Nissan Frontier. Manual - part 1075

PWC-32

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

1. Turn ignition switch OFF.

2. Disconnect door switches.

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

47 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 BCM.

2. Check continuity between door switch connector D213 (Front LH), D314 (Front RH) terminal 2, D211

(Rear upper LH), D312 (Rear upper RH), D212 (Rear lower LH), D313 (Rear lower RH) terminal 1 and

BCM connector M18, M19 terminals 12, and 47.

3. Check continuity between door switch connector D213 (Front

LH), D314 (Front RH) terminal 2, D211 (Rear upper LH), D312

(Rear upper RH), D212 (Rear lower LH), D313 (Rear lower RH)

terminal 1 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK DOOR SWITCHES GROUND CIRCUIT

Check continuity between door switch connector D213 (Front LH), D314 (Front RH) terminal 3, D211 (Rear

upper LH), D312 (Rear upper RH), D212 (Rear lower LH), D313 (Rear lower RH) terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

5.

CHECK DOOR SWITCHES

Check continuity between door switch terminals.

12 - Ground

: Battery voltage

47 - Ground

: Battery voltage

LIIA1174E

2 - 47

: Continuity should exist

2 - 12

: Continuity should exist

1 - 47

: Continuity should exist

1 - 12

: Continuity should exist

2 - Ground

: Continuity should not exist

1 - Ground

: Continuity should not exist

LIIA1175E

3 - Ground

: Continuity should exist

2 - Ground

: Continuity should exist

WIIA0715E

DOOR SWITCH

PWC-33

< DTC/CIRCUIT DIAGNOSIS >

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Is the inspection result normal?

YES

>> Check condition of harness and connector.

NO

>> Replace door switch.

CREW CAB
CREW CAB : Description

INFOID:0000000010223124

Detects door open/close condition.

CREW CAB : Component Function Check

INFOID:0000000010223221

1.

CHECK FUNCTION

 With CONSULT

Check door switches in Data Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

PWC-33, "CREW CAB : Diagnosis Procedure"

.

CREW CAB : Diagnosis Procedure

INFOID:0000000010223222

Regarding Wiring Diagram information, refer to 

DLK-87, "Wiring Diagram - Crew Cab"

.

1.

CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT

Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT. Refer to

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

.

• When any doors are open:

• When any doors are closed:

Without CONSULT

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

Item

Terminal

Condition

Continuity

Door switches 

(front) 

2 – 3 

Open

Yes

Closed

No

Door switches (rear 

upper and lower)

1 – 2 

Open

Yes

Closed

No

WIIA0628E

Monitor item

Condition

DOOR SW-DR

CLOSE 

→ OPEN: OFF → ON

DOOR SW-AS

DOOR SW-DR

: ON

DOOR SW-AS

: ON

DOOR SW-DR

: OFF

DOOR SW-AS

: OFF

Connec-

tor

Item

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

PWC-34

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

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, 47 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

3.

CHECK DOOR SWITCH CIRCUIT

1. Disconnect door switch and BCM.

2. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and BCM

connector M18, M19 terminals 12, 47.

3. Check continuity between door switch connector B8 (Front LH), B108 (Front 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.

Is the inspection result normal?

YES

>> Check switch case ground condition.

NO

>> Replace door switch.

M19

Front door 

switch LH

47

Ground

Open

↓

Closed

0
↓

Battery voltage

M18

Front door 

switch RH

12

12 - Ground

: Battery voltage

47 - Ground

: Battery voltage

2 - 47

: Continuity should exist.

2 - 12

: Continuity should exist.

2 - Ground

: Continuity should not exist.

Terminal

Condition

Continuity

Door switch

2 – Ground

Open

Yes

Closed

No

WIIA0644E

POWER WINDOW LOCK SWITCH

PWC-35

< DTC/CIRCUIT DIAGNOSIS >

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POWER WINDOW LOCK SWITCH

Description

INFOID:0000000009482422

Ground circuit of main power window and door lock/unlock switch shuts off if power window lock switch of

main power window and door lock/unlock switch is operated. This inhibits all operation, except for the main

switch.

Component Function Check

INFOID:0000000009482423

1.

 CHECK POWER WINDOW LOCK SIGNAL

Exchanges for a normal main power window and door lock/unlock switch, and operation is checked.
Does power window lock operate?

YES

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-72, "Removal and Instal-

lation"

.

NO

>> Check condition of harness and connector.