Subaru LEGACY 2002 Quick Reference Index page 518

AUTOMATIC AIR CONDITIONING
HVAC System (Heater, Ventilator and A/C)
E: AIR MIX SERVO MOTOR
According to signals from the ECM, the servo motor forming integral part of the air mix damper
rotates in one or the other direction to change the opening of the damper via a link.
The motor has a built-in potentiometer which detects the opening of the air mix damper and sends
the result to the ECM.
B4H1318A
AC-46