Nissan Frontier D40. Manual - part 912

PWC-30

< COMPONENT 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-54, "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) terminal 2 and BCM connector M18, M19 ter-
minals 12, and 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.

12 - Ground

: Battery voltage

47 - Ground

: Battery voltage

LIIA0946E

2 - 47

: Continuity should exist.

2 - 12

: Continuity should exist.

2 - Ground

: Continuity should not exist.

LIIA0947E

Terminal

Condition

Continuity

2

Ground part of 

door switch

Open

Yes

Closed

No

LIIA2377E

POWER WINDOW LOCK SWITCH

PWC-31

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

POWER WINDOW LOCK SWITCH

Description

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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:0000000005274643

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-65, "Removal and Instal-

lation"

.

NO

>> Check condition of harness and connector.

PWC-32

< ECU DIAGNOSIS >

POWER WINDOW SYSTEM

ECU DIAGNOSIS

POWER WINDOW SYSTEM

Terminal Layout for Power Window Main Switch

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Physical Values for Power Window Main Switch

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*: Crew cab

LIIA2454E

Terminal

Wire Color

Item

Condition

Voltage (V)

(Approx.)

2

G/Y

Front power window motor RH 
DOWN signal

When power window motor is op-
erated DOWN

 Battery voltage

3

L/W

Front power window motor RH UP 
signal

When power window motor is op-
erated UP

 Battery voltage

5

W/R

RAP signal

When ignition switch ON

Battery voltage

Within 45 seconds after ignition 
switch is turned to OFF

Battery voltage

More than 45 seconds after igni-
tion switch is turned to OFF

0

When front door LH or RH open 
or power window timer operates

0

6

G/R

Front power window motor LH UP 
signal

When power window motor is op-
erated UP

 Battery voltage

7

G/W

Front power window motor LH 
DOWN signal

When power window motor is op-
erated DOWN

 Battery voltage

8*

G/B

Rear power window RH
UP signal

When rear RH switch in 
main power window and door 
lock/unlock switch is operated
UP

 Battery voltage

9*

R

Rear power window RH
DOWN signal

When rear RH switch in 
main power window and door 
lock/unlock switch is operated 
DOWN

 Battery voltage

14

B

Ground

—

0

15*

R/B

Rear power window LH 
UP signal

When rear LH switch in
main power window and door 
lock/unlock switch is operated
UP

Battery voltage

16*

R/Y

Rear power window LH 
DOWN signal

When rear LH switch in 
main power window and door 
lock/unlock switch is operated 
DOWN

Battery voltage

POWER WINDOW SYSTEM

PWC-33

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Wiring Diagram

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ABKWA0154GB