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POWER SUPPLY AND GROUND CIRCUIT HAC-65 < COMPONENT DIAGNOSIS > [WITHOUT 7 INCH DISPLAY] C D E F G H J K L M A B HAC N O P POWER SUPPLY AND GROUND CIRCUIT A/C AUTO AMP. A/C AUTO AMP. : Diagnosis Procedure INFOID:0000000003941309 1. CHECK FUSE Check 10A fuses [Nos. 3, 6 and 19, located in the fuse block (J/B)]. PG-101, "Fuse, Connector and Terminal Arrangement" Is the inspection result normal? YES >> GO TO 2. NO >> Replace the fuse after repairing the applicable circuit. 2. CHECK A/C AUTO AMP. POWER SUPPLY CIRCUIT 1. Disconnect the A/C auto amp. connector. 2. Check voltage between A/C auto amp. harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair the harnesses or connectors. 3. CHECK A/C AUTO AMP. CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Check continuity between A/C auto amp. harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Repair the harnesses or connectors. A/C CONTROL A/C CONTROL : Diagnosis Procedure INFOID:0000000003846370 1. CHECK A/C CONTROL POWER SUPPLY CIRCUIT 1. Disconnect the A/C control connector. 2. Turn ignition switch ON. 3. Check voltage between A/C control harness connector and ground. (+) ( − ) Voltage A/C auto amp. — Ignition switch position Connector Terminal OFF ACC ON M50 17 Ground Approx. 0 V Battery voltage Battery voltage 20 Approx. 0 V Approx. 0 V Battery voltage 40 Battery voltage Battery voltage Battery voltage A/C auto amp. — Continuity Connector Terminal M50 19 Ground Existed 39 (+) ( − ) Voltage A/C control — Connector Terminal M95 1 Ground Battery voltage |