C1155

C1155 BR FLUID LEVEL LOW

Description

The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actuator and electric unit (control unit).


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. .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.

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

1. CONNECTOR INSPECTION

1.Turn ignition switch OFF.
2.Disconnect brake fluid level switch connector and combination meter connector.
3.Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminals.
4.Reconnect connector and perform self-diagnosis. Scan Tool Testing and Procedures.
Is any item displayed on the self-diagnosis display?
YES- GO TO 2
NO- Poor connection of connector terminals. Repair or replace connectors.

2. CHECK BRAKE FLUID LEVEL SWITCH

Perform the brake fluid level switch component inspection. .
Is the inspection result normal?
YES- GO TO 3
NO- Replace brake fluid level switch. Exploded View.

3. CHECK BRAKE FLUID LEVEL SWITCH HARNESS






1.Disconnect combination meter connector.
2.Check continuity between combination meter connector M24 (A)
terminal 27 and brake fluid level switch connector E24 (B) terminal 1.





3.Check continuity between combination meter connector M24 (A)
terminal 27 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 E24 terminal 2 and ground.





Is the inspection result normal?
YES- Inspection End.
NO- - Repair or replace malfunctioning components.
- Perform the self-diagnosis, and make sure that the result shows "NO DTC IS DETECTED".


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. Exploded View.