Open Circuit

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Front HO2S terminal A and PCM terminal 2AD
- Front HO2S terminal B and PCM terminal 2Z
- Front HO2S terminal C ignition relay
- Front HO2S terminal D and PCM terminal 2BG