Open circuit
- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Rear HO2S terminal A and PCM terminal 2Q
- Rear HO2S terminal B and PCM terminal 1U
- Rear HO2S terminal C and main relay terminal C
- Rear HO2S terminal D and PCM terminal 2A