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DAS C1A27 ECD POWER SUPPLY CIRCUIT DAS-157 < DTC/CIRCUIT DIAGNOSIS > [DCA] C D E F G H I J K L M B N P A C1A27 ECD POWER SUPPLY CIRCUIT DTC Logic INFOID:0000000006228096 DTC DETECTION LOGIC NOTE: DAS-182, "ADAS CONTROL UNIT : DTC Logic" DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Start the engine. 2. Wait for approximately 1 minute after turning the DCA system ON. 3. Perform “All DTC Reading” with CONSULT-III. 4. Check if the “C1A27” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”. Is “C1A27” detected as the current malfunction? YES >> Refer to DAS-157, "Diagnosis Procedure" NO >> Refer to GI-40, "Intermittent Incident" . Diagnosis Procedure INFOID:0000000006228097 1. CHECK SELF-DIAGNOSIS RESULTS Check if “U1000”, “U0415” or “U0121” is detected other than “C1A27” in “Self Diagnostic Result” of “ICC/ Is any DTC detected? YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to NO >> GO TO 2. 2. 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 >> Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to . NO >> Repair the harnesses or connectors. DTC (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) |