Infiniti G37 Coupe. Manual — part 1092

SE-36

< COMPONENT DIAGNOSIS >

POWER SEAT SWITCH

Is the inspection result normal?

YES

>> Power seat switch (front lifting switch) is OK.

NO

>> Replace power seat switch. Refer to

SE-167, "Removal and Installation"

.

5.

CHECK LIFTING SWITCH (REAR)

Check continuity between power seat switch terminals.

Is the inspection result normal?

YES

>> Power seat switch (rear lifting switch) is OK.

NO

>> Replace power seat switch. Refer to

SE-167, "Removal and Installation"

.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001772477

With a built-in reclining switch, sliding switch and lifting switch, power seat switch controls the power supplied
to each motor.

PASSENGER SIDE : Component Function Check

INFOID:0000000001772478

1.

CHECK POWER SEAT SWITCH FUNCTION

Check power seat operation with power seat switch.

Is the inspection results normal?

YES

>> Power seat switch is OK.

Terminal

Switch condition

Continuity

28

33

Up

Existed

Neutral

Not existed

Down

Not existed

13

Up

Not existed

Neutral

Not existed

Down

Existed

28

48

Up

Not existed

Neutral

Not existed

Down

Existed

13

Up

Existed

Neutral

Not existed

Down

Not existed

Terminal

Switch condition

Continuity

29

33

Up

Existed

Neutral

Not existed

Down

Not existed

14

Up

Not existed

Neutral

Not existed

Down

Existed

29

48

Up

Not existed

Neutral

Not existed

Down

Existed

14

Up

Existed

Neutral

Not existed

Down

Not existed

POWER SEAT SWITCH

SE-37

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

NO

>> Refer to

SE-37, "PASSENGER SIDE : Diagnosis Procedure"

..

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001772792

1.

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector.

3.

Check continuity between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between power seat switch harness connector and BCM harness connector.

3.

Check continuity between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM.

NO

>> Repair or replace harness.

3.

CHECK GROUND

Check continuity between power seat switch and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK GROUND CIRCUIT

1.

Disconnect passenger seat control unit connector.

2.

Check continuity between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Repair or replace harness.

5.

CHECK POWER SEAT SWITCH

Power seat switch

Ground

Voltage (V)

(Approx.)

Connector

Terminal

B554

33

Ground

Battery voltage

Power seat switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

B554

33

M118

2

Existed

Power seat switch

Ground

Continuity

Connector

Terminal

B554

33

Ground

Not existed

Power seat switch

Ground

Continuity

Connector

Terminal

B554

48

Ground

Existed

Power seat switch

Ground

Continuity

Connector

Terminal

B554

48

Ground

Existed

SE-38

< COMPONENT DIAGNOSIS >

POWER SEAT SWITCH

Check power seat switch function.
Refer to

SE-38, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Power seat switch is OK.

NO

>> Replace power seat switch.

PASSENGER SIDE : Component Inspection

INFOID:0000000001904496

1.

CHECK POWER SEAT SWITCH

1.

Turn ignition switch OFF.

2.

Remove power seat switch.

3.

Detect the malfunctioning switch.

Which switch is malfunctioning?

RECLINING SWITCH>>GO TO 2.
SLIDING SWITCH>>GO TO 3.
LIFTING SWITCH (FRONT)>>GO TO 4.
LIFTING SWITCH (REAR)>>GO TO 5.

2.

CHECK RECLINING SWITCH

Check continuity between power seat switch terminals.

Is the inspection result normal?

YES

>> Power seat switch (reclining switch) is OK.

NO

>> Replace power seat switch. Refer to

SE-167, "Removal and Installation"

.

3.

CHECK SLIDING SWITCH

Check continuity between power seat switch terminals.

Is the inspection result normal?

YES

>> Power seat switch (sliding switch) is OK.

NO

>> Replace power seat switch. Refer to

SE-167, "Removal and Installation"

.

Terminal

Switch condition

Continuity

27

33

Forward

Existed

Neutral

Not existed

Backward

Not existed

12

Forward

Not existed

Neutral

Not existed

Backward

Existed

27

48

Forward

Not existed

Neutral

Not existed

Backward

Existed

12

Forward

Existed

Neutral

Not existed

Backward

Not existed

Terminal

Switch condition

Continuity

22

33

Forward

Existed

Neutral

Not existed

Backward

Not existed

23

Forward

Not existed

Neutral

Not existed

Backward

Existed

POWER SEAT SWITCH

SE-39

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

4.

CHECK LIFTING SWITCH (FRONT)

Check continuity between power seat switch terminals.

Is the inspection result normal?

YES

>> Power seat switch (front lifting switch) is OK.

NO

>> Replace power seat switch. Refer to

SE-167, "Removal and Installation"

.

5.

CHECK LIFTING SWITCH (REAR)

Check continuity between power seat switch terminals.

Is the inspection result normal?

YES

>> Power seat switch (rear lifting switch) is OK.

NO

>> Replace power seat switch. Refer to

SE-167, "Removal and Installation"

.

Terminal

Switch condition

Continuity

28

33

Up

Existed

Neutral

Not existed

Down

Not existed

13

Up

Not existed

Neutral

Not existed

Down

Existed

28

48

Up

Not existed

Neutral

Not existed

Down

Existed

13

Up

Existed

Neutral

Not existed

Down

Not existed

Terminal

Switch condition

Continuity

29

33

Up

Existed

Neutral

Not existed

Down

Not existed

14

Up

Not existed

Neutral

Not existed

Down

Existed

29

48

Up

Not existed

Neutral

Not existed

Down

Existed

14

Up

Existed

Neutral

Not existed

Down

Not existed