Fail-Safe Chart

Fail-Safe Chart






Therefore, when electrical controlled throttle and part of ECM related diagnosis are continuously detected as NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means of operating fail-safe function.

The fail-safe function also operates when above diagnosis except MIL circuit are detected and demands the driver to repair the malfunction.

Engine operating condition in fail-safe mode: Engine speed will not rise more than 2,500 rpm due to the fuel cut