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:
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. |
Toyota Tundra Service Manual > Sfi System: Throttle / Pedal Position Sensor / Switch "D" Circuit (P2120,P2122,P2123,P2125,P2127,P2128,P2138)
DESCRIPTION The accelerator pedal position sensor is mounted on the accelerator pedal bracket and has 2 sensor circuits: VPA (main) and VPA2 (sub). This sensor is a non-contact type and uses Hall-effect elements in order to yield accurate signals even in extreme driving conditions, such as at high s ...
