volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Blower Motor > < Diagram Information and Instructions
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Ambient Temperature Sensor / Switch HVAC: Testing and Inspection

Ambient Temperature Sensor, A/C

1.

Remove glovebox.

2.

Remove sensor from the blower housing.

3.

Check sensor resistance with an ohmmeter.  At room temperature, resistance should be:

30-40 Ohms

4.

If resistance exceeds 65-100 Ohms, replace sensor and recheck.

NOTE:

Sensor is NTC.  Resistance should decrease as temperature increases.

Blower Motor > < Diagram Information and Instructions