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
-
Turn ignition switch OFF.
-
Disconnect ABS actuator and electric unit (control unit) and VDC OFF switch connectors.
-
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.
-
Connect ABS actuator and electric unit (control unit) and VDC OFF switch connectors.
-
Turn ignition switch ON.
-
In “DATA MONITOR” select “OFF SW” and check VDC OFF switch signal.
Is the inspection result normal? YES >> Refer to BRC-51, "Work Flow".
NO >> GO TO 4.
4.Check VDC OFF Switch circuit
-
Turn ignition switch OFF.
-
Disconnect ABS actuator and electric unit (control unit) and VDC OFF switch connectors.
-
Check continuity between ABS actuator and electric unit (control unit) connector E33 terminal 15 and VDC OFF switch connector M64 terminal 6.
-
Check continuity between ABS actuator and electric unit (control unit) connector terminal E33 terminal 15 and ground.
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? 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
-
Turn ignition switch OFF.
-
Disconnect VDC OFF switch connector.
-
Check continuity between terminals of VDC OFF switch connector.
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?
...
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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 ...
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