|
|
FRONT BLOWER MOTOR HAC-39 < DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONING] C D E F G H J K L M A B HAC N O P 2. Disconnect front air control connector. 3. Check continuity between front air control harness connector and ground. Is the inspection result normal? YES >> GO TO 6. NO >> Repair harness or connector. 6. CHECK FAN SWITCH 4TH POSITION CIRCUIT FOR OPEN Check continuity between front air control harness connector and front blower motor harness connector. Is the inspection result normal? YES >> GO TO 10. NO >> Repair the harness or connector. 7. CHECK FRONT BLOWER MOTOR RESISTOR POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect front blower motor resistor connector. 3. Turn ignition switch ON. 4. Check voltage between front blower motor resistor harness connector and ground. Is the inspection result normal? YES >> GO TO 8. NO >> Repair harness or connector between front blower motor resistor and front blower motor. 8. CHECK FAN SWITCH 1ST, 2ND, AND 3RD POSITION CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect front air control. 3. Check continuity between front air control harness connector and front blower motor resistor. Is the inspection result normal? YES >> GO TO 9. NO >> Repair harness or connector. 9. CHECK FRONT BLOWER MOTOR RESISTOR Check front blower motor resistor. Refer to HAC-40, "Component Inspection (Front Blower Motor Resistor)" Is the inspection result normal? YES >> GO TO 10. Front air control — Continuity Connector Terminal M33 6 Ground Yes Front air control Front blower motor Continuity Connector Terminal Connector Terminal M33 1 M62 2 Yes + − Voltage (V) (Approx.) Front blower motor resistor Connector Terminal M151 1 Ground Battery voltage Front air control Front blower motor resistor Continuity Connector Terminal Connector Terminal M33 2 M151 2 Yes 3 3 4 4 |