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Home >> Cadillac >> 2005 >> DeVille V8-4.6L VIN Y >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Service and Repair >> HVAC Control Module Replacement
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HVAC Control Module Replacement



HVAC CONTROL MODULE REPLACEMENT

REMOVAL PROCEDURE




1. Remove the instrument panel center trim plate (1).
2. Depress and hold the locking tabs, located on the 4 corners of the HVAC control assembly. Pull the HVAC control away from the instrument panel.
3. Disconnect the electrical connectors from the HVAC control.




4. Remove the HVAC control assembly (1) from the instrument panel.

INSTALLATION PROCEDURE




1. Connect the HVAC electrical connectors.

IMPORTANT: The ignition must be in the OFF position when connecting the electrical connectors to ensure proper actuator calibration.

2. Install the HVAC control assembly (1) into the instrument panel. Push the HVAC control assembly (1) into the instrument panel opening in order to engage the retainers.




3. Install the instrument panel center trim plate (1).
4. Start the engine and let run for one minute.

IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted improper HVAC performance will result.

The engine must be running for proper calibration to occur.
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