Infiniti G37 Coupe. Manual — part 1101

SE-72

< COMPONENT DIAGNOSIS >

SLIDING MOTOR

2.

Disconnect passenger seat control unit connector and sliding motor connector.

3.

Check continuity between passenger seat control unit harness connector and sliding motor harness con-
nector.

4.

Check continuity between passenger seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK SLIDING MOTOR

Refer to

SE-72, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Replace passenger seat control unit. Refer to

SE-165, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

PASSENGER SIDE : Component Inspection

INFOID:0000000001907882

1.

CHECK SLIDING MOTOR-1

Check visually the sliding motor to see if any foreign object is not disturbing the functioning or if the sliding
motor is not broken.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace seat cushion frame (sliding motor).

2.

CHECK SLIDING MOTOR-2

1.

Turn ignition switch OFF.

2.

Disconnect sliding motor connector.

3.

Supply sliding motor terminals with battery voltage and check operation.

Is the inspection result normal?

YES

>> Sliding motor is OK.

NO

>> Replace sliding motor. (Built in seat cushion frame.)

passenger seat control unit

connector

Terminal

Sliding motor

connector

Terminal

Continuity

B553

35

B567

35

Existed

42

42

passenger seat control unit

connector

Terminal

Ground

Continuity

B553

35

Not existed

42

Terminal

Operation

(+)

(–)

35

42

Forward

42

35

Backward

RECLINING MOTOR

SE-73

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

RECLINING MOTOR

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000001694116

With the power supplied to power seat switch, reclining motor operates the forward and backward movement
of seatback.

DRIVER SIDE : Component Function Check

INFOID:0000000001694117

1.

CHECK RECLINING MOTOR FUNCTION

Check reclining operation with power seat switch.

Is the inspection results normal?

YES

>> Reclining motor is OK.

NO

>> Refer to

SE-73, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000001694118

1.

CHECK RECLINING MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor connector and reclining relay.

3.

Check continuity between reclining motor harness connector and reclining relay harness connector.

4.

Check continuity between reclining motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK RECLINING MOTOR

Check reclining motor.
Refer to

SE-73, "DRIVER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Replace reclining motor. (Built in seat reclining frame.)

DRIVER SIDE : Component Inspection

INFOID:0000000001694119

1.

CHECK RECLINING MOTOR-1

Check visually reclining motor to see if any foreign object is not disturbing the functioning or if the reclining
motor is not broken.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace seatback frame (reclining motor).

2.

CHECK RECLINING MOTOR-2

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor connector.

3.

Supply reclining motor terminals with battery voltage and check operation.

Reclining motor connector

Terminal

Reclining relay connector

Terminal

Continuity

B524

15

B518 (backward)

15

Existed

71

B517 (forward)

71

Reclining motor connector

Terminal

Ground

Continuity

B524

15

Ground

Not existed

71

SE-74

< COMPONENT DIAGNOSIS >

RECLINING MOTOR

Is the inspection result normal?

YES

>> Reclining motor is OK.

NO

>> Replace reclining motor. (Built in seatback frame.)

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001826367

With the power supplied to power seat switch, reclining motor operates the forward and backward movement
of seatback.

PASSENGER SIDE : Component Function Check

INFOID:0000000001826368

1.

CHECK RECLINING MOTOR FUNCTION

Check reclining operation with power seat switch.

Is the inspection results normal?

YES

>> Reclining motor is OK.

NO

>> Refer to

SE-74, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001826369

1.

CHECK RECLINING MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor connector and reclining relay.

3.

Check continuity between reclining motor harness connector and reclining relay harness connector.

4.

Check continuity between reclining motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK RECLINING MOTOR

Check reclining motor.
Refer to

SE-74, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Replace reclining motor. (Built in seat reclining frame.)

PASSENGER SIDE : Component Inspection

INFOID:0000000001826370

1.

CHECK RECLINING MOTOR-1

Check visually reclining motor to see if any foreign object is not disturbing the functioning or if the reclining
motor is not broken.

Terminal

Operation

(+)

(–)

71

15

Forward

15

71

Backward

Reclining motor connector

Terminal

Reclining relay connector

Terminal

Continuity

B566

15

B563 (backward)

15

Existed

71

B562 (forward)

71

Reclining motor connector

Terminal

Ground

Continuity

B566

15

Ground

Not existed

71

RECLINING MOTOR

SE-75

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace seatback frame (reclining motor).

2.

CHECK RECLINING MOTOR-2

1.

Turn ignition switch OFF.

2.

Disconnect reclining motor connector.

3.

Supply reclining motor terminals with battery voltage and check operation.

Is the inspection result normal?

YES

>> Reclining motor is OK.

NO

>> Replace reclining motor. (Built in seatback frame.)

Terminal

Operation

(+)

(–)

71

15

Forward

15

71

Backward