Code Enable Criteria

Conditions for running DTC:

• DTCs P0117, P0118, P0121, P0122, P0123, P0125, P1114, P1115, P1121 or P1122 is not set
• Engine coolant temperature is greater than 140°F (60°C).
• Engine run time is more than 10 seconds.
• Manifold absolute pressure is less than 44 kPa.
• Engine speed is 2000-3000 RPM.
• System voltage is greater than 10 volts.

Conditions for setting DTC:

• Knock signal is out of assigned range or not present.