Infiniti QX56 (Z62). Manual - part 413

 

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Infiniti QX56 (Z62). Manual - part 413

 

 

DLK-118

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

Check continuity between door switch harness connector and BCM harness connector.

3.

Check continuity between door switch harness connector and ground.

(+)

(–)

Signal

(Reference value)

Door switch

Connector

Terminal

Driver side

B34

1

Ground

7.0 - 8.0 V

Passenger side

B220

7.0 - 8.0 V

Rear LH

B71

7.0 - 8.0 V

Rear RH

B221

7.0 - 8.0 V

PKIB4960J

PKIB4960J

PKIB4960J

PKIB4960J

Door switch

BCM

Continuity 

Connector

Terminal

Connector

Terminal

Driver side

B34

1

M69

47

Existed

Passenger side

B220

45

Rear LH

B71

48

Rear RH

B221

46

DOOR SWITCH

DLK-119

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCH GROUND CIRCUIT

Check continuity between door switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR SWITCH 

Refer to 

DLK-119, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace malfunctioning door switch.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END 

Component Inspection

INFOID:0000000006225923

1.

CHECK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect malfunctioning door switch connector.

3.

Check continuity between door switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace malfunction door switch.

Door switch

Ground

Continuity 

Connector

Terminal

Driver side

B34

1

Not existed

Passenger side

B220

Rear LH

B71

Rear RH

B221

Door switch

Ground

Continuity 

Connector

Terminal

B34

3

Existed

B220

B71

B221

Door switch

Condition

Continuity

Terminal

1

3

Door switch

Pressed

Not existed

Released

Existed

DLK-120

< DTC/CIRCUIT DIAGNOSIS >

BACK DOOR SWITCH

BACK DOOR SWITCH

Component Function Check

INFOID:0000000006225924

1.

CHECK FUNCTION

1.

Select “DOOR LOCK” of “BCM” using CONSULT-III.

2.

Select “DOOR SW-BK” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-120, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006225925

1.

CHECK BACK DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly connector.

3.

Check signal between back door lock assembly harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

Check continuity between back door lock assembly harness connector and BCM harness connector.

3.

Check continuity between back door lock assembly harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

NO

>> Repair or replace harness.

Monitor item

Condition

Status

DOOR SW-BK

Driver side door

Open

On

Closed

Off

(+)

(–)

Signal

(Reference value)

Back door lock assembly

Connector

Terminal

D157

7

Ground

9.0 - 10.0 V

JPMIA0593GB

Back door lock assembly

BCM

Continuity 

Connector

Terminal

Connector

Terminal

D157

7

M69

43

Existed

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D157

7

Not existed

BACK DOOR SWITCH

DLK-121

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3.

CHECK BACK DOOR SWITCH GROUND CIRCUIT

Check continuity between back door lock assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR SWITCH 

Refer to 

DLK-121, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door lock assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END 

Component Inspection

INFOID:0000000006225926

1.

CHECK BACK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly connector.

3.

Check continuity between back door lock assembly terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace back door lock assembly.

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D157

8

Existed

Back door lock assembly

Condition

Continuity

Terminal

7

8

Door switch

Pressed

Not existed

Released

Existed

 

 

 

 

 

 

 

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