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Home >> Lexus >> 2000 >> GS 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
Inspect the fan operation, as shown in the chart below. Test conditions:
- Ignition switch ON
- Blower speed control switch position "HI"
- Temperature control dial at "MAX. COOL"
- Install manifold gauge set"
- A/C switch ON
If operation is not as specified, proceed to the next inspection.




2. INSPECT CONDENSER FAN MOTOR OPERATION
a. Disconnect the fan connector.
b. Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 1 then check that motor operations smoothly.
- If operation is not as specified, replace the fan motor.
- If operation is as specified, check the pressure switch, cooling fan relays and engine coolant temperature switch.
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