Conditions for Setting the DTC

Heater Current Test:

• The PCM detects that the HO2S 2 heater current parameter is more than 1.5 amps or less than 0.199 amps.
• DTC P0141 sets during the heater current test within 30 seconds, once the above condition is met.

OR

Heater Resistance Test:

• The PCM detects that the HO2S 2 heater calculated resistance is not within an expected range at engine start-up.
• DTC P0141 sets during the heater current test within 5 seconds, once the above condition is met.