|
|
REAR BLOWER MOTOR HAC-131 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] C D E F G H J K L M A B HAC N O P REAR BLOWER MOTOR Diagnosis Procedure INFOID:0000000006275978 1. CHECK FUSE 1. Turn ignition switch OFF. 2. Check 20A fuse [No. 16, located in fuse block (J/B)]. PG-140, "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 REAR BLOWER MOTOR POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect rear blower motor connector. 3. Turn ignition switch ON. 4. Check voltage between rear blower motor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair harness or connector between rear blower motor and fuse block (J/B). 3. CHECK REAR BLOWER MOTOR GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Check continuity between rear blower motor harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> Repair harness or connector. 4. CHECK REAR BLOWER MOTOR CONTROL SIGNAL CIRCUIT 1. Disconnect A/C auto amp. connector. 2. Check continuity between rear blower motor harness connector and A/C auto amp. harness connector. Is the inspection result normal? YES >> GO TO 5. NO >> Repair harness or connector. 5. CHECK REAR BLOWER MOTOR CONTROL SIGNAL 1. Reconnect rear blower motor connector and A/C auto amp. connector. 2. Turn ignition switch ON. 3. Operate MODE switch to set air outlet to VENT. + − Voltage Rear blower motor Connector Terminal M302 1 Ground Battery voltage Rear blower motor — Continuity Connector Terminal M302 3 Ground Existed Rear blower motor A/C auto amp. Continuity Connector Terminal Connector Terminal M302 2 M50 34 Existed |