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Control Module HVAC

Relays and Modules › Relays and Modules - HVAC
Unified entry — merged from multiple cross-listed pages in the original manual.

Parts

PartModule
ManufacturerCHY
OEM part #4885482AC
Price$82.10
Procedures
Blower Motor Power Module - Removal4 steps
⚠ WARNING
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 and 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 follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.
⚠ WARNING
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 follow these instructions may result in possible serious injury.
ℹ NOTE
LHD model shown. RHD model similar.
Fig. 1
Fig. 1
  1. Disconnect and isolate the negative battery cable.
  2. Lower the glove box door.
  3. Disconnect the two electrical connectors (4) from the blower motor power module (3).
  4. Remove the two screws (2) that secure the blower motor power module to the HVAC housing (1) and remove the power module.
Blower Motor Power Module - Installation5 steps
ℹ NOTE
LHD model shown. RHD model similar.
Fig. 1
Fig. 1
  1. Position the blower motor power module (3) into the HVAC housing (1).
  2. Install the two screws (2) that secure the blower motor power module to the HVAC housing. Tighten the screws to 1.2 Nm (10 in. lbs.).
  3. Connect the electrical connectors (4) to the blower motor power module.
  4. Close the glove box door.
  5. Reconnect the negative battery cable.
Blower Motor Power Module - Descriptionreference
ℹ NOTE
ATC blower motor power module shown. MTC power module similar.
Fig. 1
Fig. 1
DESCRIPTION A blower motor power module is used on this model when equipped with either the Automatic Temperature Control (ATC) heating-A/C system, or the Manual Temperature Control (MTC) heating-A/C system. The blower motor power module is mounted to the rear of the HVAC housing, directly behind the glove box. The blower motor power module consists of a molded plastic housing with an integral mounting plate (1) and two connector receptacles (2). Concealed within the housing is the power module electronic circuitry. Behind the mounting plate is a finned aluminum heat sink (3). The blower motor power module is accessed for service through the glove box opening.