Lancer L4-2.0L (4B11) (2008)
1. Remove the EGR valve.
2. Connect special tool MB991658 to the EGR valve.
3. Connect the battery positive (+) terminal to terminal No. 2.
CAUTION: Connecting battery voltage to the EGR valve for a long time could damage the coil.
4. Connect terminals 1 and 3 to the negative (-) terminal of the battery, in order to test whether the stepper motor vibrates (with a slight shudder),
indicating that the stepper motor is operating.
5. Connect the battery positive (+) terminal to terminal No. 5.
CAUTION: Connecting battery voltage to the EGR valve for a long time could damage the coil.
6. Connect terminals 4 and 6 to the negative (-) terminal of the battery, in order to test whether the stepper motor vibrates (with a slight shudder),
indicating that the stepper motor is operating.
7. If vibrations can be felt as a result of the test, the stepper motor is determined to be normal.
8. Using a new gasket, install the EGR valve by tightening its mounting bolts to the specified torque.
Tightening torque: 24 ± 3 N.m (212 ± 27 in-1b)