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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Component Inspection

1. Disconnect the connector from the Water Temperature Sensor.
2. Using an Ohmmeter, measure the resistance between the terminals.

Testing Water Temperature Sensor:





3. Refer to the specification chart and compare readings with appropriate temperature parameters.

Water Temperature Sensor (THW):





4. If readings are not as specified, replace the Water Temperature Sensor.