volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 333 > < Diagram Information and Instructions|Page 331
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Ambient Temperature Sensor / Switch HVAC: Testing and Inspection

Ambient Temperature Sensor, A/C

NOTE:  Sensor resistance drops with increasing temperature.

Check Sensor

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Use ohmmeter. Carry out measurement at room temperature approx. 2O-23 °C (68-73 °F). Ignition should be switched OFF. 

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Resistance: 30 - 40 Ohms

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If resistance is much higher: 65 - 100 Ohms, replace sensor.

Diagram Information and Instructions|Page 333 > < Diagram Information and Instructions|Page 331