Conditions for Setting the DTC

P0131

• The control module detects that the HO2S 1 signal voltage is less than 78 mV for more than 51 seconds.
• This diagnostic runs continuously.

P0132

• The control module detects that the HO2S 1 signal voltage is more than 889 mV for more than 75 seconds.
• This diagnostic runs continuously.

P0137

• The control module detects that the HO2S 2 signal voltage remains below 78 mV for more than 120 seconds.
• This diagnostic runs continuously.

P0138

• The HO2S 2 voltage is more than 924 mV for longer than 120 seconds.
• This diagnostic runs continuously.