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Air Mix Control Motor Testing

  1. Disconnect 5-pin connector from air mix control motor. Connect battery voltage to air mix control motor terminal No. 1 and ground terminal No. 5. See Fig 1 . If air mix control motor does not run and stop at maximum hot position, reverse battery connections. If air mix control motor does not run and stop at maximum cool position, remove air mix control motor.
    NOTE: If air mix control motor does not run, remove air mix control motor. Check doors and linkage for smooth operation. If doors and linkage are okay, air mix control motor must be replaced.
  2. Measure resistance between terminal No. 2 and 3. Resistance should be 4800-7200 ohms. Measure resistance between terminal No. 3 and 4. Resistance should be 960-1440 ohms at maximum hot position, and 3840-5760 ohms at maximum cool position. If resistance checks are not as specified, replace air mix control motor.
Fig 1: Identifying Air Mix Control Motor Terminals
G95J60607Courtesy of AMERICAN HONDA MOTOR CO., INC.
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