Nissan Frontier. Manual - part 250

DLK-46

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

1.

CHECK DOOR LOCK ACTUATOR SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between BCM connector M20 terminals 65, 66

and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

2.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and rear door lock actuator LH.

2. Check continuity between BCM connector (A) M20 terminals 65,

66 and rear door lock actuator LH connector (B) D205 terminals

1, 2.

Is the inspection result normal?

YES

>> Replace rear door lock actuator LH.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and each door lock actuator.

2. Check continuity between BCM connector M20 terminals 65, 66

and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

NO

>> Repair or replace harness.

REAR RH

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M20

65

Ground

Door lock/unlock switch 
is turned to LOCK

0 

→ Battery voltage 

for 300 ms

66

Door lock/unlock switch 
is turned to UNLOCK

LIIA1048E

Terminals

Continuity

65

2

Yes

66

1

ALKIA1192ZZ

Terminals

Continuity

65

Ground

No

66

No

ALKIA0631ZZ

DOOR LOCK ACTUATOR

DLK-47

< DTC/CIRCUIT DIAGNOSIS >

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REAR RH : Description

INFOID:0000000009478907

Locks/unlocks the door with the signal from BCM.

REAR RH : Component Function Check

INFOID:0000000009478908

1.

CHECK FUNCTION

1. Use CONSULT to perform Active Test "DOOR LOCK".

2. Touch “ALL LCK” or “ALL ULK” to check that it works normally.
Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to 

DLK-47, "REAR RH : Diagnosis Procedure"

.

REAR RH : Diagnosis Procedure

INFOID:0000000009478909

Regarding Wiring Diagram information, refer to 

DLK-87, "Wiring Diagram - Crew Cab"

.

1.

CHECK DOOR LOCK ACTUATOR SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between BCM connector M20 terminals 65, 66

and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 3

2.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and rear door lock actuator RH.

2. Check continuity between BCM connector (A) M20 terminals 65,

66 and rear door lock actuator RH connector (B) D305 terminals

1, 2. 

Is the inspection result normal?

YES

>> Replace rear door lock actuator RH.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK ACTUATOR HARNESS

1. Disconnect BCM and rear door lock actuator RH.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M20

65

Ground

Door lock/unlock switch 
is turned to LOCK

0 

→ Battery voltage 

for 300 ms

66

Door lock/unlock switch 
is turned to UNLOCK

LIIA1048E

Terminals

Continuity

65

2

Yes

66

1

ALKIA1192ZZ

DLK-48

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

2. Check continuity between BCM connector (A) M20 terminals 65,

66 and ground. 

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

NO

>> Repair or replace harness.

Terminals

Continuity

65

Ground

No

66

ALKIA0631ZZ

REMOTE KEYLESS ENTRY RECEIVER

DLK-49

< DTC/CIRCUIT DIAGNOSIS >

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REMOTE KEYLESS ENTRY RECEIVER

Description

INFOID:0000000009478910

Receives keyfob operation and transmits to BCM.

Component Function Check

INFOID:0000000009478911

1.

CHECK FUNCTION

With CONSULT

Check remote keyless entry receiver by pressing the keyfob lock and unlock buttons then monitoring "KEY-

LESS LOCK" and "KEYLESS UNLOCK" in Data Monitor mode "DOOR LOCK" with CONSULT.

Is the inspection result normal?

YES

>> Remote keyless entry receiver is OK.

NO

>> Refer to 

DLK-49, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009478912

Regarding Wiring Diagram information, refer to 

DLK-98, "Wiring Diagram - King Cab"

 or 

DLK-107, "Wiring

Diagram - Crew Cab"

.

1.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Check remote keyless entry receiver signal with an oscilloscope.

Monitor item

Condition

KEYLESS LOCK 

LOCK

: ON

UNLOCK

: OFF

KEYLESS UNLOCK 

LOCK

: OFF

UNLOCK

: ON

Terminals

Keyfob 

condition

Signal

(Reference value)

(+)

(–)

Remote 

keyless 

entry re-

ceiver 

connector

Terminal

M120

2

Ground

No function

Any button 
is pressed

PIIB6457E

LIIA1894E

LIIA1895E