Operation CHARM: Car repair manuals for everyone.
Home >> Lexus >> 2000 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Condenser Fan >> Testing and Inspection
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Condenser Fan: Testing and Inspection

1. INSPECT CONDENSER FAN OPERATION
Check the fan operation at each temperature and refrigerant pressure, as shown in the chart below.




If operation is not as specified, proceed next inspection.




2. INSPECT FAN MOTOR OPERATION
a. Disconnect the connector.
b. Connect the battery and ammeter to fan motor connector, as shown in the illustration.
c. Check the fan rotates smoothly and check the reading on ammeter.
Specified amperage: 4.2 - 4.4 A
If operation is not as specified, replace the fan motor.
If operation is as specified, check the fan relay, pressure switch and pressure switch.
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