Nissan Versa (N17): C1155 BR Fluid level low

DTC Logic

DTC DETECTION LOGIC   

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSIS RESULTS

Check the self-diagnosis results.                                               

Is above displayed on the self-diagnosis display?

YES >> Proceed to diagnosis procedure. Refer to BRC "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

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

NOTE: Check brake fluid level in brake reservoir tank before starting inspection.

1.CONNECTOR INSPECTION

1. Turn ignition switch OFF.
2. Disconnect combination meter and brake fluid level 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 BRAKE FLUID LEVEL SWITCH

Perform the brake fluid level switch component inspection. Refer to BRC"Component Inspection".

Is the inspection result normal?

YES >> GO TO 3

NO >> Replace brake fluid level switch. Refer to BR "Exploded View".

3.CHECK BRAKE FLUID LEVEL SWITCH HARNESS

1. Check continuity between combination meter connector and brake fluid level switch connector E40 terminal 1.               

    2.   Check continuity between combination meter connector and ground. 

Is the inspection result normal?

YES >> GO TO 4

NO >> Repair or replace malfunctioning components.

4.CHECK BRAKE FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between brake fluid level switch connector E40 terminal 2 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.

Component Inspection

1.CHECK BRAKE FLUID LEVEL SWITCH

1. Turn ignition switch OFF.
2. Disconnect brake fluid level switch connector.
3. Check continuity between brake fluid level switch terminals 1 and 2.                                                                           

Is the inspection result normal?

YES >> Inspection End.

NO >> Replace brake fluid level switch. Refer to BR "Exploded View".