground

: Continuity should not exist.

PIIB0135E

54 (W) – Ground

: Battery voltage

PIIB0136E

SE-104

POWER SEAT

Check Sliding Switch (Driver Side)

NIS000I2

1. 

CHECK SLIDING SWITCH INPUT SIGNAL

Check voltage between seat control unit connector B324 terminals 7, 9 and ground.

OK or NG

OK

>> Sliding switch input signal OK.

NG

>> GO TO 2.

2. 

CHECK SLIDING SWITCH CIRCUIT

1.

Disconnect seat control unit and power seat switch connector.

2.

Check continuity between seat control unit connector B324 ter-
minals 7, 9 and power seat switch connector B326 terminals 5,
6.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between seat control unit and

power seat switch.

3. 

CHECK SLIDING SWITCH 

Check continuity between power seat switch connector B326 terminals 5, 6 and 11.

OK or NG

OK

>> GO TO 4.

NG

>> Replace power seat switch.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

B324

7 (Y)

Ground

FORWARD SW: ON

0

Other than above

Battery voltage

9 (BR)

BACKWARD SW: ON

0

Other than above

Battery voltage

PIIB1088E

7 (Y) – 5 (Y)

: Continuity should exist.

9 (BR) – 6 (BR)

: Continuity should exist.

PIIB4537E

Terminals

Power seat switch

Continuity 

5 

11

FORWARD SW: ON

Yes

Other than above

No

6

BACKWARD SW: ON

Yes

Other than above

No

PIIB4538E

POWER SEAT

SE-105

C

D

E

F

G

H

J

K

L

M

A

B

SE

4. 

CHECK POWER SEAT SWITCH GROUND CIRCUIT

Check continuity between power seat switch connector B326 termi-
nal 11 and ground.

OK or NG

OK

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

NG

>> Repair or replace harness.

Check Sliding Switch (Passenger Side)

NIS000I3

1. 

CHECK SLIDING SWITCH (PASSENGER SIDE)

Check voltage between seat control unit connector B502 terminals 7,
9 and ground.

OK or NG

OK

>> Sliding switch input signal OK.

NG

>> GO TO 2.

2. 

CHECK SLIDING SWITCH CIRCUIT

1.

Disconnect seat control unit and power seat switch connector.

2.

Check continuity between seat control unit connector B502 ter-
minals 7, 9 and power seat switch connector B503 terminals 5,
6.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between seat control unit

and power seat switch.

11 (B) – Ground

: Continuity should exist.

PIIB4539E

Connector

Terminal

(Wire Color)

Condition

Voltage (V)

(Approx.)

(+)

(-)

B502

7 (Y)

Ground

FORWARD SW: ON

Battery voltage

Other than above

0

9 (BR)

BACKWARD SW: ON

Battery voltage

Other than above

0

PIIB1088E

7 (Y) - 6 (Y)

: Continuity should exist.

9 (BR) - 5 (BR)

: Continuity should exist.

PIIB4540E