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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection






ENGINE COOLANT TEMPERATURE SENSOR INSPECTION
1. Disconnect the engine coolant temperature sensor connector.
2. Measure the resistance between the sensor terminals.
Standard value:
- 9k to 11k ohms [at 25°C (77°F)]
- 0.6k to 0.8k ohms [at 100°C (212°F)]