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Additional Emission Regulations

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal voltage > 4.40... 5.60 V
  • Pump, Commanded off
  • Engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal voltage < 2.15-3.25 V
  • Pump, Commanded off
  • Engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Signal current > 3.0 A
  • Pump, Commanded on
  • Engine speed, >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2403 Evaporative Emission System Leak Detection Pump Sense Circuit/Open -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING . Low signal voltage > 0.5 Sec
  • Time after engine start 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • Altitude, < 2700 m
  • integrated purge flow, >12.10 g
  • restart temp difference, >0.0 K
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • Evap purge valve, ready no fault
  • LDP, commanded off
 0 Sec
  • Once/DCY
  • 2 DCY
P2404 Evaporative Emission System Leak Detection Pump Sense Range/Performance -- Check the Leak Detection Pump (LDP) -V144-. Refer to LEAK DETECTION PUMP, CHECKING .
  • High signal voltage > 12 Sec
  • AND
  • number of checks, 30.0
AND
  • cumulative time of high signal voltage during pumping > 50 Sec
  • Time after engine start 5...65530 Sec.
  • ECT, 4...120° C
  • ECT at start, 4...50° C
  • engine off time, >21600 Sec
  • ambient air temp 4...59° C
  • Altitude, < 2700 m
  • intake manifold vacuum, > 2560hPa
  • restart temp difference, >0.0 K
  • Vehicle speed, > 40 km/h once Selected gear, Any drive
  • Evap purge valve, closed, ready, no fault
  • LDP, commanded on
  • 171.9 Sec
  • 12 Sec
  • Once/DCY
  • 2 DCY
P2414 O2 Sensor Exhaust Sample Error Bank 1, Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING . Threshold 1
  • Signal voltage 3.10...4.81 V
Threshold 2
  • Signal Voltage 2.5...3.10 V
  • lambda set value, < 1.6
  • O2S ceramic temp.,> 715.00° C
  • fuel cut off, not active
  • heater control, closed loop
  • SAI, not active
  • if low fuel signal then wait, > 600.00 Sec
  • 15 Sec
  • multiple
  • 2 DCY
P2431 rationality check Check the Secondary Air System. Refer to appropriate service information. difference between SAI pressure and ambient pressure, NOT -25.0...25.00 hPa --- 0.50 Sec
  • Once/DCY
  • 2 DCY
P2432 signal range check Check the Secondary Air System. Refer to appropriate service information. signal voltage, <.40 V --- 0.50 Sec
  • Continuous
  • 2 DCY
P2433 signal range check Check the Secondary Air System. Refer to appropriate service information. signal voltage, >4.65 V --- 0.50 Sec
  • Continuous
  • 2 DCY
P2440 system check after SAI PZEV only Check the Secondary Air System. Refer to appropriate service information. SAI pressure meadured with SAI pressure sensor vs modeled while SAI valve closed. <0.55%
  • ECT, 5...39° C
  • IAT, 5...40° C
  • altitude, <2700m
  • SAI pressure sensor, ready no fault
    
P2539 Low Pressure Fuel System Sensor Circuit -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage > 4.9 V --- 1 Sec
  • 2 DCY
P2540 Low Pressure Fuel System Sensor Circuit Range/Performance -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Actual pressure Deviation < 800 kPa <80 kPa --- 5 Sec
  • 2 DCY
P2541 Low Pressure Fuel System Sensor Circuit Low -- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING . Signal voltage < 0.2 V --- 1 Sec
  • 2 DCY
P2626 O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to HEATED OXYGEN SENSOR HO2S, CHECKING .
  • O2S signal front> 4.81 V
  • Modeled exhaust temp, <750° C
  • O2S ceramic temp, >715° C
  • Fuel cut off, Active
  • heater control, closed loop
  • if low fuel signal, then wait, > 600 Sec
  • 2.0 Sec
  • multiple
  • 2 DCY
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