Control Module HVAC: Service and Repair

REMOVAL

WARNING:
- ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE NEGATIVE BATTERY (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY OR DEATH.
- THE HEAT SINK FOR THE BLOWER MOTOR POWER MODULE MAY GET VERY HOT DURING NORMAL OPERATION. IF THE BLOWER MOTOR WAS TURNED ON PRIOR TO SERVICING THE BLOWER MOTOR POWER MODULE, WAIT FIVE MINUTES TO ALLOW THE HEAT SINK TO COOL BEFORE PERFORMING DIAGNOSIS OR SERVICE. FAILURE TO TAKE THIS PRECAUTION CAN RESULT IN POSSIBLE PERSONAL INJURY.

1. Disconnect and isolate the battery negative cable.
2. Remove the silencer panel from right side of the instrument panel.

Blower Motor Power Module:

3. Disconnect the two wire harness connectors from the blower motor power module located at the bottom of the HVAC housing.
4. Remove the two screws that secure the blower motor power module to the HVAC housing and remove the power module.

INSTALLATION
1. Position the blower motor power module into the bottom of the HVAC housing.
2. Install the two screws that secure the blower motor power module to the HVAC housing. Tighten the screws to 2 N.m (17 in. lbs.).
3. Connect the two wire connectors to the blower motor power module.
4. Install the silencer panel to the right side of the instrument panel.
5. Reconnect the negative battery cable.