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C1155 BRAKE FLUID LEVEL SWITCH BRC-83 < DTC/CIRCUIT DIAGNOSIS > [VDC/TCS/ABS] C D E G H I J K L M A B BRC N O P C1155 BRAKE FLUID LEVEL SWITCH Description INFOID:0000000005234581 The brake fluid level switch converts the brake fluid level to an electric signal and transmits it to the ABS actu- DTC Logic INFOID:0000000005234582 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. DTC REPRODUCTION PROCEDURE 1. Turn the ignition switch ON. 2. Perform self-diagnosis for “ABS” with CONSULT-III. Is DTC “C1155” detected? YES >> Proceed to diagnosis procedure. Refer to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005234583 1. CHECK BRAKE FLUID LEVEL Check the brake fluid level. Refer to . Is the inspection result normal? YES >> GO TO 2. NO >> Refill the brake fluid. Refer to . 2. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect brake fluid level switch harness connector. 3. Disconnect unified meter and A/C amp. harness connector. 4. Check terminal for deformation, disconnection, looseness, etc. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace error-detected parts. 3. CHECK BRAKE FLUID LEVEL SWITCH Check brake fluid level switch. Refer to BRC-84, "Component Inspection" Is the inspection result normal? YES >> GO TO 4. NO >> Brake fluid level switch is malfunction. Replace reservoir tank. Refer to 4. CHECK BRAKE FLUID LEVEL SWITCH CIRCUIT 1. Check the continuity between brake fluid level switch harness connector and unified meter and A/C amp. 2. Check the continuity between brake fluid level switch harness connector and ground. DTC Display item Malfunction detected condition Possible cause C1155 BR FLUID LEVEL LOW Brake fluid level is low or communication line between • Harness or connector Unified meter and A/C amp. Brake fluid level switch Continuity Connector Terminal Connector Terminal M67 57 E47 1 Existed |