On-Vehicle Inspection

WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Fan Speed Condition Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Test conditions:
- Ignition switch ON
- Blower speed control switch position "HI"
- Temperature control dial at "MAX. COOL" position
- Install manifold gauge set"
- A/C switch ON
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.
3. Check that the fan rotates smoothly, and then check the reading on the ammeter.
  Specified amperage: 8.5 - 11.5 A at 20 °C (68 °F)
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 temp. switch.

Fig 2: Inspecting Condenser Fan Motor Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002