DTC Set Criteria
- For DTC P0121, Closed throttle position switch is on. Code will set if Throttle Position (TP) sensor output voltage is 2 volts or more, or 200 millivolts or less, for 2 seconds.
- For DTC P0122, Engine speed is 2000 RPM or more. Intake manifold pressure is 10.6 psi (73 kPa) or more, or volumetric efficiency is 60 percent or more (1.8L). Code will set if sensor output voltage is 800 millivolts or less for 2 seconds.
- For DTC P0123, Engine speed is 3000 RPM or less. Intake manifold pressure is 7 psi (48 kPa) or less (1.5L), or volumetric efficiency is 30 percent or less (1.8L). Code will set if TP sensor output voltage is 4.6 volts or more for 2 seconds.