C1155

C1155 BRAKE FLUID LEVEL SWITCH





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. Refer to C1155.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect brake fluid level switch connector and unified meter and A/C amp. connector.
3. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
4. Reconnect connectors and then perform the self-diagnosis.
Is any item indicated on the self-diagnosis display?
YES - GO TO 2.
NO - Poor connection of connector terminal. Repair or replace connector.
2.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 connector terminals.





Is the inspection result normal?
YES - GO TO 3.
NO - Brake fluid level switch is malfunction. Replace reservoir tank.
3.CHECK BRAKE FLUID LEVEL SWITCH CIRCUIT
1. Disconnect unified meter and A/C amp. connector.
2. Check continuity between brake fluid level switch harness connector terminals, unified meter and A/C amp. harness connector terminal and/or ground.












Is the inspection result normal?
YES - Replace unified meter and A/C amp.
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 connector terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace reservoir tank.




Special Repair Requirement
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actuator and electric unit (control unit). Refer to Description.
- END