DL14 - Check EVR Circuit For Short to Power or Ground

- Key "OFF".

- EGR Vacuum Regulator (EVR) solenoid disconnected.

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Measure resistance between test pin 33 and test pins 37 and 57 at the breakout box.

- Measure resistance between test pin 33 and test pins 40 and 60 at the breakout box.

- Is each resistance greater than 10,000 ohms?

Yes -- Replace PCM. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Service short circuit. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

If Diagnostic Trouble Code (DTC) 558 is repeated. Replace PCM.