Nissan Sentra. Manual — part 729

RF-26

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

DOOR SWITCH

Component Function Check

INFOID:0000000010287628

1.

CHECK FUNCTION

1. Select DOOR LOCK of BCM using CONSULT.

2. Select DOOR SW-DR, DOOR SW-AS in DATA MONITOR mode.

3. Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to

RF-26, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010287630

Regarding Wiring Diagram information, refer to

DLK-49, "Wiring Diagram"

.

1.

CHECK DOOR SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between door switch harness connector and BCM harness connector.

Monitor item

Condition

Status

DOOR SW-DR

Front door LH

Open

ON

Closed

OFF

DOOR SW-AS

Front door RH

Open

ON

Closed

OFF

(+)

(–)

Signal

(Reference value)

Door switch

Connector

Terminal

Front door switch
LH

B21

3

Ground

7.0 - 8.0 V

Front door switch
RH

B28

3

PKIB4960J

DOOR SWITCH

RF-27

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

RF

N

O

P

3. Check continuity between door switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-73, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCH

Refer to

RF-27, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace malfunctioning door switch.

4.

CHECK INTERMITTENT INCIDENT

Refer to

GI-39, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000010287634

1.

CHECK DOOR SWITCH

1. Turn ignition switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check continuity between door switch terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace malfunction door switch.

Door switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

Front door switch
LH

B21

3

B24

98

Yes

Front door switch
RH

B28

100

Door switch

Ground

Continuity

Connector

Terminal

Front door switch LH

B21

3

No

Front door switch RH

B28

Door switch

Condition

Continuity

Terminal

Front door switch
LH

3

Ground part of door

switch

Door switch

Pressed

No

Released

Yes

Front door switch
RH

Pressed

No

Released

Yes

RF-28

< SYMPTOM DIAGNOSIS >

MOONROOF DOES NOT OPERATE PROPERLY

SYMPTOM DIAGNOSIS

MOONROOF DOES NOT OPERATE PROPERLY

Diagnosis Procedure

INFOID:0000000009756145

1.

CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit.

Refer to

PWC-31, "BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Pro-

cedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning parts.

2.

CHECK MOONROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT

Check moonroof motor assembly power supply and ground circuit.

Refer to

RF-20, "MOONROOF MOTOR ASSEMBLY : Component Function Check"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-39, "Intermittent Incident"

.

NO

>> Repair or replace malfunctioning parts.

AUTO OPERATION DOES NOT OPERATE

RF-29

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

RF

N

O

P

AUTO OPERATION DOES NOT OPERATE

Diagnosis Procedure

INFOID:0000000009756146

1.

PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure.

Refer to

RF-18, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-

ment"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Perform basic inspection. Refer to

RF-16, "Work Flow"

.