On-Vehicle Inspection

WARNING: This page is about a different car, the 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT CONDENSER FAN OPERATION
Inspect the fan operation in these conditions, as shown in the chart below.

Test conditions:
- Start engine
- Blower speed control switch position "HI"
- Temperature control dial at "COOL" position
- Set manifold gauge set
- A/C switch ON
Fig 1: Condenser Fan Operation Specifications Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If operation is not as specified, proceed to the next inspection.
INSPECT CONDENSER FAN MOTOR OPERATION
1. Disconnect the fan connector.
2. Connect battery and ammeter to the fan connector, as shown in the illustration.
3. Check that the fan rotates smoothly and check the reading on the ammeter.
  1. Specified amperage: 9.8 +/- 1.5 A at 20°C (68°F)
  - If operation is not as specified, replace the fan motor. (See RADIATOR )
    
    Fig 2: Connecting Battery And Ammeter To Fan Connector
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  - If operation is as specified, check the pressure switch, cooling fan relays and water temp. switch.
    (See COMPONENT TESTS )