Toyota Highlander Service Manual: Cooling fan system (3MZ-FE)

Inspection

1. INSPECT THERMOSTAT HINT: The valve opening temperature is stamped on the thermostat. (a) Immerse the thermostat in water and gradually heat the water. (b) Check the valve opening tempe ...

On-vehicle inspection

HINT: The cooling fan may rotate when the ignition switch is turned from ACC to ON. This is normal. 1. CHECK COOLING FAN OPERATION AT LOW TEMPERATURE (Below 83 C (181 F)) (a) Turn the ignition sw ...

More about Toyota Highlander:

On-vehicle inspection
1. CONNECT HAND-HELD TESTER: (a) Connect the hand-held tester to the DLC3. (b) Start the engine and run at idle. (c) Select the ACTIVE TEST mode on the hand-held tester. HINT: Please refer to the hand-held tester operator's manual for further details. 2. INSPECT ACTUATOR MOTOR OPERATION ...