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