Toyota
Nissan Versa
 Sedan Service Manual
Brakes » Brake control system (BRC) » C1116 Stop lamp switch
Diagnosis Procedure

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

1.CONNECTOR INSPECTION

  1. Disconnect stop lamp switch connector and ABS actuator and electric unit (control unit) connector.
  2. Check terminals for deformation, disconnection, looseness or damage.

Is the inspection result normal?

YES >> GO TO 2

NO >> Repair or replace as necessary.

2.CHECK STOP LAMP SWITCH CIRCUIT

  1. Connect stop lamp switch connector.
  2. Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 30 and ground.       

Is the inspection result normal?

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

NO >> GO TO 3

3.CHECK STOP LAMP SWITCH CIRCUIT FOR OPEN

  1. Disconnect stop lamp switch connector.
  2. Check continuity between ABS actuator and electric unit (control unit) connector E33 terminal 30 and stop lamp switch connector E13 (with CVT) or E57 (with M/T) terminal 2.       

Is the inspection result normal?

YES >> GO TO 4.

NO >> Repair or replace as necessary.

4.CHECK STOP LAMP SWITCH CIRCUIT FOR SHORT

Check continuity between ABS actuator and electric unit (control unit) connector E33 terminal 30 and ground.

Is the inspection result normal?

YES >> Replace stop lamp switch.

NO >> Repair harness or connectors.

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