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C1166, C1167 SV SYSTEM BRC-83 < DTC/CIRCUIT DIAGNOSIS > [VDC/TCS/ABS] C D E G H I J K L M A B BRC N O P C1166, C1167 SV SYSTEM Description INFOID:0000000007544736 The suction valve supplies the brake fluid from the master cylinder to the pump, when VDC/TCS is activated. DTC Logic INFOID:0000000007544737 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn the ignition switch OFF >> GO TO 2. 2. DTC REPRODUCTION PROCEDURE 1. Turn the ignition switch OFF to ON. 2. Perform self-diagnosis for “ABS” with CONSULT. Is DTC “C1166” or “C1167” detected? YES >> Proceed to diagnosis procedure. Refer to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000007544738 1. CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect ABS actuator and electric unit (control unit) harness connector. 3. Check the terminal for deformation, disconnection, looseness, etc. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace error-detected parts. 2. CHECK SUCTION VALVE (SV) POWER SUPPLY 1. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground. 2. Turn the ignition switch ON. CAUTION: Never start the engine. 3. Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground. DTC Display item Malfunction detected condition Possible cause C1166 SV1 Suction valve 1 (SV1) on the primary side is open circuit • Harness or connector (control unit) C1167 SV2 Suction valve 2 (SV2) on the secondary side is open cir- ABS actuator and electric unit (control unit) — Voltage (Approx.) Connector Terminal E36 1 Ground Battery voltage Revision: 2013 February 2012 MURANO |