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CCS C1A27 ECD POWER SUPPLY CIRCUIT CCS-63 < COMPONENT DIAGNOSIS > [INTELLIGENT CRUISE CONTROL] C D E F G H I J K L M B N P A C1A27 ECD POWER SUPPLY CIRCUIT Description INFOID:0000000003130085 ECD (ELECTRONICALLY CONTROLLED DECELERATION) brake fluid pressure with the motor [built in ABS actuator and electric unit (control unit)]. • ECD control-related signals are transmitted by ABS actuator and electric unit (control unit) to ICC sensor integrated unit with CAN communication. DTC Logic INFOID:0000000003130086 DTC DETECTION LOGIC NOTE: . Diagnosis Procedure INFOID:0000000003130087 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) or “U0415: VDC CAN CIR 1” (DTC 126), Is any DTC detected? YES >> GO TO 2. NO >> GO TO 3. 2. DIAGNOSIS FOR DETECTED DTC Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to . >> GO TO 6. 3. CHECK POWER SUPPLY CIRCUIT OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) Check power supply circuit of ABS actuator and electric unit (control unit). Refer to . Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 4. 4. REPAIR OR REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY Repair or replace ABS actuator and electric unit (control unit) power supply. >> GO TO 6. 5. PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 1. Perform self-diagnosis of ABS actuator and electric unit (control unit). DTC No. (On board display) Trouble diagnosis name DTC detecting condition Possible cause C1A27 (27) ECD PWR SUPLY CIR ECD system power supply voltage is excessively • ABS actuator and electric unit (con- trol unit) power supply circuit • ABS actuator and electric unit (con- trol unit) |