Protege LX L4-1.6L DOHC (2000)
Condenser Fan Relay: Testing and Inspection
Cooling Fan Control Inspection
Cooling Fan Operation
Condenser fan relay
1. Verify that A/C switch and fan switch are off.
2. Start the engine and let it idle.
3. Verify that the condenser fan is not operating.
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If condenser fan is operating, inspect for the following:
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Condenser fan relay is stuck in closed position.
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Short to power in circuit between condenser fan relay and condenser fan
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Short to GND in circuit between refrigerant pressure switch and PCM terminal 41
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Short to GND circuit between condenser fan relay and PCM terminal 45
4. Turn the A/C switch and fan switch on.
5. Verify that the condenser fan is operating and operation sound of A/C compressor magnetic clutch is heard.
6. Turn the A/C switch and fan switch off.
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If the condenser fan does not operate but operation sound of A/C compressor magnetic clutch is heard, inspect for the following:
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Open circuit between ignition switch and condenser fan relay
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Open circuit between battery and condenser fan relay
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Open circuit between condenser fan relay and PCM terminal 45
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Open circuit between condenser fan relay and condenser fan motor or fan motor GND
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Condenser fan relay for being stuck open.
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Condenser fan motor
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If both condenser fan and A/C compressor do not operate, inspect the following:
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TP V PID
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A/C system