Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

(a) Partially immerse the sensor in water and warm up the water.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Approx. 20°C (68°F)

2.32 k to 2.59 kΩ

1 - 2

Approx. 80°C (176°F)

0.310 k to 0.326 kΩ

If the result is not as specified, replace the engine coolant temperature sensor.

NOTICE:

When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.

HINT:

If the result is as specified, do not replace the engine coolant temperature sensor.

    Components

    Installation

    See More:

    Toyota Tundra Owners Manual > Steps to take in an emergency: If your vehicle overheats
    The following may indicate that your vehicle is overheating: The needle of the engine coolant temperature gauge enters the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) "ENGINE COOLANT OVERTEMP" is shown on the multi-information display. Stea ...

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    Toyota Tundra Service Manual

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