44 AIRCONDITIONING TROUBLE SHOOTING : No. Troubles Main Inspection Areas Others 1 Fuse is blown easily O O O O 2 No blower operation O O O O Heater relay, Blower motor, Blower resistor, Blower switch 3 Blower speed does not changes O O O O Blower Resistor, Blower Switch 4 No compressor operation O O O O Magnetic clutch & relay, Compressor, Heater relay, A/C switch 5 A/C lamp does not light O O O O Engine RPM signal lines, A/C switch 6 No A/C operation O O O O O (No cool air comes out) 7 Room temp. does not decrease O O O O O O (insufficient cooling) 8 No warm air comes out O Engine coolant volume, A/C temp. Control lever, Heater radiator 9 No condenser fan operation O O O O O Relays (for condenser fan, radiator fan), Condenser fan motor, condenser fuse. 10 No engine idle-up when A/C is on. O O O Idle-up VSV, Idle-up actuator, Vacuum hose line Note: * Sensors are thermister, pressure switch and water temp. switch. Fuses Connectors Wire Harness Body Ground Servo Motors Sensor Circuit*
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