Infiniti QX56 (Z62). Manual - part 415

 

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Infiniti QX56 (Z62). Manual - part 415

 

 

DLK-126

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Check for internal short of each door lock actuator and fuel lid lock actuator.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

REAR RH

REAR RH : Component Function Check

INFOID:0000000006225937

1.

CHECK FUNCTION

1.

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

2.

Select “DOOR LOCK” in “ACTIVE TEST” mode.

3.

Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.

Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to 

DLK-126, "REAR RH : Diagnosis Procedure"

.

REAR RH : Diagnosis Procedure

INFOID:0000000006225938

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect rear door lock assembly RH connector.

3.

Check voltage between rear door lock assembly RH harness connector and ground.

Is the inspection result normal?

BCM

Rear door lock assembly LH

Continuity 

Connector

Terminal

Connector

Terminal

M69

55

D65

2

Existed

M70

65

1

BCM

Ground

Continuity 

Connector

Terminal

M69

55

Not existed

M70

65

(+)

(–)

Condition

Voltage

(Approx.)

BCM

Connector

Terminal

M69

55

Ground

Door lock and unlock switch

Unlock

12 V

M70

65

Lock

(+)

(–)

Condition

Voltage

(Approx.)

Rear door lock assembly RH

Connector

Terminal

D45

1

Ground

Door lock and unlock switch

Unlock

12 V

2

Lock

DOOR LOCK ACTUATOR

DLK-127

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

YES

>> Replace rear door lock assembly RH.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK ACTUATOR CIRCUIT

1.

Disconnect BCM, all door lock actuators and fuel lid lock actuator connector.

2.

Check continuity between BCM harness connector and rear door lock assembly RH harness connector. 

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Check for internal short of each door lock actuator and fuel lid lock actuator.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

BCM

Rear door lock assembly RH

Continuity 

Connector

Terminal

Connector

Terminal

M69

55

D45

1

Existed

M70

65

2

BCM

Ground

Continuity 

Connector

Terminal

M69

55

Not existed

M70

65

(+)

(–)

Condition

Voltage

(Approx.)

BCM

Connector

Terminal

M69

55

Ground

Door lock and unlock switch

Unlock

12 V

M70

65

Lock

DLK-128

< DTC/CIRCUIT DIAGNOSIS >

FUEL LID LOCK ACTUATOR

FUEL LID LOCK ACTUATOR

Component Function Check

INFOID:0000000006225939

1.

CHECK FUNCTION

1.

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

2.

Select “DOOR LOCK” in “ACTIVE TEST” mode.

3.

Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.

Is the inspection result normal?

YES

>> Fuel lid lock actuator is OK.

NO

>> Refer to 

DLK-128, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006225940

1.

CHECK FUEL LID LOCK ACTUATOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect fuel lid lock actuator connector.

3.

Check voltage between fuel lid lock actuator harness connector and ground.

Is the inspection result normal?

YES

>> Replace fuel lid lock actuator.

NO

>> GO TO 2.

2.

CHECK FUEL LID LOCK ACTUATOR CIRCUIT

1.

Disconnect BCM, all door lock actuators connector.

2.

Check continuity between BCM harness connector and fuel lid lock actuator harness connector. 

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM harness connector and ground.

(+)

(–)

Condition

Voltage

(Approx.)

Fuel lid lock actuator

Connector

Terminal

B19

1

Ground

Door lock and unlock 
switch

Unlock

12 V

2

Lock

BCM

Fuel lid lock actuator 

Continuity 

Connector

Terminal

Connector

Terminal

M70

65

B19

2

Existed

66

1

BCM

Ground

Continuity 

Connector

Terminal

M70

65

Not existed

66

FUEL LID LOCK ACTUATOR

DLK-129

< 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

>> Check for internal short of each door lock actuator.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

(+)

(–)

Condition

Voltage

(Approx.)

BCM

Connector

Terminal

M70

65

Ground

Door lock and unlock switch

Lock

12 V

66

Unlock

 

 

 

 

 

 

 

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