Infiniti G35 (V35). Manual - part 753

SE-114

POWER SEAT

2. 

CHECK PASSENGER SIDE DOOR SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect passenger side seat control unit and passenger side door switch connector.

3.

Check continuity between seat control unit connector B502
(passenger side) terminal 16 and door switch connector B410
(passenger side) terminal 1.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between seat control unit and

door switch.

3. 

CHECK PASSENGER SIDE DOOR SWITCH 

Check continuity between door switch B410 (passenger side) terminal 1 and ground part of door switch.

OK or NG

OK

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

NG

>> Replace malfunction door switch.

Check Passenger Side Seat Belt Buckle Switch

NIS000IB

1. 

CHECK PASSENGER SIDE SEAT BELT BUCKLE SWITCH SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between seat control unit connector B502 (passenger side) terminal 5 and ground.

OK or NG

OK

>> Seat belt buckle switch is OK.

NG

>> GO TO 2.

16 (R/W) – 1 (P)

: Continuity should exist.

PIIA4069E

Terminals

Door switch

Continuity

1

Ground part of 

door switch

Pushed

No

Released

Yes

PIIA3351E

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

5 (W)

Ground

When seat belt is fastened

5

Other than above

0

PIIA4070E

POWER SEAT

SE-115

C

D

E

F

G

H

J

K

L

M

A

B

SE

2. 

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect seat control unit and seat belt buckle switch connector.

3.

Check continuity between seat control unit (passenger side)
connector B502 terminal 5 and seat belt buckle switch (passen-
ger side) connector B406 terminal 1.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness between seat control unit and

seat belt buckle switch.

3. 

CHECK SEAT BELT  BUCKLE SWITCH

Check continuity between seat belt buckle switch (passenger side) terminals 1 and 2.

OK or NG

OK

>> GO TO 4.

NG

>> Replace seat belt buckle switch.

4. 

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

Check continuity between seat belt buckle switch (passenger side)
connector B406 terminal 2 and ground.

OK or NG

OK

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

NG

>> Repair or replace harness.

5 (W) – 1 (LG)

: Continuity should exist.

PIIA4071E

Terminals

Condition

Continuity

1

2

When seat belt is fastened

No

Other than above

Yes

PIIA4072E

2 (B) – Ground

: Continuity should exist.

PIIA4662E

SE-116

POWER SEAT

Check Door Switch and Seat Belt Buckle Switch

NIS000IC

1. 

CHECK DOOR SWITCH AND SEAT BELT SWITCH SIGNAL

Check voltage between driver side seat control unit connector and ground.

OK or NG

OK

>> Door switch and seat belt buckle switch is OK.

NG

>> GO TO 2.

2. 

CHECK POWER WALK–IN RELAY POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power walk-in relay.

3.

Check voltage between power walk-in relay connector B347 ter-
minal 3 and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 3.

3. 

CHECK HARNESS CONTINUITY 1

1.

Disconnect driver seat control unit.

2.

Check continuity between driver seat control unit connector
B324 terminal 16 and power walk-in relay connector B347 termi-
nal 3.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness between driver seat control

unit and power walk-in relay.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

B324

16 

(G/W)

Ground

When seat belt is unfastened 
and door is open

0

Other than above

Battery voltage

PIIA4068E

3 (G/W) – Ground

: Battery voltage

PIIA4658E

16 (G/W) – 3 (G/W)

: Continuity should exist.

PIIA4659E

POWER SEAT

SE-117

C

D

E

F

G

H

J

K

L

M

A

B

SE

4. 

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1.

Connect driver seat control unit connector.

2.

Check voltage between driver seat control unit connector B324
terminal 16 and ground.

OK  or NG

OK

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

NG

>> Replace driver seat control unit.

5. 

CHECK POWER WALK–IN RELAY GROUND CIRCUIT

Check continuity between power walk-in relay connector and ground.

OK or NG

OK

>> GO TO 9.

NG

>> GO TO 6.

6. 

CHECK HARNESS CONTINUITY 2

1.

Disconnect seat belt buckle switch connector.

2.

Check continuity between power walk-in relay connector B347
terminal 5 and seat belt buckle switch (driver side) connector B8
terminal 1.

OK or NG

OK

>> GO TO 7.

NG

>> Repair or replace harness between power walk-in relay

and seat belt buckle switch (driver side)

7. 

CHECK SEAT BELT  BUCKLE SWITCH

Check continuity between seat belt buckle switch (driver side) connector B8 terminal 1 and 2.

OK or NG

OK

>> GO TO 8.

NG

>> Replace seat belt buckle switch (driver side).

16 (G/W) – Ground 

: Battery voltage

PIIA4068E

Con-

nector

Terminals

Condition

Continuity

B347

5 (B)

Ground

When seat belt is fastened

No

Other than above

Yes

PIIA4660E

5 (B) – 1 (BR)

: Continuity should exist.

PIIA4661E

Termi-

nals

Terminal

Condition

Continuity

B8

1

2

When seat belt is fastened

No

Other than above

Yes

PIIA4072E