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C16A0 HV ECU STC-31 < COMPONENT DIAGNOSIS > C D E F H I J K L M A B STC N O P C16A0 HV ECU Description INFOID:0000000004212858 • HV ECU (Hybrid Vehicle Control ECU) transmits the following signals via CAN communication to EPS con- trol unit. - Power steering assist permission signal - Power steering assist stop request signal - READY status signal • HV ECU (Hybrid Vehicle Control ECU) receives the following signals via CAN communication from EPS con- trol unit - Power steering assist signal DTC Logic INFOID:0000000004212859 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. ERASE DTC MEMORY With CONSULT-III 1. Record DTC. 2. Erase DTC once. NOTE: After erasing DTC record, currently occurred DTC can be detected by reading out DTC again. >> GO TO 2. 2. PERFORM DTC CONFIRMATION With CONSULT-III 1. Turn the ignition switch ON (READY). 2. Drive at 30 km/h (19 MPH) or more for approx. 1 minute. 3. Steer 360 ° leftward and rightward slowly. 4. Return the steering wheel to the straight-ahead position. 5. Perform the self-diagnosis. YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000004212860 1. PERFORM SELF-DIAGNOSIS AGAIN With CONSULT-III Perform “DTC CONFIRMATION PROCEDURE” (self-diagnosis) again. Refer to Is DTC “U0293” detected? YES >> Proceed to . NO >> GO TO 2. 2. CHECK WITH HV ECU With CONSULT-III Perform HV ECU self-diagnosis. YES >> Check the error system. NO >> Replace EPS control unit. Refer to STC-58, "Removal and Installation" . DTC Item (CONSULT-III screen term) DTC detecting condition Possible cause C16A0 HV ECU Malfunction has been detected from HV ECU. • HV ECU |