Nissan Frontier. Manual — part 246

DLK-30

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

Without CONSULT

Check voltage between BCM connector M18 or M19 terminals 12, 13, 47, 48 and ground.

Is the inspection result normal?

YES

>> Door switch circuit is OK.

NO

>> GO TO 2

2.

CHECK BCM OUTPUT VOLTAGE

1. Turn ignition switch OFF.

2. Disconnect door switches.

3. Check voltage between BCM connector M18, M19 terminals 12,

13, 47, 48 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace BCM. Refer to

BCS-49, "Removal and Installa-

tion"

.

3.

CHECK DOOR SWITCH CIRCUIT

1. Disconnect door switch and BCM.

2. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116

(Rear RH) terminal 2 and BCM connector M18, M19 terminals 12, 13, 47 and 48.

3. Check continuity between door switch connector B8 (Front LH),

B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 and

ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK DOOR SWITCHES

1. Disconnect door switch.

2. Check continuity between door switch terminals.

Connec-

tor

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M19

Front door

switch LH

47

Ground

Open

↓

Closed

0
↓

Battery voltage

Rear door

switch LH

48

M18

Front door

switch RH

12

Rear door
switch RH

13

LIIA1177E

12 - Ground

: Battery voltage

13 - Ground

: Battery voltage

47 - Ground

: Battery voltage

48 - Ground

: Battery voltage

LIIA1177E

2 - 47

: Continuity should exist.

2 - 12

: Continuity should exist.

2 - 48

: Continuity should exist.

2 - 13

: Continuity should exist.

2 - Ground

: Continuity should not exist.

LIIA1178E

DOOR SWITCH

DLK-31

< 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 switch case ground condition.

NO

>> Replace door switch.

Terminal

Condition

Continuity

Door switch

2 – Ground

Open

Yes

Closed

No

WIIA0644E

DLK-32

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK AND UNLOCK SWITCH

DOOR LOCK AND UNLOCK SWITCH

KING CAB
KING CAB : Description

INFOID:0000000009478888

Transmits door lock/unlock operation to BCM.

KING CAB : Component Function Check

INFOID:0000000009478889

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-32, "KING CAB : Diagnosis Procedure"

.

KING CAB : Diagnosis Procedure

INFOID:0000000009478890

Regarding Wiring Diagram information, refer to

DLK-77, "Wiring Diagram - King 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–III. 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.

Is the inspection result normal?

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

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

DOOR LOCK AND UNLOCK SWITCH

DLK-33

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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.

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.

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

3 - Ground

: Continuity should exist.

WIIA0450E