Toyota Highlander manuals

Toyota Highlander Service Manual: Inspection

1. INSPECT RELAY (Marking: FAN NO. 1, FAN NO. 3)

INSPECT RELAY (Marking: FAN NO. 1, FAN NO. 3)


(a) Check the resistance of the relay.

Standard:

INSPECT RELAY (Marking: FAN NO. 1, FAN NO. 3)


If the result is not as specified, replace the relay.

2. INSPECT RELAY (Marking: FAN NO. 2)

INSPECT RELAY (Marking: FAN NO. 2)


(a) Check the resistance of the relay.

Standard:

INSPECT RELAY (Marking: FAN NO. 2)


If the result is not as specified, replace the relay.

3. INSPECT ECT SWITCH (NO. 1)

INSPECT ECT SWITCH (NO. 1)


(a) Check the resistance.

Standard:

INSPECT ECT SWITCH (NO. 1)


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)

INSPECT ECT SWITCH (NO. 2)


(a) Check the resistance.

Standard:

INSPECT ECT SWITCH (NO. 2)


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:

Overhaul
1. REMOVE DRAIN PLUG (a) Remove the drain plug. (b) Remove the O-ring. 2. ASSEMBLE SST SST 09230-01010 (a) Install the claw to the overhaul handle, inserting it into the hole in part A as shown in the illustration. (b) While gripping the handle, adjust the stopper bolt so that dimension ...

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