Temperature Sensor (Gauge): Testing and Inspection

ENGINE COOLANT TEMPERATURE GAUGE UNIT CHECK




1. Drain the engine coolant.
(Refer to Maintenance Service.)
2. Remove the engine coolant temperature gauge unit.
3. Immerse the unit in 70 °C (158 °F) water to measure the resistance.

Standard value: 104 ± 13.5 Ohms




4. After checking, apply the specified sealant around the thread of engine coolant temperature gauge unit.

Specified sealant:
3M Adhesive Nut Locking No. 4171 or equivalent

5. Add engine coolant.
(Refer to Maintenance Service.)