Impreza Sedan AWD F4-1820cc 1.8L SOHC (1993)
2. Check operation of actuator.
1. Connect (+) battery cable to terminal 2 and (-) battery cable to terminal 1, 3 and 4.
2. Make sure cable moves smoothly when a vac pressure of 40.0 kPa (300 mmHg, 11.81 inHg) is applied to actuator using vacuum pump.
Stroke: 35 mm (1.38 in)
Movement time: Within 3 seconds
3. When the battery is removed from condition (2) above, make sure the cable returns to its original position smoothly.
Movement time: Within 1.5 seconds
4. Connect battery to each terminal and check cable movement when vacuum pressure is applied by vacuum pump.