Toyota Highlander Service Manual: Inspection
1. INSPECT RELAY (Marking: FAN NO. 1, FAN NO. 3)
(a) Check the resistance of the relay.
Standard:
If the result is not as specified, replace the relay.
2. INSPECT RELAY (Marking: FAN NO. 2)
(a) Check the resistance of the relay.
Standard:
If the result is not as specified, replace the relay.
3. INSPECT ECT SWITCH (NO. 1)
(a) Check the resistance.
Standard:
If the result is not as specified, replace the switch.
NOTICE: When checking the ECT sensor in water, the terminals should be kept dry. After the check, dry the sensor.
4. INSPECT ECT SWITCH (NO. 2)
(a) Check the resistance.
Standard:
If the result is not as specified, replace the switch.
NOTICE: When checking the ECT sensor in water, the terminals should be kept dry. After the check, dry the sensor.
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 ...
Coolant (3MZ-FE)
REPLACEMENT
1. DRAIN ENGINE COOLANT
(a) Remove the radiator cap.
CAUTION:
Do not remove the radiator cap while the engine and radiator are still hot.
Pressurized, hot engine
coolant and steam m ...
More about Toyota Highlander:
Precaution
1. PRECAUTION OF HEADLAMP BULB REPLACEMENT
(a) If even a thin film of oil is left on the surface of the halogen lamp,
the bulb may be damaged because
the lamp will burn at a higher temperature.
(b) Handle any halogen lamp with great care. Dropping, hitting or damaging the
bulb, in any way, ma ...
