Coolant Temperature Sensor/Switch (For Computer): Service and Repair

ENGINE COOLANT TEMPERATURE SENSOR (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO.3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE RADIATOR LOWER AIR DEFLECTOR
3. DRAIN ENGINE COOLANT





4. REMOVE ENGINE COOLANT TEMPERATURE SENSOR
(a) Disconnect the engine coolant temperature sensor connector.
(b) Using a deep socket wrench 19, remove the engine coolant temperature sensor and gasket.
5. INSTALL ENGINE COOLANT TEMPERATURE SENSOR
(a) Using a deep socket wrench 19, install a new gasket and the engine coolant temperature sensor.
Torque: 20 N-m (200 kgf-cm, 14 ft-lbf)
(b) Connect the engine coolant temperature sensor connector.

6. CONNECT ENGINE WIRE NO.3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N-m (55 kgf-cm, 48 in.-lbf)
7. ADD ENGINE COOLANT
8. CHECK FOR ENGINE COOLANT LEAKS
9. INSTALL RADIATOR LOWER AIR DEFLECTOR
10. SYSTEM INITIALIZATION