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BRC-94 < COMPONENT DIAGNOSIS > [VDC/TCS/ABS] C1111 ABS MOTOR, MOTOR RELAY SYSTEM C1111 ABS MOTOR, MOTOR RELAY SYSTEM Description INFOID:0000000003766919 PUMP The pump returns the brake fluid stored in the reservoir to the master cylinder by reducing the pressure. MOTOR The motor drives the pump according to the signals transmitted by the ABS actuator and electric unit (control MOTOR RELAY Activates or deactivates motor according to the signals transmitted by the ABS actuator and electric unit (con- DTC Logic INFOID:0000000003766920 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 “C1111” detected? YES >> Proceed to diagnosis procedure. Refer to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000003766921 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect ABS actuator and electric unit (control unit) connector. 3. Check terminal for deformation, disconnect, looseness, etc. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace damaged parts. 2. CHECK ABS MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT Check the voltage between the ABS actuator and electric unit (control unit) harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground. DTC Display item Malfunction detected condition Possible cause C1111 PUMP MOTOR During the actuator motor operating with ON, when the • Harness or connector (control unit) During the actuator motor operating with OFF, when the ABS actuator and electric unit (control unit) — Voltage Connector Terminal E36 2 Ground Battery voltage |