Honda Civic/CRX/del Sol 1984-1995 Repair Guide

Recirculation Control Motor

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The recirculate/fresh switch sends a voltage signal to the recirculation control motor which then opens the recirculate/fresh door to allow outside air to enter the vehicle or to recirculate the air that is already in the vehicle.

TESTING



1984-91 Models
  1. Disconnect the negative battery cable.
  2.  
  3. Disconnect the control motor wire connector.
  4.  
  5. Connect a 12 volt positive lead to terminal 3 and the negative lead to terminal 2 of the control motor connector.
  6.  
  7. Using a jumper wire, connect terminal 2 to terminal 4 and the motor should turn to the FRESH position.
  8.  
  9. Next, connect terminal 2 to terminal 1 and the motor should turn to the REC position.
  10.  
  11. If not as specified, replace the recirculation control motor.
  12.  

1992-95 Models

See Figure 1

  1. Connect a 12 volt positive lead to terminal 1 of the recirculation motor and the negative lead to terminals 2 and 3. the recirculation control motor should run smoothly.
  2.  
  3. Next disconnect the ground from 2 or 3. The recirculation control motor should now stop at the FRESH or RECIRCULATE position.
  4.  

Do not cycle the re-circulation motor for any more time than is necessary for testing.

  1. If the recirculation control motor does not run, remove it. Check the recirculation control linkage and door for smooth movement. If the linkage moves smoothly, replace the recirculation control motor.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: Recirculation control motor terminal identification-1992-95 models

REMOVAL & INSTALLATION



  1. Disconnect the negative battery cable and disable the SRS system (if equipped.)
  2.  


WARNING
All SRS wire harnesses are covered with a yellow insulation. Read the SRS precautions found in this section and install the short connectors as described.

  1. Remove the blower motor assembly.
  2.  
  3. Remove screws attaching recirculation control motor.
  4.  
  5. Remove wire connectors.
  6.  
  7. Disconnect all linkage.
  8.  
  9. Install the control motor in position and reinstall the blower housing assembly.
  10.  
  11. Connect the negative battery cable.
  12.  

 
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