Conditions for Setting the DTC

P0050 or P0056

• The ECM detects that the affected HO2S heater low control circuit is not within a specified range at engine start-up.
• DTCs P0050, and P0056 set within 1 second when the above condition is met.

P0059

• The ECM detects that the affected HO2S heater low control circuit parameter is between 2.185-9.512 ohms at engine start-up.
• DTCs P0059 sets within 1 second when the above condition is met.

P0060

• The ECM detects that the affected HO2S heater low control circuit parameter is between 4.119-10.810 ohms at engine start-up.
• DTCs P0060 sets within 1 second when the above condition is met.

P0155

• The ECM detects that the HO2S 1 heater current parameter is more than 3.125 amps or less than 0.25 amp.
• DTC P0155 sets within 120 seconds during the heater current test when the above condition is met.

P0161

• The ECM detects that the HO2S 2 heater current parameter is more than 2.875 amps or less than 0.25 amp.
• DTC P0161 sets within 120 seconds during the heater current test when the above condition is met.