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BRC-106 < COMPONENT DIAGNOSIS > [TYPE 2] C1109 POWER AND GROUND SYSTEM C1109 POWER AND GROUND SYSTEM Description INFOID:0000000005548252 Supplies electric power to the ABS actuator and electric unit (control unit). DTC Logic INFOID:0000000005548253 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. CHECK SELF-DIAGNOSIS RESULTS Check the self-diagnosis results. Is above displayed on the self-diagnosis display? YES >> Proceed to diagnosis procedure. Refer to BRC-106, "Diagnosis Procedure" . NO >> Inspection End Diagnosis Procedure INFOID:0000000005548254 Regarding Wiring Diagram information, refer to BRC-154, "Wiring Diagram - BRAKE CONTROL SYSTEM - WITHOUT HILL DESCENT CONTROL/HILL START ASSIST" . 1. CONNECTOR INSPECTION 1. Turn ignition switch OFF. 2. Disconnect ABS actuator and electric unit (control unit) connector. 3. Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair 4. Reconnect connectors and then perform the self-diagnosis. Refer to . Is any item indicated on the self-diagnosis display? YES >> GO TO 2 NO >> Poor connection of connector terminals. Repair or replace connector. 2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT AND GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ABS actuator and electric unit (control unit) connec- 3. Check voltage between ABS actuator and electric unit (control DTC Display item Malfunction detected condition Possible cause C1109 BATTERY VOLTAGE When the ABS actuator and electric unit (control unit) • Harness or connector (control unit) Self-diagnosis results BATTERY VOLTAGE [ABNORMAL] AWFIA0189ZZ |