Infiniti G37 Coupe. Manual - part 377

 

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Infiniti G37 Coupe. Manual - part 377

 

 

DOOR LOCK AND UNLOCK SWITCH

DLK-69

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector and power window main switch connector.

3.

Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 4. 

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END 

DRIVER SIDE : Special Repair Requirement

INFOID:0000000001683066

Refer to 

PWC-4, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-

ment"

.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001683067

Transmits door lock/unlock operation to BCM.

PASSENGER SIDE : Component Function Check

INFOID:0000000001683068

1.

CHECK FUNCTION

With CONSULT-III

Check door lock and unlock switch (“CDL LOCK SW ”, “CDL UNLOCK SW”) in Data Monitor mode with CON-
SULT-III.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> Refer to 

DLK-69, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001879567

1.

CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

1.

Door of driver side and passenger side is closed.

2.

Check signal between BCM harness connector and ground with oscilloscope when door lock and unlock
switch (passenger side) is turned to “LOCK” or “UNLOCK”.

BCM connector

Terminal

Power window main switch

connector

Terminal

Continuity

M123

132

D8

12

Existed

BCM connector

Terminal

Ground

Continuity 

M123

132

Not existed

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

DLK-70

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

DOOR LOCK AND UNLOCK SWITCH

3.

Check that signals which are shown in the figure below can be detected during 10 seconds just after door
lock and unlock switch (passenger side) is turned to “LOCK” or “UNLOCK”.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW SWITCH GROUND

1.

Turn ignition switch OFF.

2.

Disconnect power window sub-switch connector.

3.

Check continuity between power window sub-switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector and power window sub-switch connector.

3.

Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 4. 

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END 

PASSENGER SIDE : Special Repair Requirement

INFOID:0000000001683070

Refer to 

PWC-4, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-

ment"

.

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M123

132

Ground

JPMIA0013GB

Power window sub-switch connector

Terminal

Continuity

D38

11

Ground

Existed

BCM connector

Terminal

Power window sub-switch

connector

Terminal

Continuity

M123

132

D38

16

Existed

BCM connector

Terminal

Ground

Continuity 

M123

132

Not existed

KEY SLOT

DLK-71

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

KEY SLOT

Description

INFOID:0000000001683071

Detects whether Intelligent Key is inserted.
Immobilizer antenna amp checks Intelligent Key transponder.

Component Function Check

INFOID:0000000001683072

1.

CHECK FUNCTION

With CONSULT-III

Check key slot (“KEY SW -SLOT”) in Data Monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Key slot is OK.

NO

>> Refer to 

DLK-71, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001683073

1.

CHECK KEY SLOT POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check voltage between slot harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace key slot power supply circuit.

2.

CHECK KEY SLOT GROUND CIRCUIT

Check continuity between key slot harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace key slot ground circuit.

3.

CHECK KEY SLOT CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and key slot harness connector.

3.

Check continuity between BCM harness connector and ground.

Monitor item

Condition

KEY SW-SLOT

Key is inserted in key slot: ON

Key is removed from key slot: OFF

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Key slot connector

Terminal

M22

1

Ground

Battery voltage

5

Key slot connector

Terminal

Ground

Continuity

M22

7

Existed

BCM connector

Terminal

Key slot connector

Terminal

Continuity 

M123

121

M22

11

Existed

DLK-72

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

KEY SLOT

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness between BCM and key slot.

4.

CHECK KEY SLOT

Refer to 

DLK-72, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace key slot. Refer to 

DLK-243, "Removal and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END 

Component Inspection

INFOID:0000000001683074

1.

CHECK KEY SLOT

1.

Turn ignition switch OFF.

2.

Disconnect key slot connector.

3.

Check continuity between key slot terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace key slot. Refer to 

DLK-243, "Removal and Installation"

.

BCM connector

Terminal

Ground

Continuity 

M123

121

Not existed

Terminal

Condition

Continuity

Key slot

1

11

Intelligent Key inserted

Existed

Intelligent Key removed

Not existed

 

 

 

 

 

 

 

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