DB7 - Induce Opposite Code

- Key "OFF".

- Clear continuous memory. Clearing Diagnostic Trouble Codes

- Disconnect EGR Temperature (EGRT) sensor.

- Connect a jumper wire between EGRT circuit and SIG RTN circuit at the EGRT sensor vehicle harness connector.

- Start engine and run for at least two minutes.

- Turn engine "OFF" and rerun Key On Engine Off (KOEO) Self-Test.

- Is Continuous Memory Diagnostic Trouble Code (DTC) 327 present?

Yes -- Replace EGRT sensor. Clear continuous memory. Clearing Diagnostic Trouble Codes

Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Remove jumper. Go to DB8. DB8 - Check Continuity of Harness Circuits