Open circuit
- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Front HO2S terminal 1A and PCM terminal 2AD
- Front HO2S terminal 1B and PCM terminal 2AC
- Front HO2S terminal 1C and PCM terminal 2Z
- Front HO2S terminal 2A and PCM terminal 2M
- Front HO2S terminal 2B and main relay terminal E
- Front HO2S terminal 2C and PCM terminal 2Y
- Front HO2S terminal 2D and PCM terminal 2C