Toyota Highlander Service Manual: Inspection
1. INSPECT RELAY (Marking: FAN NO. 1, FAN NO. 3)
(a) Measure the resistance of the relay.
Standard:
If the result is not as specified, replace the relay.
2. INSPECT RELAY (Making: FAN NO. 2)
(a) Measure the resistance of the relay.
Standard:
If the result is not as specified, replace the relay.
3. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
(a) Measure the resistance between terminals 1 and 2.
Standard:
If the result is not as specified, replace the sensor.
NOTICE: When checking the ECT sensor in the 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 WITH LOW TEMPERATURE (Below 83 C (181 F))
(a) Turn the ignition ...
Coolant (2AZ-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:
Problem symptoms table
Use the table below to help you find the cause of the problem. The causes of
the problem are listed in order
of probability in the "Suspected Area" column. Check each part in order. If
necessary, replace these parts.
Symptom
Suspected Area
Oil leak from rear differen ...
