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: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), whic ...