Infiniti QX56 (Z62). Manual - part 425

DLK-166

< DTC/CIRCUIT DIAGNOSIS >

INTEGRATED HOMELINK TRANSMITTER

INTEGRATED HOMELINK TRANSMITTER

Component Function Check

INFOID:0000000006256149

1.

CHECK FUNCTION

Check that system receiver (garage door opener, etc.) operates with original hand-held transmitter.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Receiver or hand-held transmitter is malfunctioning.

2.

CHECK ILLUMINATE

1.

Turn ignition switch OFF.

2.

Does red light of transmitter illuminate when any transmitter button is pressed?

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Refer to 

DLK-166, "Diagnosis Procedure"

.

3.

CHECK TRANSMITTER

Check transmitter with Tool*.
*:For details, refer to Technical Service Bulletin.

Is the inspection result normal?

YES

>> Receiver or hand-held transmitter malfunction, not vehicle related.

NO

>> Replace auto anti-dazzling inside mirror (integrated homelink transmitter).

Diagnosis Procedure

INFOID:0000000006256150

1.

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect auto anti-dazzling inside mirror (integrated homelink transmitter) connector.

3.

Check voltage between auto anti-dazzling inside mirror (integrated homelink transmitter) harness connec-
tor and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO-1

>> Check 10 A fuse [No. 6 located in the fuse block (J/B)].

NO-2

>> Harness for open or short between fuse and auto anti-dazzling inside mirror (integrated homelink

transmitter).

2.

CHECK GROUND CIRCUIT

Check continuity between auto anti-dazzling inside mirror (integrated homelink transmitter) harness connector
and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

(+)

(–)

Voltage

(Approx.)

Auto anti-dazzling inside mirror

(Integrated homelink transmitter)

Connector

Terminal 

R25

6

Ground

Battery voltage

10

Auto anti-dazzling inside mirror

(Integrated homelink transmitter)

Ground

Continuity 

Connector

Terminal

R25

8

Existed

INTEGRATED HOMELINK TRANSMITTER

DLK-167

< DTC/CIRCUIT DIAGNOSIS >

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3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

DLK-168

< SYMPTOM DIAGNOSIS >

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH

SYMPTOM DIAGNOSIS

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK
SWITCH

ALL DOOR

ALL DOOR : Description

INFOID:0000000006225994

All doors do not lock/unlock using door lock and unlock switch.

ALL DOOR : Diagnosis Procedure

INFOID:0000000006225995

1.

CHECK DOOR LOCK AND UNLOCK SWITCH

Check door lock and unlock switch.
• Driver side: Refer to 

DLK-122, "DRIVER SIDE : Component Function Check"

. 

• Passenger side: Refer to 

DLK-122, "PASSENGER SIDE : Component Function Check"

. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK DOOR LOCK ACTUATOR

Check front door lock assembly (driver side).
Refer to 

DLK-123, "DRIVER SIDE : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000006225996

Driver side door does not lock/unlock using door lock and unlock switch.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000006225997

1.

CHECK DOOR LOCK ACTUATOR

Check front door lock assembly (driver side).
Refer to 

DLK-123, "DRIVER SIDE : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.
Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

PASSENGER SIDE

DOOR DOES NOT LOCK/UNLOCK WITH DOOR LOCK AND UNLOCK SWITCH

DLK-169

< SYMPTOM DIAGNOSIS >

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PASSENGER SIDE : Description

INFOID:0000000006225998

Passenger side door does not lock/unlock using door lock and unlock switch.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000006225999

1.

CHECK DOOR LOCK ACTUATOR

Check front door lock assembly (passenger side).
Refer to 

DLK-124, "PASSENGER SIDE : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.
Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

REAR LH

REAR LH : Description

INFOID:0000000006226000

Rear LH side door does not lock/unlock using door lock and unlock switch.

REAR LH : Diagnosis Procedure

INFOID:0000000006226001

1.

CHECK DOOR LOCK ACTUATOR

Check rear door lock assembly LH.
Refer to 

DLK-125, "REAR LH : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

REAR RH

REAR RH : Description

INFOID:0000000006226002

Rear RH side door does not lock/unlock using door lock and unlock switch.

REAR RH : Diagnosis Procedure

INFOID:0000000006226003

1.

CHECK DOOR LOCK ACTUATOR

Check rear door lock assembly RH.
Refer to 

DLK-126, "REAR RH : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

REPLACE BCM

• Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.