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.
- HO2S (RF) terminal C and ignition switch
- HO2S (RF) terminal D and PCM terminal 83
- HO2S (LF) terminal C and ignition switch
- HO2S (LF) terminal D and PCM terminal 84
- HO2S (RR) terminal C and ignition switch
- HO2S (RR) terminal D and PCM terminal 57
- HO2S (LR) terminal C and ignition switch
- HO2S (LR) terminal D and PCM terminal 58