Nissan Xterra. Manual - part 553

POWER SUPPLY AND GROUND CIRCUIT

PWC-15

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

>> Main power window and door lock/unlock switch is OK.

NO

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

PWC-60, "Removal and Instal-

lation"

.

FRONT POWER WINDOW SWITCH
FRONT POWER WINDOW SWITCH : Description

INFOID:0000000009483637

• BCM supplies power.

• Front power window motor RH will be operated if power window and door lock/unlock switch RH is operated.

FRONT POWER WINDOW SWITCH : Component Function Check

INFOID:0000000009483638

Power Window And Door Lock/Unlock Switch RH 

1.

 CHECK FRONT POWER WINDOW MOTOR RH FUNCTION

Check front power window motor RH operation with power window and door lock/unlock switch RH.
Is the inspection result normal?

YES

>> Power window and door lock/unlock switch RH power supply and ground circuit are OK.

NO

>> Refer to 

PWC-15, "FRONT POWER WINDOW SWITCH : Diagnosis Procedure"

.

FRONT POWER WINDOW SWITCH : Diagnosis Procedure

INFOID:0000000009483639

Regarding Wiring Diagram information, refer to 

PWC-42, "Wiring Diagram"

.

1.

 CHECK POWER SUPPLY CIRCUIT 

1. Turn ignition switch ON.

2. Check voltage between power window and door lock/unlock

switch RH connector and ground.

Is the measurement value within the specification?

YES

>> GO TO 3

NO

>> GO TO 2

2.

 CHECK HARNESS CONTINUITY 

1. Turn ignition switch OFF.

2. Disconnect BCM and power window and door lock/unlock switch

RH.

3. Check continuity between BCM connector (A) and power win-

dow and door lock/unlock switch RH connector (B).

4. Check continuity between BCM connector (A) and ground.

Terminal

Voltage (V)

(Approx.)

(+)

(–)

Power window and door lock/

unlock 

switch RH connector

Terminal

D105

8

Ground

Battery voltage

LIIA1976E

BCM connector

Terminal

Power window and 

door lock/unlock 

switch RH  connector

Terminal

Continuity

M20 (A)

68

D105 (B)

8

Yes

LIIA2166E

PWC-16

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

3.

 CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect power window and door lock/unlock switch RH and main power window and door lock/unlock

switch.

3. Check continuity between main power window and door lock/unlock switch connector and front power

window switch RH connector.

4. Check continuity between main power window and door lock/unlock switch connector and ground.

Is the inspection result normal?

YES

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

PWC-61, "Removal and Installa-

tion"

.

NO

>> Repair or replace harness.

4.

 CHECK BCM OUTPUT SIGNAL 

1. Connect BCM. 

2. Turn ignition switch ON.

3. Check voltage between BCM connector and ground.

Is the measurement value within the specification?

YES

>> Replace power window and door lock/unlock switch RH.

Refer to 

PWC-61, "Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-50, "Removal and Installation"

.

REAR POWER WINDOW SWITCH
REAR POWER WINDOW SWITCH : Description

INFOID:0000000009483640

• BCM supplies power.

• Rear power window motor will be operated if rear power window switch is operated. 

REAR POWER WINDOW SWITCH : Component Function Check

INFOID:0000000009483641

Rear Power Window Switch 

BCM connector

Terminal

Ground

Continuity

M20 (A)

68

No

Main power window 

and door lock/unlock 

switch connector

Terminal

Front power window 

switch RH connector

Terminal

Continuity

D7

3

D105

12

Yes

2

11

Main power window and door 

lock/unlock switch connector

Terminal

Ground

Continuity

D7

3

No

2

Terminals

Voltage (V)

(Approx.)

(+)

(-)

BCM connector

Terminal 

M20

68

Ground

Battery voltage

LIIA2055E

POWER SUPPLY AND GROUND CIRCUIT

PWC-17

< DTC/CIRCUIT DIAGNOSIS >

C

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PWC

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1.

 CHECK REAR POWER WINDOW MOTOR FUNCTION

Check rear power window motor operation with rear power window switch.
Is the inspection result normal?

YES

>> Rear power window switch power supply and ground circuit are OK.

NO

>> Refer to 

PWC-17, "REAR POWER WINDOW SWITCH : Diagnosis Procedure"

.

REAR POWER WINDOW SWITCH : Diagnosis Procedure

INFOID:0000000009483642

Regarding Wiring Diagram information, refer to 

PWC-42, "Wiring Diagram"

.

1.

 CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch ON.

2. Check voltage between rear power window switch connector

and ground.

Is the measurement value within the specification?

YES

>> GO TO 2 (Rear power window switch LH)

YES

>> GO TO 3 (Rear power window switch RH)

NO

>> GO TO 4

2.

 CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH LH)

1. Turn ignition switch OFF.

2. Disconnect main power window and door lock/unlock switch and

rear power window switch LH.

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

unlock switch connector (A) and rear power window switch LH

connector (B).

4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

3.

 CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH RH)

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

Rear power window 

switch connector

Terminal

LH

D203

8

Ground

Ignition switch 

ON

Battery voltage

RH

D303

LIIA1715E

Main power window 

and door lock/unlock 

switch connector

Terminal

Rear power window 

switch LH connector

Terminal

Continuity

D7 (A)

15

D203 (B)

4

Yes

16

5

Main power window and door lock/un-

lock switch connector

Terminal

Ground

Continuity

D7 (A)

15

No

16

LIIA2432E

PWC-18

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect main power window and door lock/unlock switch and

rear power window switch RH.

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

unlock switch connector (A) and rear power window switch RH

connector (B).

4. Check continuity between main power window and door lock/unlock switch connector (A) and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

4.

 CHECK HARNESS CONTINUITY

1. Disconnect BCM and rear power window switch.

2. Check continuity between BCM connector (A) and rear power

window switch connector (B).

3. Check continuity between BCM connector (A) and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-50, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

 CHECK REAR POWER WINDOW SWITCH

Check rear power window switch.

Refer to 

PWC-18, "REAR POWER WINDOW SWITCH : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-40, "Intermittent Incident"

.

NO

>> Replace rear power window switch. Refer to 

PWC-62, "Removal and Installation - Rear Door

Switch"

.

REAR POWER WINDOW SWITCH : Component Inspection

INFOID:0000000009483643

COMPONENT INSPECTION

1.

 CHECK REAR POWER WINDOW SWITCH

Check rear power window switch.

Main power window 

and door lock/unlock 

switch connector

Terminal

Rear power window 

switch RH connec-

tor

Terminal

Continuity

D7 (A)

8

D303 (B)

4

Yes

9

5

Main power window and door 

lock/unlock switch connector

Terminal

Ground

Continuity

D7 (A)

8

No

9

LIIA2434E

BCM connector

Terminal

Rear power window 

switch connector

Terminal

Continuity

M20 (A)

68

LH

D203 (B)

8

Yes

RH

D303 (B)

BCM connector

Terminal

Ground

Continuity

M20 (A)

68

No

LIIA2175E