Insufficient or No Cooling

1. Magnetic clutch does not engage:
a. Blown fuse or circuit breaker.
b. Defective magnetic clutch.
c. Defective relay.
d. Defective A/C switch (if equipped)
e. Defective temperature control resistor (if equipped).
f. Defective blower switch.
g. Defective thermistor.
h. Faulty wiring connections.
i. Defective idling stabilizer amplifier.
j. Defective revolution sensor (Camry).
k. Defective pressure switch.
2. Compressor does not rotate properly:
a. Loose or worn drive belt.
b. Defective compressor.
3. Blower does not rotate properly:
a. Blown fuse.
b. Defective blower control switch.
c. Defective blower control resistor.
d. Defective blower motor.
e. Defective wiring connections.
f. Defective relay.
g. Defective magnetic valve (Van).
4. Condenser fan inoperative:
a. Open fusible link.
b. Defective relay.
c. Defective motor.
5. Mechanical malfunctions:
a. Defective expansion valve.
b. Defective compressor.
c. Broken refrigerant line.
d. Leak in system.
e. Blown receiver fusible plug.
f. Defective compressor shaft seal.
g. Clogged screen in receiver.