LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1994 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Coolant Temperature Sensor/Switch (For Computer) >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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

REMOVAL




1. Disconnect negative (-) terminal cable from battery.

CAUTION: Work must be started after 90 seconds from the time the ignition switch is turned to the LOCK position and the negative (-) terminal cable is disconnected from the battery.

2. Drain engine coolant.
3. Remove Engine Coolant Temperature (ECT) Sensor.
- Disconnect the ECT Sensor connector.





- Using a 19 mm deep socket wrench. remove the ECT Sensor and gasket.

INSTALLATION

1. Install a new gasket to the ECT Sensor.
2. Using a 19 mm deep socket, install the ECT Sensor.

Torque: 20 Nm (14 ft lb)

3. Connect the ECT Sensor connector.
4. Refill With Engine Coolant

Capacity: 8.7 liters (9.2 US qts)

5. Reconnect Negative (-) Terminal Cable To Battery.