Fail Safe
- Front oxygen (A/F) sensor heater control: Not allowed to turned on the heater.
- A/F main learning: Not allowed to calculate the A/F main learning compensation factor.
- A/F sub learning: Not allowed to calculate the A/F sub learning compensation factor.
- Compensation when starting the engine at high temperature: Make the MIN value to be 0 from 0.06 normally.
- Purge control: Not allowed to purge.