Conditions for Running the DTC

Condition 1 - Idle Test

• DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0122, P0123, P0201-P0206, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301-P0306, P0351-P0356, P0506, P0507, P0722, P0723, P1248, P1249, P124A, P124B, P2122, P2123, P2127, P2128, P2135, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157 are not set.
• The engine is running.
• The accelerator pedal position is 0 percent for 4 s.
• The ignition voltage is greater than 11 V.
• The low side fuel pressure is greater than 275 kPa (40 psi).
• The vehicle speed is less than 1 km/h (0.62 mph).
• The diagnostic runs continuously when the above conditions are met.

Condition 2 and 3 - High and Low Fuel Demand Tests

• DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0122, P0123, P0201-P0206, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301-P0306, P0351-P0356, P0506, P0507, P0722, P0723, P1248, P1249, P124A, P124B, P2122, P2123, P2127, P2128, P2135, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157 are not set.
• The ignition voltage is greater than 11 V.
• The low side fuel pressure is greater than 275 kPa (40 psi).
• The desired fuel rail pressure is between 4-6 MPa (580-870 psi).
• The engine speed is between 1,000-3,000 RPM.
• The vehicle speed is greater than 30 km/h (18.64 mph).
• The diagnostic runs continuously when the above conditions are met.

Condition 4 - Stuck Sensor Test

• DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0122, P0123, P0201-P0206, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301-P0306, P0351-P0356, P0506, P0507, P0722, P0723, P1248, P1249, P124A, P124B, P2122, P2123, P2127, P2128, P2135, P2147, P2148, P2150, P2151, P2153, P2154, P2156, or P2157 are not set.
• The engine speed is greater than 2,000 RPM.
• The vehicle speed is greater than 30 km/h (18.64 mph).
• DTC P0191 runs once an ignition cycle at engine start up when the above conditions have been met.