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HAC-88 < COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] BLOWER MOTOR 7. CHECK CIRCUIT CONTINUITY BETWEEN BLOWER MOTOR AND UNIFIED METER AND A/C AMP. 1. Disconnect unified meter and A/C amp. connector. 2. Check continuity between blower motor harness connector M109 terminal 2 and unified meter and A/C Is the inspection result normal? YES >> GO TO 8. NO >> Repair harness or connector. 8. CHECK UNIFIED METER AND A/C AMP. OUTPUT SIGNAL 1. Reconnect blower motor connector and unified meter and A/C amp. connector. 2. Turn ignition switch ON. 3. Set MODE switch to VENT position. 4. Change fan speed from Lo to Hi, and check duty ratios between blower motor harness connector M109 Is the inspection result normal? YES >> Replace blower motor after confirming the fan air flow does not change. NO >> Replace unified meter and A/C amp. 9. CHECK POWER VOLTAGE OF BLOWER FAN MOTOR 1. Turn ignition switch OFF. 2. Remove blower fan motor relay. Refer to PG-93, "Fuse, Connector and Terminal Arrangement" 3. Turn ignition switch ON. 4. Check the voltage between blower fan motor relay fuse block terminals 1, 3 and body ground. Refer to for relay terminal assignment. Is the inspection result normal? (+) ( − ) Continuity blower motor Unified meter and A/C amp. Connector Terminal Connector Terminal M109 2 M66 38 Continuity should exist JSIIA0068GB (+) ( − ) Voltage Blower fan motor relay — Fuse block terminal 1 Ground Battery voltage 3 |