Nissan Sentra manuals

Nissan Sentra Service Manual: VDC OFF Switch

Component Function Check

1.CHECK VDC OFF SWITCH OPERATION

Check that VDC OFF indicator lamp in combination meter turns ON/OFF when VDC OFF switch is operated.

Is the inspection result normal? YES >> Inspection End.

NO >> Proceed to diagnosis procedure. Refer to BRC-92, "Diagnosis Procedure".

Diagnosis Procedure

Regarding Wiring Diagram information, refer to BRC-44, "Wiring Diagram".

1.CONNECTOR INSPECTION

  1. Turn ignition switch OFF.

  2. Disconnect ABS actuator and electric unit (control unit) and VDC OFF switch connectors.

  3. Check connectors and terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace as necessary.

2.CHECK VDC OFF SWITCH

Check VDC OFF switch. Refer to BRC-93, "Component Inspection".

Is the inspection result normal? YES >> GO TO 3.

NO >> Replace VDC OFF switch. Refer to BRC-112, "Removal and Installation".

3.Check VDC OFF Switch signal

With CONSULT.


  1. Connect ABS actuator and electric unit (control unit) and VDC OFF switch connectors.

  2. Turn ignition switch ON.

  3. In “DATA MONITOR” select “OFF SW” and check VDC OFF switch signal.

Is the inspection result normal?


Is the inspection result normal? YES >> Refer to BRC-51, "Work Flow".

NO >> GO TO 4.

4.Check VDC OFF Switch circuit

  1. Turn ignition switch OFF.

  2. Disconnect ABS actuator and electric unit (control unit) and VDC OFF switch connectors.

  3. Check continuity between ABS actuator and electric unit (control unit) connector E33 terminal 15 and VDC OFF switch connector M64 terminal 6.


  1. Check continuity between ABS actuator and electric unit (control unit) connector terminal E33 terminal 15 and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 5.

NO >> Repair or replace malfunctioning components.

5.Check vdc off switch ground circuit

Check continuity between VDC OFF switch connector M64 terminal 8 and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".

NO >> Repair or replace malfunctioning components.

Component Inspection

1.Check vdc off switch

  1. Turn ignition switch OFF.

  2. Disconnect VDC OFF switch connector.

  3. Check continuity between terminals of VDC OFF switch connector.

Is the inspection result normal?


Is the inspection result normal? YES >> Inspection End.

NO >> Replace VDC OFF switch. Refer to BRC-112, "Removal and Installation".

Parking brake switch
Component Function Check 1.CHECK PARKING BRAKE SWITCH OPERATION Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated. Is the inspection result normal? ...

ABS Warning lamp
Component Function Check 1.CHECK ABS WARNING LAMP FUNCTION Check that ABS warning lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the ins ...

Other materials:

Basic inspection
Diagnosis and repair workflow Workflow OVERALL SEQUENCE DETAILED FLOW 1.INTERVIEW CUSTOMER Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred. >> GO TO 2. 2.SYMPTOM CHECK Verify symptoms. ...

Preparation
Special Service Tools The actual shape of the tools may differ from those illustrated here. Commercial Service Tools Clip list Descriptions for Clips Replace any clips which are damaged during removal or installation. ...

Precaution for Work
When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth. When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a ...

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