Conditions for Running

HO2S Bank 1 & 2, Sensor 1

• The engine speed is between 500-3000 RPM.
• The engine run time is less than 3 minutes.
• The Mass Air Flow (MAF) is between 4-30 g/s.
• The battery voltage is between 9-18 volts.

HO2S Bank 1, Sensor 2

• The engine cold start is determined.
• The average Mass Air Flow (MAF) during warm-up is less than 30 g/s.
• The battery voltage is between 10-18 volts.