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AV-236 < DTC/CIRCUIT DIAGNOSIS > [WITH NAVIGATION] U1310 NAVI CONTROL UNIT U1310 NAVI CONTROL UNIT DTC Description INFOID:0000000010714899 DTC DETECTION LOGIC POSSIBLE CAUSE NAVI control unit FAIL-SAFE The system which is using AV communication does not operate DTC CONFIRMATION PROCEDURE NOTE: switch OFF. For this reason, when performing diagnosis, turn the ignition switch OFF and wait for 3 minutes • The operation of the vehicle during standby may cause an accessory power supply. 1. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT 1. Turn ignition switch ON. 2. Turn ignition switch OFF and wait for 3 minutes with the driver's door opened. 3. Turn ignition switch ON and wait at least 30 seconds or more. 4. Select “Self Diagnostic Result” mode of “MULTI AV” using CONSULT. 5. Check DTC. Is DTC U1310 detected? YES >> Refer to . NO-1 >> To check malfunction symptom before repair: Refer to GI-44, "Intermittent Incident" . NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000010714900 1. PERFORM DTC CONFIRMATION PROCEDURE AGAIN With CONSULT 1. Turn the ignition switch ON. 2. Erase DTC. 3. Perform DTC confirmation procedure again. Refer to . Is DTC U1310 detected again? YES >> Replace NAVI control unit. Refer to AV-262, "Removal and Installation" NO >> INSPECTION END DTC Trouble diagnosis (Trouble diagnosis contents) Detection condition U1310 CONTROL UNIT (AV) AV communication circuit initial diagnosis malfunction is detected |