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AV-162 < DTC/CIRCUIT DIAGNOSIS > POWER SUPPLY AND GROUND CIRCUIT Is the inspection result normal? YES >> GO TO 3. NO >> Check harness between front display unit and fuse. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect front display unit connector. 3. Check continuity between front display unit harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Repair harness or connector. HEADREST DISPLAY UNIT HEADREST DISPLAY UNIT : Diagnosis Procedure INFOID:0000000006216321 1. CHECK FUSE Check for blown fuses. Is the inspection result normal? YES >> GO TO 2. NO >> Be sure to eliminate cause of malfunction before installing new fuse. 2. CHECK POWER SUPPLY CIRCUIT Check voltage between headrest display unit harness connector and ground. • *1: Headrest display unit LH Is the inspection result normal? YES >> GO TO 3. NO >> Check harness between headrest display unit and fuse. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect headrest display unit connector. 3. Check continuity between headrest display unit harness connector and ground. • *1: Headrest display unit LH Signal name Connector Terminal Ignition switch position Value (Approx.) Battery power supply M215 11 OFF Battery voltage ACC power supply M215 23 ACC Battery voltage Signal name Connector Terminal Ignition switch position Continuity Ground M215 12 OFF Existed Power source Fuse No. Battery 35 Signal name Connector Terminal Ignition switch position Value (Approx.) Battery power supply B554 *1 B574 *2 2 OFF Battery voltage 4 Signal name Connector Terminal Ignition switch position Continuity Ground B554 *1 B574 *2 1 OFF Existed 3 |