Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
Engine Temperature Sensor: Service and Repair
Removal
2ZR-FXE COOLING: TEMPERATURE SWITCH: REMOVAL
1. REMOVE NO. 1 ENGINE UNDER COVER
2. DRAIN ENGINE COOLANT (for Engine) See: Coolant/Service and Repair/Coolant (For Engine)
3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Disconnect the engine coolant temperature sensor connector.
(b) Using a union nut wrench (19 mm), remove the engine coolant temperature sensor.
NOTICE:
Do not apply any excessive force to the heater pipe when removing the engine coolant temperature sensor.