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Air Mix Control Motor Testing

WARNING: This page is about a different car, the 1998 Acura 3.5RL. However, it is still accessible from the selected car via links, so may be relevant.
  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 cool position, reverse battery connections. If air mix control motor does not run and stop at maximum hot 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 terminals No. 2 and No. 3. Resistance should be 4800-7200 ohms. Measure resistance between terminals No. 3 and No. 4. Resistance should be 960-1440 ohms at maximum cool position, and 3840-5760 ohms at maximum hot position. If resistance checks are not as specified, replace air mix control motor.
Fig 1: Air Mix Control Motor & Mode Control Motor Terminals
G95J60607Courtesy of AMERICAN HONDA MOTOR CO., INC.
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