Nissan Frontier. Manual - part 247

DLK-34

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK AND UNLOCK SWITCH

2. Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock

switch connector D7 terminal 10 or power window and door lock/unlock switch RH connector D105 termi-

nal 1.

3. Check continuity between BCM connector M19 terminal 45 and

ground.

4. Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock

switch LH connector D7 terminal 11 or power window and door lock/unlock switch RH connector D105 ter-

minal 2.

5. Check continuity between BCM connector M19 terminal 46 and

ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

5.

CHECK BCM OUTPUT VOLTAGE

1. Connect BCM.

1 - 45

: Continuity should exist.

10 - 45

: Continuity should exist.

45 - Ground

: Continuity should not exist.

WIIA0630E

2 - 46

: Continuity should exist.

11 - 46

: Continuity should exist.

46 - Ground

: Continuity should not exist.

WIIA0631E

DOOR LOCK AND UNLOCK SWITCH

DLK-35

< DTC/CIRCUIT DIAGNOSIS >

C

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DLK

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2. Check voltage between BCM connector M19 terminals 45, 46

and ground.

Is the inspection result normal?

YES

>> Check condition of the harness and connector.

NO

>> Replace BCM. Refer to 

BCS-49, "Removal and Installa-

tion"

.

CREW CAB
CREW CAB : Description

INFOID:0000000009478891

Transmits door lock/unlock operation to BCM.

CREW CAB : Component Function Check

INFOID:0000000009478892

1.

CHECK FUNCTION

With CONSULT

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> Refer to 

DLK-35, "CREW CAB : Diagnosis Procedure"

.

CREW CAB : Diagnosis Procedure

INFOID:0000000009478893

Regarding Wiring Diagram information, refer to 

DLK-87, "Wiring Diagram - Crew Cab"

.

1.

CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL

With CONSULT

Check door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode in CON-

SULT. Refer to 

BCS-15, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)"

.

• When door lock/unlock switch is turned to LOCK:

• When door lock/unlock switch is turned to UNLOCK:

Without CONSULT

Check voltage between BCM connector M19 terminals 45, 46 and ground.

45 - Ground

: Battery voltage

46 - Ground

: Battery voltage

LIIA1351E

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

CDL LOCK SW

: ON

CDL UNLOCK SW

: ON

DLK-36

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK AND UNLOCK SWITCH

Is the inspection result normal?

YES

>> Door lock/unlock switch circuit is OK.

NO

>> GO TO 2

2.

CHECK DOOR LOCK/UNLOCK SWITCH

1. Turn ignition switch OFF.

2. Disconnect door lock/unlock switch.

3. Check continuity between main power window and door lock/

unlock switch terminals 10, 11 and 14.

4. Check continuity between power window and door lock/unlock

switch RH terminals 1, 2 and 3.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace door lock/unlock switch.

3.

CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS

1. Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch

RH.

2. Check continuity between main power window and door lock/

unlock switch connector D7 terminal 14 and ground.

Connec-

tor

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M19

46

Ground

Door lock/unlock switch is 
neutral.

Battery voltage

Door lock/unlock switch is 
turned to UNLOCK.

0

45

Ground

Door lock/unlock switch is 
neutral.

Battery voltage

Door lock/unlock switch is 
turned to LOCK.

0

LIIA1351E

Terminal

Condition

Continuity

10

14

Lock

Yes

Unlock/Neutral

No

11

Unlock

Yes

Lock/Neutral

No

Terminal

Condition

Continuity

1

3

Lock

Yes

Unlock/Neutral

No

2

Unlock

Yes

Lock/Neutral

No

WIIA0675E

14 - Ground

: Continuity should exist.

WIIA0449E

DOOR LOCK AND UNLOCK SWITCH

DLK-37

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3. Check continuity between power window and door lock/unlock

switch RH connector D105 terminal 3 and ground

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK DOOR LOCK SWITCH CIRCUIT

1. Disconnect BCM.

2. Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock

switch connector D7 terminal 10 or power window and door lock/unlock switch RH connector D105 termi-

nal 1.

3. Check continuity between BCM connector M19 terminal 45 and

ground.

4. Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock

switch LH connector D7 terminal 11 or power window and door lock/unlock switch RH connector D105 ter-

minal 2.

3 - Ground

: Continuity should exist.

WIIA0450E

1 - 45

: Continuity should exist.

10 - 45

: Continuity should exist.

45 - Ground

: Continuity should not exist.

WIIA0630E