Subaru 2009 IMPREZA Service Manual page 476

System Operation Check Mode
ENGINE (DIAGNOSTICS)
7. EGR VALVE CONTROL
CAUTION:
After executing the system operation check
mode, execute the Clear Memory Mode. <Ref. to
EN(H4SO)(diag)-55, OPERATION, Clear Memo-
ry Mode.>
1) On «System Operation Check Mode» display,
select {EGR Valve Control}.
2) On «Start the Engine» display, start the engine
and click the [OK] button.
3) In the «EGR Valve Control» display, click the
[ ] button or the [ ] button to change the setting
values, then click the [OK] button.
Setting is possible in increments of 1 STEP. How-
ever, the STEP number that can actually be con-
trolled will vary depending on the vehicle.
4) Click the [Cancel] button to stop the EGR valve
control.
5) Click the [ Exit] button to end the EGR valve
control. The screen will return to the «System Op-
eration Check Mode» screen.
NOTE:
For detailed operation procedures, refer to "PC ap-
plication help for Subaru Select Monitor".
EN(H4SO)(diag)-59