C1155

C1155 BRAKE FLUID LEVEL SWITCH





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.
2.CHECK DTC DETECTION
With CONSULT-III.
1. Turn the ignition switch OFF to ON.
2. Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES - Proceed to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK BRAKE FLUID LEVEL
1. Turn the ignition switch OFF.
2. Check brake fluid level. Inspection.
Is the inspection result normal?
YES - GO TO 2.
NO - Refill brake fluid. Refilling.
2.PERFORM SELF-DIAGNOSIS (1)
With CONSULT-III.
1. Erase Self-diagnosis result for "ABS".
2. Turn the ignition switch OFF, and wait 10 seconds or more.
3. Turn the ignition switch ON.

CAUTION:
Never start the engine.
4. Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES - INSPECTION END
NO - GO TO 3.
3.CHECK BRAKE FLUID LEVEL SWITCH
Check brake fluids level switch. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace reservoir tank. Overhaul. GO TO 4.
4.PERFORM SELF-DIAGNOSIS (2)
With CONSULT-III.
1. Erase Self-diagnosis result for "ABS".
2. Turn the ignition switch OFF, and wait 10 seconds or more.
3. Turn the ignition switch ON.

CAUTION:
Never start the engine.
4. Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES - INSPECTION END
NO - GO TO 5.
5.CHECK CONNECTOR AND TERMINAL
1. Turn the ignition switch OFF.
2. Disconnect brake fluid level switch harness connector.
3. Check brake fluid level switch harness connector for disconnection or looseness.
4. Check brake fluid level switch pin terminals for damage or loose connection with harness connector.
5. Disconnect combination meter harness connector.
6. Check combination meter harness connector for disconnection or looseness.
7. Check combination meter pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace error-detected parts. GO TO 6.
6.PERFORM SELF-DIAGNOSIS (3)
With CONSULT-III.
1. Connect brake fluid level switch harness connector.
2. Connect combination meter harness connector.
3. Erase Self-diagnosis result for "ABS".
4. Turn the ignition switch OFF, and wait 10 seconds or more.
5. Turn the ignition switch ON.

CAUTION:
Never start the engine.
6. Perform self-diagnosis for "ABS".
Is DTC "C1155" detected?
YES - INSPECTION END
NO - GO TO 7.
7.CHECK BRAKE FLUID LEVEL SWITCH HARNESS
1. Turn the ignition switch OFF.
2. Disconnect brake fluid level switch harness connector.
3. Disconnect combination meter harness connector.
4. Check continuity between brake fluid level switch harness connector and combination meter harness connector.





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





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace error-detected parts. GO TO 8.
8.CHECK BRAKE FLUID LEVEL SWITCH GROUND
Check continuity between brake fluid level switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 9.
NO - Repair or replace error-detected parts. GO TO 9.
9.CHECK COMBINATION METER
Check combination meter. Scan Tool Testing and Procedures.
Is the inspection result normal?
YES - Replace ABS actuator and electric unit (control unit). Removal And Installation.
NO - Repair or replace combination meter. Removal And Installation.




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





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