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 DETECTION LOGIC:

DTC CONFIRMATION PROCEDURE
1.DTC REPRODUCTION PROCEDURE
1. Turn the ignition switch ON.
2. Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is DTC "C1155" detected?
YES - Proceed to diagnosis procedure. Refer to C1155.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect brake fluid level switch connector.
3. Disconnect unified meter and A/C amp. connector.
4. Check terminal for deformation, disconnection, looseness, etc.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace damaged parts.
2.CHECK BRAKE FLUID LEVEL SWITCH
Check brake fluid level switch. Refer to C1155.
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. Check the continuity between brake fluid level switch harness connector and unified meter and A/C amp. harness connector.





2. Check the continuity between brake fluid level switch harness connector and ground.





3. Check the continuity between unified meter and A/C amp. harness connector and ground.





Is the inspection result normal?
YES - Replace unified meter and A/C amp.
NO - Repair or replace damaged parts.




Component Inspection
1.CHECK BRAKE FLUID LEVEL SWITCH
1. Turn the ignition switch OFF.
2. Disconnect brake fluid level switch connector.
3. Check the continuity between brake fluid level switch connector terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace reservoir tank. Refer to Exploded View.




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