With Automatic Transaxle

SYSTEM INSPECTION
1. Connect the Special Service Tools SSTs New Generation Star (NGS) tester to the data link connector-2.
2. Start the engine and let it at idle.
3. Select the "SIMULATION TEST" function on the NGS display.
4. Increase the duty value of the EGR solenoid valve (vacuum) from 0% to 100% by using the "SIMULATION TEST" function. Operate the EGR solenoid valve (vacuum) and check if the engine speed becomes unstable or the engine stalls.
5. If the engine speed will not change, stop the engine and do as follows.
a. Turn the ignition switch to ON.
b. Select the "SIMULATION TEST" function.
c. Increase the duty value of the EGR solenoid valve (vacuum) from 0% to 100% by using the "SIMULATION TEST" function. Operate the EGR solenoid valve (vacuum) and check if operation sound of the valve is heard.

I. If the operation sound is heard, check the following.
^ Loose or damaged vacuum hose
^ EGR valve
^ EGR solenoid valve (vent)

II. If the operation sound is not heard, check the following.
^ EGR solenoid valve (vacuum)
^ Wiring between EGR solenoid valve (vacuum) and PCM terminal 72