Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Engine Coolant Temperature Sensor

Components

COMPONENTS

ILLUSTRATION

Inspection

Inspection

INSPECTION

PROCEDURE

1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

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

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

Text in Illustration

*a

Component without harness connected

(Engine Coolant Temperature Sensor)

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Approx. 20°C (68°F)

2.32 to 2.59 kΩ

Approx. 80°C (176°F)

0.310 to 0.326 kΩ

NOTICE:

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

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

Installation

INSTALLATION

PROCEDURE

1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR

HINT:

Perform "Inspection After Repair" after replacing the engine coolant temperature sensor (See page (a) Apply a light coat of engine coolant to the O-ring of the engine coolant ).

(a) Apply a light coat of engine coolant to the O-ring of the engine coolant temperature sensor.

NOTICE:

  • When reusing the engine coolant temperature sensor, inspect the O-ring.
  • Make sure that the O-ring is not cracked or jammed when installing it on the rear water by-pass joint.
  • Replace with a new part if it is dropped or if it receives a strong impact.

(b) Install the engine coolant temperature sensor to the rear water by-pass joint with the clip.

(c) Connect the connector to the engine coolant temperature sensor.

2. INSTALL INTAKE MANIFOLD

(See page Removal Removal )

Removal

REMOVAL

PROCEDURE

1. REMOVE INTAKE MANIFOLD

(See page 2. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 2. REMOVE ENGINE COOLANT TEMPERATURE SENSOR )

2. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

(a) Disconnect the connector from the engine coolant temperature sensor.

(b) Remove the clip and engine coolant temperature sensor from the rear water by-pass joint.

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