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AV U1300 AV COMM CIRCUIT AV-221 < DTC/CIRCUIT DIAGNOSIS > [NAVIGATION] C D E F G H I J K L M B A O P U1300 AV COMM CIRCUIT DTC Logic INFOID:0000000010435721 DTC DETECTION LOGIC Diagnosis Procedure INFOID:0000000010435722 1. PERFORM SELF DIAGNOSTIC RESULT FOR METER M&A 1. Turn ignition switch ON and wait for 2 seconds or more. 2. Perform “Self Diagnostic Result” for “METER M&A”. Are any DTCs displayed? YES >> Refer to . NO >> GO TO 2. 2. CHECK AV COMMUNICATION CIRCUIT (MCAN L) CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect AV control unit connector M49 and combination meter connector M52. 3. Check continuity between AV control unit connector M49 and combination meter connector M52. 4. Check continuity between AV control unit connector M49 and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness or connectors. 3. CHECK AV COMMUNICATION CIRCUIT (MCAN H) CONTINUITY 1. Check continuity between AV control unit connector M49 and combination meter connector M52. 2. Check continuity between AV control unit connector M49 and ground. CONSULT Display DTC Detection Condition Possible Cause AV COMM CIRCUIT AV communication circuit malfunction (MCAN) AV communication circuits between AV control AV control unit Combination meter Continuity Connector Terminal Connector Terminal M49 32 M52 48 Yes 39 AV control unit Ground Continuity Connector Terminal M49 32 — No 39 AV control unit Combination meter Continuity Connector Terminal Connector Terminal M49 31 M52 47 Yes 38 AV control unit Ground Continuity Connector Terminal M49 31 — No 38 |