Blower Unit Removal and Installation

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

SRS components are located in this area. Review the SRS component locations for the appropriate year:

'03 model (see COMPONENT LOCATION INDEX )
'04-06 models (see 2004-2006 MODELS )

Also review the precautions and procedures (see PRECAUTIONS AND PROCEDURES ) in the SRS section before performing repairs or service.

Make sure you have the anti-theft codes for the radio and the navigation system, then write down the frequencies for the radio's preset buttons.
Disconnect the negative cable from the battery.
Remove the front passenger's airbag (see FRONT PASSENGER'S AIRBAG REPLACEMENT ).
Remove the evaporator (see EVAPORATOR REMOVAL AND INSTALLATION ).
Disconnect the connectors from the right engine compartment wire harnesses and the SRS main harness.

Fig 1: Disconnecting Connectors From Right Engine Compartment Wire Harnesses And SRS Main Harness
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the connectors (A) from the blower motor, the power transistor, and the recirculation control motor, then remove the wire harness clips (B). Remove the mounting nuts, the mounting bolt and the blower unit (C).

Fig 2: Removing Mounting Nuts, Mounting Bolt And Blower Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the unit in the reverse order of removal, and note these items:
- Make sure that there is no air leakage.
- For evaporator and A/C-related information, refer to evaporator removal and installation (see EVAPORATOR REMOVAL AND INSTALLATION ).
- Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
- Do the power window control unit resetting procedure (see RESETTING THE POWER WINDOW CONTROL UNIT ).
- Enter the anti-theft codes for the radio and the navigation system, then enter the customer's radio station presets.