Nissan Versa

 Sedan Service Manual

Brakes » Brake control system (BRC) » C1121, C1123, C1125, C1127 ABS Out valve system
Diagnosis Procedure

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

1.CONNECTOR INSPECTION

1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check connector 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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY

Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 25 and ground.

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair or replace malfunctioning components.

3.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control unit) connector E33 terminals 13, 38 and ground.           

Is the inspection result normal?

YES >> Replace ABS actuator and electric unit (control unit). Refer to BRC "Removal and Installation".

NO >> Repair or replace malfunctioning components.

DTC Logic

Diagnosis Procedure