EGRC1 Check PCM Output Signal

- Connect Rotunda NGS Scan Tool 007-00500.

- Key ON.

- Select ENGINE.

- Select ACTIVE TESTS.

- Select EGR CONTROL SOLENOID.

- Turn the EGR CTRL SOL/V ON and OFF with NGS Scan Tool and check for operating sound.

- Is there an operating sound when turning the solenoid ON and OFF?

YES -- GO to EGRC5. EGRC5 Check EGR Valve

NO -- GO to EGRC2. EGRC2 Check Power to EGRC