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BRC-70 < DTC/CIRCUIT DIAGNOSIS > [VDC/TCS/ABS] C1164, C1165 CV SYSTEM C1164, C1165 CV SYSTEM Description INFOID:0000000009949984 The cut valve shuts off the normal brake fluid path from the master cylinder, when VDC/TCS is activated. DTC Logic INFOID:0000000009949985 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and >> GO TO 2. 2. DTC REPRODUCTION PROCEDURE 1. Turn the ignition switch ON. 2. Perform self-diagnosis for “ABS” with CONSULT. Is DTC “C1164” or “C1165” detected? YES >> Proceed to diagnosis procedure. Refer to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009949986 1. CHECK ACTUATOR RELAY POWER SUPPLY CIRCUIT 1. Turn the ignition switch ON. 2. Disconnect ABS actuator and electric unit (control unit) harness connector. 3. Check the 30A fusible link (K). 4. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace damaged parts. 2. CHECK SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY 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 C1164 CV 1 VDC switch-over solenoid valve (CV1) on the primary • Harness or connector (control unit) C1165 CV 2 VDC switch-over solenoid valve (CV2) on the secondary ABS actuator and electric unit (control unit) — Voltage Connector Terminal E36 3 Ground Battery voltage ABS actuator and electric unit (control unit) — Continuity Connector Terminal E36 1 Ground Existed 4 |