Short circuit
WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
- If there is continuity, the circuit is shorted. Repair or replace the harness.
- HO2S connector terminal A and PCM connector terminal 4W to GND (Front).
- HO2S connector terminal A and PCM connector terminal 4AA to GND (Rear).