Heater Control Unit Removal / Installation

Fig 1: Removing/Installing Heater Control Unit

Courtesy of MAZDA MOTORS CORP.

1. Remove the audio unit. See AUDIO UNIT .
2. Remove the screws. Disengage the spring clips. Detach the instrument panel finish panel.

Fig 2: Detaching Instrument Panel Finish Panel
Courtesy of MAZDA MOTORS CORP.
3. Disconnect the electrical connectors.

Fig 3: Disconnecting Electrical Connectors
Courtesy of MAZDA MOTORS CORP.
NOTE:
- The number and location of the electrical connectors will vary dependent on vehicle equipment.
5. Remove the screws and the climate control assembly.

Fig 4: Removing/Installing Climate Control Assembly Screws With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
6. Disconnect the climate control assembly.
- Disconnect the electrical connectors.
- Disconnect the vacuum harness connector.
NOTE:
- If installing a new climate control assembly, the function selector switch and the blower motor switch must be transferred from the old unit. See HEATER CONTROL SWITCH REMOVAL / INSTALLATION .
7. To install, reverse the removal procedure.