Conditions for Setting the DTC

Closed Loop Test

• The ECM detects that the HO2S 2 voltage is less than 52 mV.
• The condition exists for more than 4 minutes.

Power Enrichment Test

• The ECM detects that the HO2S 2 voltage is less than 35 mV during power enrichment.
• The condition exists for more than 11 seconds.