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EC-138 < COMPONENT DIAGNOSIS > [VQ35HR] U1010 CONTROL UNIT (CAN) U1010 CONTROL UNIT (CAN) Description INFOID:0000000000956525 CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul- DTC Logic INFOID:0000000000956526 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000000956527 1. INSPECTION START With CONSULT-III 1. Turn ignition switch ON. 2. Select “SELF-DIAG RESULTS” mode with CONSULT-III. 3. Touch “ERASE”. 4. Perform DTC Confirmation Procedure. 5. Check DTC. With GST 1. Turn ignition switch ON. 2. Select “Service $04” with GST. 3. Perform DTC Confirmation Procedure. 4. Check DTC. Is the DTC U1010 displayed again? YES >> GO TO 2. NO >> INSPECTION END 2. REPLACE ECM 1. Replace ECM. 2. Go to EC-15, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require- >> INSPECTION END DTC No. Trouble diagnosis name DTC detecting condition Possible cause U1010 CAN communication bus When detecting error during the initial diagno- • ECM |