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HAC-54 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] U1010 CONTROL UNIT (CAN) U1010 CONTROL UNIT (CAN) Description INFOID:0000000011276595 Initial diagnosis of A/C auto amp. DTC Logic INFOID:0000000011276596 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM SELF-DIAGNOSIS With CONSULT 1. Turn ignition switch ON. 2. Perform “Self Diagnostic Result” of “HVAC”. 3. Check if any DTC No. is displayed in the self-diagnosis results. YES >> Refer to NO >> Inspection End. Diagnosis Procedure INFOID:0000000011276597 NOTE: This DTC can be set if the BCM is placed in transit mode. Confirm if the DTC is CURRENT or PAST. If PAST, perform the following steps before carrying out Diagnosis Procedure. 1. Clear DTC using CONSULT. Refer to HAC-22, "CONSULT Function (HVAC)" 2. Perform OPERATION INSPECTION. Refer to 3. Perform “Self Diagnostic Result” of “HVAC” using CONSULT. Refer to 4. If DTC resets, proceed with Diagnosis Procedure. 1. REPLACE A/C AUTO AMP. Replace A/C auto amp. Refer to HAC-103, "Removal and Installation" . >> Inspection End. DTC Items (CONSULT screen terms) DTC detection condition Possible cause U1010 CONTROL UNIT (CAN) When detecting error during the initial diag- A/C auto amp. |