Nissan Frontier. Manual - part 1096

RF-10

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

SUNROOF MOTOR ASSEMBLY
SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure

INFOID:0000000009482344

Regarding Wiring Diagram information, refer to 

RF-30, "Wiring Diagram"

.

SUNROOF MOTOR ASSEMBLY

1.

 CHECK SUNROOF MOTOR POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect sunroof motor assembly connector B83.

3. Turn ignition switch ON.

4. Check voltage between sunroof motor assembly connector B83

terminals 7 and 9 and ground.

Is the voltage as specified?

YES

>> GO TO 7

NO (With power seats) >>GO TO 2

NO (Without power seats) >>GO TO 5

2.

 CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS

1. Turn ignition switch OFF.

2. Disconnect BCM connector M20 and circuit breaker-2 connector M82.

3. Check continuity between BCM connector M20, circuit breaker-2 connector M82 and sunroof motor

assembly connector B83.

4. Check continuity between BCM connector M20, circuit breaker-2 and ground.

Are the continuity test results as specified?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK BCM OUTPUT SIGNAL

1. Connect BCM connector M20.

2. Turn ignition switch ON.

3. Check voltage between BCM connector M20 and ground.

(+)

(–)

Voltage

Connector

Terminal 

B83

7

Ground

Battery voltage

9

ALKIA1176GB

Connector

Terminal

Connector

Terminal

Continuity

M20

68

B83

9

Yes

M82

1 7

Connector

Terminal

—

Continuity

M20

68

Ground

No

M82

1

POWER SUPPLY AND GROUND CIRCUIT

RF-11

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Is the voltage reading as specified?

YES

>> GO TO 4

NO

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

4.

 CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS

1. Check voltage between circuit breaker-2 connector M82 and ground.

Is the voltage reading as specified?

YES

>> Replace circuit breaker-2

NO

>> Repair or replace harness.

5.

 CHECK SUNROOF MOTOR POWER SUPPLY CIRCUITS

1. Turn ignition switch OFF.

2. Disconnect BCM connector M20.

3. Check continuity between BCM connector M20 and sunroof motor assembly connector B83.

4. Check continuity between BCM connector M20 and ground.

Are the continuity test results as specified?

YES

>> GO TO 6

NO

>> Repair or replace harness.

6.

 CHECK BCM OUTPUT SIGNAL

1. Connect BCM connector M20.

2. Turn ignition switch ON.

3. Check voltage between BCM connector M20 and ground.

Is the voltage reading as specified?

YES

>> Check condition of harness and connector.

NO

>> Replace BCM. Refer to 

BCS-49, "Removal and Installation"

.

7.

 CHECK GROUND CIRCUIT

(+)

(–)

Voltage

Connector

Terminal 

M20

68

Ground

Battery voltage

(+)

(–)

Voltage

Connector

Terminal 

M82

2

Ground

Battery voltage

Connector

Terminal

Connector

Terminal

Continuity

M20

68

B83

9

Yes

69 7

Connector

Terminal

—

Continuity

M20

68

Ground

No

69

(+)

(–)

Voltage

Connector

Terminal 

M20

68

Ground

Battery voltage

69

ALKIA0871ZZ

RF-12

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between sunroof motor assembly connector

B83 terminal 10 and ground.

Is the continuity test result as specified?

YES

>> Inspection End.

NO

>> Repair or replace harness.

SUNROOF MOTOR ASSEMBLY : Special Repair Requirement

INFOID:0000000009482345

1.

 PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure. 

Refer to 

RF-5, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement"

.

Does the sunroof motor assembly operate properly?

YES

>> Repair is complete.

NO

>> Check fitting adjustment.

Connector

Terminal

—

Continuity 

B83

10

Ground

Yes

ALKIA1178GB

SUNROOF SWITCH CIRCUIT

RF-13

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SUNROOF SWITCH CIRCUIT

Description

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The BCM supplies power to the integrated CPU of the sunroof motor assembly. The tilt and slide functions of

the sunroof motor assembly is controlled by the sunroof switch. 

Component Function Check

INFOID:0000000009482347

1.

 CHECK SUNROOF MOTOR FUNCTION

Do tilt up/down & slide open/close functions operate normally with sunroof switch?
Is the inspection result normal?

YES

>> Sunroof motor assembly is OK.

NO

>> Refer to 

RF-13, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009482348

Regarding Wiring Diagram information, refer to 

RF-30, "Wiring Diagram"

.

1.

 CHECK SUNROOF SWITCH INPUT SIGNAL 

1. Turn ignition switch ON.

2. Check voltage between sunroof switch connector and ground.

Are the voltage measurements as specified?

YES

>> Sunroof switch is operating normally. 

NO

>> GO TO 2

2.

 CHECK SUNROOF SWITCH CIRCUITS

1. Turn ignition switch OFF.

2. Disconnect sunroof motor assembly connector B83 and sunroof

switch connector R4.

3. Check continuity between sunroof motor assembly connector

B83 (A) and sunroof switch connector R4 (B).

4. Check continuity between sunroof motor assembly connector B83 (A) and ground. 

Are the continuity test results as specified?

Connector

Terminals

Sunroof switch position

Voltage (V)

(Approx.)

(+)

(–)

R4

1

2

DOWN/OPEN

0V

Other than above

Battery voltage

3

UP/CLOSE

0V

Other than above

Battery voltage

A

B

Continuity

Connector

Terminal

Connector

Terminal

B83

1

R4

3

Yes

5

1

A

—

Continuity

Connector

Terminal

B83

5

Ground

No

1

ALKIA1180GB