REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER 2. REMOVE V-BANK COVER SUB-ASSEMBLY 3. DRAIN ENGINE COOLANT
4. REMOVE ENGINE COOLANT TEMPERATURE SENSOR  (a) Disconnect the sensor connector. (b) Using a 19 mm ball joint lock nut wrench, remove the sensor. (c) Remove the gasket from the sensor. |
Toyota Tundra Service Manual > Sfi System: Engine Coolant Temperature / Intake Air Temperature Correlation (P011B)
DESCRIPTION The engine has two temperature sensors, an Engine Coolant Temperature (ECT) sensor and an Intake Air Temperature (IAT) sensor, to detect temperature while the engine is in operation. A thermistor, whose resistance value varies according to temperature, is built into each sensor. When the ...
