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:
Approach warning
When your vehicle is too close to a vehicle ahead, and sufficient automatic
deceleration via the cruise control is not possible, the display
will flash and the buzzer will sound to alert the driver. An example of
this would be if another driver cuts in front of you while you are following
a vehi ...
