Tundra 4WD V6-3.4L (5VZ-FE) (2004)
Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection
INSPECTION
1. REMOVE NO.2 TIMING BELT COVER
2. REMOVE FUEL PIPE
3. REMOVE ECT SENSOR
a. Disconnect the sensor connector.
b. Using a 19 mm deep socket wrench, remove the sensor and gasket.
4. INSPECT ECT SENSOR
Using an ohmmeter, measure the resistance between the terminals.
Resistance: Refer to the graph
If the resistance is not as specified, replace the sensor.