Open circuit

1. Pull off connectors A and B on the heating/air conditioning control.

2. Connect ohmmeter to connectors A 12 and B 5. Display: approx. 2.8 kft at 23 °C.

3. Pull off connector on the blower outlet sensor.

4. Connect ohmmeter to connector A 12 and blower outlet sensor connector pin 2.

5. Connect ohmmeter to connector B 5 and blower outlet sensor connector pin 1.

6. Connect voltmeter to connector B 5 and ground. Switch on ignition.

Display: 0 Volt

If approx. 5 Volt is displayed, check the wiring for pinching and chafing

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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