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HAC-108 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] POWER SUPPLY AND GROUND CIRCUIT POWER SUPPLY AND GROUND CIRCUIT A/C AUTO AMP. A/C AUTO AMP. : Diagnosis Procedure INFOID:0000000010432228 1. CHECK FUSE 1. Turn ignition switch OFF. 2. Check 10 A fuse [No. 14 (without stop/start system), located in fuse block (J/B)], [No. 76 (with stop/start PG-104, "Fuse, Connector and Terminal Arrangement" Is the inspection result normal? YES >> GO TO 2. NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 2. CHECK A/C AUTO AMP. ACCESSORY POWER SUPPLY 1. Disconnect A/C auto amp. connector. 2. Turn ignition switch ON. 3. Check voltage between A/C auto amp. harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair harness or connector between A/C auto amp. and fuse. 3. CHECK A/C AUTO AMP. GROUND CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Check continuity between A/C auto amp. harness connector and ground. Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-129, "Removal and Installation" . NO >> Repair harness or connector. A/C CONTROL A/C CONTROL : Diagnosis Procedure INFOID:0000000010432229 1. CHECK FUSE 1. Turn ignition switch OFF. 2. Check 10 A fuse [No. 14 (without stop/start system), located in fuse block (J/B)], [No. 76 (with stop/start PG-104, "Fuse, Connector and Terminal Arrangement" Is the inspection result normal? YES >> GO TO 2. NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 2. CHECK A/C CONTROL POWER SUPPLY 1. Turn ignition switch OFF. + − Voltage A/C auto amp. Connector Terminal M141 41 Ground 11 - 14 V A/C auto amp. — Continuity Connector Terminal M141 43 Ground Existed |