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BRC-50 < DTC/CIRCUIT DIAGNOSIS > [VDC/TCS/ABS] C1121, C1123, C1125, C1127 OUT ABS SOL C1121, C1123, C1125, C1127 OUT ABS SOL Description INFOID:0000000006165870 The solenoid valve increases, holds or decreases the fluid pressure of each brake caliper according to the sig- nals transmitted by the ABS actuator and electric unit (control unit). DTC Logic INFOID:0000000006165871 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 . NO >> Inspection End Diagnosis Procedure INFOID:0000000006648991 Regarding Wiring Diagram information, refer to 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 or replace terminals. 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 SOLENOID, VDC SWITCH-OVER VALVE AND ACTUATOR RELAY POWER SUPPLY CIRCUIT DTC Display item Malfunction detected condition Possible cause C1121 FR LH OUT ABS SOL When the control unit detects a malfunction in the front • ABS actuator and electric unit (control unit) C1123 FR RH OUT ABS SOL When the control unit detects a malfunction in the front C1125 RR LH OUT ABS SOL When the control unit detects a malfunction in the rear LH C1127 RR RH OUT ABS SOL When the control unit detects a malfunction in the rear Self-diagnosis results FR LH OUT ABS SOL FR RH OUT ABS SOL RR LH OUT ABS SOL RR RH OUT ABS SOL |