Manuals through 2025 now available!

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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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Coolant Temperature Sensor / Switch HVAC: Testing and Inspection

INSPECTION

1. Ignition "OFF".
2. Disconnect water temperature sensor connector.
3. Using the multi-tester, Measure resistance between terminal "1" and "2" of water temperature sensor.
4. If the measured resistance is not specification, substitute with a known-good water temperature sensor and check for proper operation.

5. If the problem is corrected, replace the water temperature sensor.