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CCS U0121 VDC CAN 2 CCS-67 < COMPONENT DIAGNOSIS > [INTELLIGENT CRUISE CONTROL] C D E F G H I J K L M B N P A U0121 VDC CAN 2 Description INFOID:0000000003130094 ABS actuator and electric unit (control unit) transmits VDC system signal to ICC sensor integrated unit with DTC Logic INFOID:0000000003130095 DTC DETECTION LOGIC NOTE: . Diagnosis Procedure INFOID:0000000003130096 1. PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT 1. Perform self-diagnosis of ICC sensor integrated unit. 2. Check if DTC “U1000: CAN COMM CIRCUIT” (DTC 100) other than “U0121: VDC CAN CIR2” (DTC 127) Is any DTC detected? YES >> GO TO 2. NO >> GO TO 3. 2. CAN COMMUNICATION INSPECTION Perform the CAN communication system inspection. Repair or replace the applicable item. Refer to . >> GO TO 6. 3. PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 1. Perform self-diagnosis of ABS actuator and electric unit (control unit). 2. Check if DTC is detected. Refer to . Is any DTC detected? YES >> GO TO 4. NO >> GO TO 5. 4. REPAIR OR REPLACE APPLICABLE ITEM Repair or replace the applicable item identified by the self-diagnosis result. >> GO TO 6. 5. REPLACE ICC SENSOR INTEGRATED UNIT 1. Replace ICC sensor integrated unit. 2. Adjust laser beam aiming. Refer to CCS-8, "LASER BEAM AIMING ADJUSTMENT : Special Repair . >> GO TO 6. DTC No. (On board display) Trouble diagnosis name DTC detecting condition Possible cause U0121 (127) VDC CAN CIR2 When a mismatch occurs between a VDC system ABS actuator and electric unit (control |