Open circuit
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- EGR valve terminal E and PCM terminal 98
- EGR valve terminal A and PCM terminal 99
- EGR valve terminal B and PCM terminal 72
- EGR valve terminal F and PCM terminal 73
- EGR valve terminal C or D and main relay terminal C