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Home >> Acura >> 2002 >> 1.7EL Automatic >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating >> Recirculation Control Motor Test

Recirculation Control Motor Test

  1. Disconnect the 7P connector from the recirculation control motor.
    NOTE: Incorrectly applying power and ground to the recirculation control motor will damage it. Follow the instructions carefully.
  2. Connect battery power to the No. 1 terminal, and ground the No. 5 and No. 7 terminals; the recirculation control motor should run smoothly. To avoid damaging the recirculation control motor, do not reverse power and ground. Disconnect the No. 5 or No. 7 terminals from ground; the recirculation control motor should stop at Fresh or Recirculate. Don't cycle the recirculation control motor for a long time.
    Fig 1: Testing Recirculation Control Motor
    G01961110
  3. If the recirculation control motor does not run in step 2 remove it, then check the recirculation control linkage and doors for smooth movement.
    • If the linkage and doors move smoothly, replace the recirculation control motor.
    • If the linkage or doors stick or bind, repair them as needed.