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HAC-56 < COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] BLOWER MOTOR CONTROL SYSTEM Check voltage between variable blower control (rear) harness con- Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 8. 5. CHECK VARIABLE BLOWER CONTROL (REAR) GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Check continuity between variable blower control (rear) harness Is the inspection result normal? YES >> GO TO 6. NO >> Repair harness or connector. 6. CHECK REAR BLOWER MOTOR Check rear blower motor. Refer to HAC-59, "Rear Blower Motor And Relay Component Inspection" . Is the inspection result normal? YES >> GO TO 7. NO >> Replace rear blower motor. Refer to VTL-13, "Removal and Installation" . 7. CHECK VARIABLE BLOWER CONTROL (REAR) BLOWER MOTOR GROUND CIRCUIT Check continuity between rear blower motor connector B501 (B) ter- Is the inspection result normal? YES >> Replace A/C auto amp. Refer to NO >> Repair harness or connector. 8. CHECK VARIABLE BLOWER CONTROL (REAR) AUX BLOWER SPEED CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between A/C auto amp. harness connector Is the inspection result normal? YES >> Replace A/C auto amp. Refer to NO >> Repair harness or connector. 9. CHECK FUSES Check 15A fuses [Nos. 10 and 11, located in the fuse block (J/B)]. Connector Terminals Voltage (Ap- prox.) (+) (-) Variable blower control: B133 3 Ground 4.5 V AWIIA0246ZZ Continuity should exist. AWIIA0247ZZ Continuity should exist. AWIIA0248ZZ Continuity should exist. AWIIA0249ZZ |