Diagnostic Aids
Perform this test when instructed during QUICK TEST or if directed by other test procedures. This test is used to diagnose the following:
- Electric Exhaust Gas Recirculation (EEGR) Assembly
- Wiring Harness Circuits (EGRM1, EGRM2, EGRM3, EGRM4 and VPWR).
- Powertrain Control Module (PCM)