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

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Humidity Sensor: Testing and Inspection

HUMIDITY SENSOR

INSPECTION
1. Ignition "ON"
2. Using the scan tool.




3. Check the frequency of humidity sensor between terminals 2 and 3.
4. If the measured resistance is not specification, substitute with a known-good humidity sensor and check for proper operation.
5. If the problem is corrected, replace the Humidity sensor.