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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Air Temperature Sensor ( Ambient / Intake ): Testing and Inspection

Intake Air Temperature Sensor:




Intake Air Temperature Sensor:




Intake Air Temperature Sensor:





HARNESS INSPECTION




SENSOR INSPECTION
1. Disconnect the volume air flow sensor connectors.

Intake Air Temperature Sensor:





2. Measure resistance between terminals 5 and 6.

Intake Air Temperature Sensor:





3. Measure resistance while heating the sensor using a hair drier.

Intake Air Temperature Sensor:





4. If resistance does not decrease as heat increases or the resistance remains unchanged replace the volume air flow sensor assembly.

Intake Air Temperature Sensor:





INSPECTION USING SCAN TOOL