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 boost sensor solenoid valve terminal B and PCM terminal 93
- EGR boost sensor solenoid valve terminal A and main relay terminal C