Infiniti G37 Coupe. Manual - part 1097

SE-56

< COMPONENT DIAGNOSIS >

POWER WALK-IN SWITCH

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK POWER WALK-IN SWITCH CIRCUIT

1.

Disconnect passenger seat control unit connector and power walk-in switch connector.

2.

Check continuity between passenger seat control unit harness connector and power walk-in switch har-
ness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK POWER WALK-IN SWITCH GROUND CIRCUIT

Check continuity between power walk-in switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK PASSENGER SEAT CONTROL UNIT OUTPUT

1.

Connect passenger seat control unit connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace passenger seat control unit. Refer to 

SE-165, "Removal and Installation"

.

5.

CHECK POWER WALK-IN SWITCH

Refer to 

SE-57, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> Replace power walk-in switch.

Passenger seat control unit

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

B552

30

Ground

Power walk-

in switch

Pressed

0

Released

Battery voltage

Passenger seat control unit

Power walk-in switch

Continuity

Connector

Terminal

Connector

Terminal

B552

30

B557

30

Existed

Passenger seat control unit

Ground

Continuity 

Connector

Terminal

B552

30

Ground

Not existed

Power walk-in switch

Ground

Continuity

Connector

Terminal

B557

32

Ground

Existed

Passenger seat control unit

Ground

Voltage (V)

(Approx.)

Connector

Terminal

B552

30

Ground

Battery voltage

POWER WALK-IN SWITCH

SE-57

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

PASSENGER SIDE : Component Inspection

INFOID:0000000001831345

1.

CHECK POWER WALK-IN SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect power walk-in switch connector.

3.

Check continuity between power walk-in switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace power walk-in switch.

Power walk-in switch

Condition

Continuity

Terminal

30

32

Power walk-in 
switch

Pressed

Not existed

Released

Existed

SE-58

< COMPONENT DIAGNOSIS >

DOOR SWITCH

DOOR SWITCH

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000001879548

Detects front door (driver side) open/close condition.

DRIVER SIDE : Component Function Check

INFOID:0000000001879549

1.

CHECK FUNCTION

1.

Select “DOOR SW-DR” in “Data Monitor” mode with CONSULT-III.

2.

Check the driver side door switch signal under the following conditions. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis procedure. Refer to 

SE-58, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000001879550

1.

CHECK DRIVER SIDE DOOR SWITCH SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between BCM connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK DRIVER SIDE DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector and driver side door switch connector.

2.

Check continuity between BCM connector and driver side door switch connector.

3.

Check continuity between BCM connector and ground.

Monitor item

Condition

Status

DOOR SW-DR

Driver side door

Open

ON

Close

OFF

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

BCM

connector

Terminal

M123

150

Ground

Driver side door

Open

0

Close

JPMIA0011GB

BCM connector

Terminal

Door switch

connector

Terminal

Continuity 

M123

150

B16

2

Existed

BCM connector

Terminal

Ground

Continuity 

M123

150

Not existed

DOOR SWITCH

SE-59

< 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 3.

NO

>> Repair or replace harness.

3.

CHECK DRIVER SIDE DOOR SWITCH 

Refer to 

SE-60, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace driver side door switch.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace BCM. 

NO

>> Repair or replace the malfunctioning part.

DRIVER SIDE : Component Inspection

INFOID:0000000001879551

1.

CHECK DRIVER SIDE DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect driver side door switch connector.

3.

Check continuity between driver side door switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace driver side door switch.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001879556

Detects front door (passenger side) open/close condition.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001879558

1.

CHECK PASSENGER SIDE DOOR SWITCH SIGNAL

1.

Turn ignition switch OFF.

2.

Check signal between passenger seat control unit connector and ground with oscilloscope.

Terminal

Condition

Continuity

Driver side door switch

2

Ground part of door 

switch

Driver side door switch

Pressed

Not existed

Released

Existed

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

Passenger 

seat control 

unit connector

Terminal

B552

8

Ground

Front door

(passenger side)

Open

0

Close

PKIB4960J