Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Engine Temperature Sensor: Testing and Inspection

Fig. 10 Temperature Sensor Testing:





1. Disconnect temperature sensor electrical connector.
2. Connect ohmmeter between sensor pins.
3. Resistance will vary depending on coolant temperature. Compare resistance reading will Fig. 10.
4. Replace temperature sensor is resistance is not as specified.