Conditions for Setting the DTC

Closed Loop Test

• The ECM detects that the HO2S 2 voltage is more than 952 mV.
• The condition exists for more than 4 minutes.

Decel Fuel Cut-Off (DFCO) Test

• The ECM detects that the HO2S 2 voltage is more than 550 mV during deceleration.
• The condition exists for more than 11 seconds.