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Home >> Honda >> 2004 >> Element EX, 2.4 YH1, Automatic >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating/Air Conditioning >> Recirculation Control Motor Circuit Troubleshooting

Recirculation Control Motor Circuit Troubleshooting

  1. Check the No. 14 (10 A) fuse in the under-dash fuse/relay box.

    Is the fuse OK? 

    1. YES -  Go to step 2.
    2. NO -  Replace the fuse, and recheck.
  2. Disconnect the recirculation control motor 7P connector.
  3. Turn the ignition switch ON (II).
  4. Measure the voltage between the No. 1 terminal of the recirculation control motor 7P connector and body ground.
    Fig 1: Measuring Voltage Between No. 1 Terminal Of Recirculation Control Motor 7P Connector And Body Ground
    G03679606Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there battery voltage? 

    1. YES -  Go to step 5.
    2. NO -  Repair open in the wire between the No. 14 (10 A) fuse in the under-dash fuse/relay box and the recirculation control motor.
  5. Turn the ignition switch OFF.
  6. Test the recirculation control motor (see MODE CONTROL MOTOR REPLACEMENT ).

    Is the recirculation control motor OK? 

    1. YES -  Go to step 7.
    2. NO -  Go to step  13.
  7. Disconnect the heater control panel 30P connector.
  8. Check for continuity between the No. 5 and No. 6 terminals of the heater control panel 30P connector and body ground individually.
    Fig 2: Checking Continuity Between No. 5 And No. 6 Terminals Of Heater Control Panel 30P Connector And Body Ground
    G03679607Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES -  Repair any short to body ground in the wire(s) between the heater control panel and the recirculation control motor.
    2. NO -  Go to step 9.
  9. Turn the ignition switch ON (II), and check the same wires for voltage.
    Fig 3: Checking Voltage Between No. 5 And No. 6 Terminals Of Heater Control Panel 30P Connector And Body Ground
    G03679608Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there any voltage? 

    1. YES -  Repair any short to power in the wire(s) between the heater control panel and the recirculation control motor. This short also may damage the heater control panel. Repair the short to power and retest before replacing the heater control panel.
    2. NO -  Go to step 10.
  10. Turn the ignition switch OFF.
  11. Check for continuity between the following terminals of the heater control panel 30P connector and the recirculation control motor 7P connector.
    CONNECTOR TERMINAL CONTINUITY

    30P 7P
    No. 5 No. 5
    No. 6 No. 7
    Fig 4: Checking Continuity Between Terminals Of Heater Control Panel 30P Connector And Recirculation Control Motor 7P Connector
    G03679609Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES -  Go to step 12.
    2. NO -  Repair any open in the wire(s) between the heater control panel and the recirculation control motor.
  12. Check for loose wires or poor connections at the heater control panel 30P connector and at the recirculation control motor 7P connector. If the connections are good, substitute a known-good recirculation control motor and retest.

    Did the symptom/indication go away? 

    1. YES -  The original recirculation control motor is faulty, replace it.
    2. NO -  Substitute a known-good heater control panel, and recheck. If the symptom/indication goes away, replace the original heater control panel.
  13. Remove the recirculation control motor (see MODE CONTROL MOTOR REPLACEMENT ).
  14. Check the recirculation control linkage and doors for smooth movement.

    Do the recirculation control linkage and doors move smoothly? 

    1. YES -  Replace the recirculation control motor.
    2. NO -  Repair the recirculation control linkage or doors.
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