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Trouble Diagnosis|Page 8773 > < Control Assembly, HVAC|Description and Operation

Altima XE L4-2.4L (KA24DE) (1999)

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Control Assembly: Testing and Inspection
Trouble Diagnosis

Check power supply circuit for push control unit with ignition switch ON.

1. Disconnect push control unit harness connector.
2. Connect voltmeter from harness side.
3. Measure voltage across terminal No.(14) and body ground.

Check body ground circuit for push control unit with ignition switch OFF.

1. Disconnect push control unit harness connector. 
2. Connect ohmmeter from harness side. 
3. Check for continuity between terminal No.(12) and body ground.

Trouble Diagnosis|Page 8773 > < Control Assembly, HVAC|Description and Operation