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Additional emission regulations

WARNING: This page is about a different car, the 2008 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P2400 Evaporative Emission System Leak Detection Pump Control Circuit/Open -- Refer to LEAK DETECTION PUMP V144, CHECKING . Open circuit signal voltage, 2.35-3.01 V
  • LDP, Commanded off
  • Engine speed, > 80 RPM
 0.5 Seconds
  • Continuous
  • 2 DCY
P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low -- Refer to LEAK DETECTION PUMP V144, CHECKING . Short to Ground (GND) signal voltage, <3.0 V
  • LDP, Commanded off
  • Engine speed, > 80 RPM
 0.5 Seconds
  • Continuous
  • 2 DCY
P2402 Evaporative Emission System Leak Detection Pump Control Circuit High -- Refer to LEAK DETECTION PUMP V144, CHECKING . Short to Battery (+), signal current, > 3.0 A
  • LDP, Commanded on
  • Engine speed, > 80 RPM
 0.5 Seconds
  • Continuous
  • 2 DCY
P2403 Evaporative Emission System Leak Detection Pump Sense Circuit/Open -- Refer to LEAK DETECTION PUMP V144, CHECKING . Low signal voltage, > 0.5 Sec.
  • Time after engine start, 5 Sec.
  • ECT, 4.5-105° C
  • IAT, > 4.5-60° C
  • Altitude, <2700 m
  • Integrated purge flow, >5.7 g
  • Restart temperature difference, >45 K
  • Vehicle speed, 22.50 km/h
  • Selected gear, Any drive
  • Evap purge valve, ready, no fault
  • LDP, Commanded off
 0.5 Seconds
  • Once/DCY
  • 2 DCY
P2404 Evaporative Emission System Leak Detection Pump Sense Range/Performance -- Refer to LEAK DETECTION PUMP V144, CHECKING .
  • High signal voltage, > 12 s
And
  • Number of checks, 30
  • Time after engine start, 5 Sec.
  • ECT, 4.5-105° C
  • IAT, > 4.5-60° C
  • Altitude, <2700 m
  • Integrated purge flow, >5.7 g
  • Restart temperature difference, >45 K
  • Vehicle speed, 22.50 km/h
  • Selected gear, Any drive
  • Evap purge valve, ready, no fault
  • LDP, Commanded on
 0.5 Seconds
  • Once/DCY
  • 2 DCY
P2414 O2 Sensor Exhaust Sample Error Bank 1, Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . Threshold 1:
  • Signal voltage, 3.70-4.81 V
  • O2S Signal, 0.95-1.05
Threshold 2:
  • Signal Voltage, 2.5-3.06 V
  • O2S Signal, No
  • Lambda set value, <1.6
  • O2S ceramic temperature, >715° C
  • Fuel cut off, Not active
  • Heater control, closed loop
  • SAI, Not active
  • Low fuel signal On Than wait, >600 Sec.
 11 Seconds
  • Multiple
  • 2 DCY
P2415 O2 Sensor Exhaust Sample Error Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . Threshold 1:
  • Signal voltage, 3.70-4.81 V
  • O2S Signal, 0.95-1.05
Threshold 2:
  • Signal Voltage, 2.5-3.06 V
  • O2S Signal, No
  • Lambda set value, <1.6
  • O2S ceramic temperature, >715° C
  • Fuel cut off, Not active
  • Heater control, closed loop
  • SAI, Not active
  • Low fuel signal On Than wait, >600 Sec.
 11 Seconds
  • Multiple
  • 2 DCY
P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Bank 1 -- Refer to SECONDARY AIR INJECTION SENSOR 1 G609, CHECKING . Difference between SAI pressure and ambient pressure, -25.00-25.00 hPa
  • Ambient pressure sensor, no fault
  • SAI, done
 60 Seconds
  • Once/DCY
  • 2 DCY
P2432 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Low Bank 1 -- Refer to SECONDARY AIR INJECTION SENSOR 1 G609, CHECKING . Signal voltage, <0.50 V Ambient pressure sensor, no fault 0.5 Seconds
  • Continuous
  • 2 DCY
P2433 Secondary Air Injection System Air Flow/Pressure Sensor Circuit High Bank 1 -- Refer to SECONDARY AIR INJECTION SENSOR 1 G609, CHECKING . Signal voltage, >4.50 V Ambient pressure sensor, no fault 0.5 Seconds
  • Continuous
  • 2 DCY
P2440  Secondary Air Injection System Switching Valve Stuck Open Bank 1 -- Refer to COMBINATION VALVE, CHECKING .-- Refer to SECONDARY AIR INJECTION SOLENOID VALVE N112, CHECKING .-- Refer to SECONDARY AIR INJECTION PUMP MOTOR V101, CHECKING .
  • SAI pressure measured with SAI pressure sensor vs. modeled while SAI valve closed, < 40%
  • ECT, 3-40° C
  • IAT, 3-60° C
  • Altitude, <2700 m
  • SAI Pressure Sensor, ready, no faults
 20 Seconds
  • Once
  • 2 DCY
P2442  Secondary Air Injection System Switching Valve Stuck Open Bank 21 -- Refer to COMBINATION VALVE, CHECKING .-- Refer to SECONDARY AIR INJECTION SOLENOID VALVE 2 N320, CHECKING .-- Refer to SECONDARY AIR INJECTION PUMP MOTOR V101, CHECKING .
  • SAI pressure measured with SAI pressure sensor vs. modeled while SAI valve closed, < 40%
  • ECT, 3-40° C
  • IAT, 3-60° C
  • Altitude, <2700 m
  • SAI Pressure Sensor, ready, no faults
 20 Seconds
  • Once
  • 2 DCY
P2600 Coolant Pump Control Circuit/Open -- Refer to AUXILIARY ENGINE COOLANT PUMP RELAY J496, CHECKING . Open circuit signal voltage, 4.5-5.5 V - 0.5 Seconds
  • Continuous
  • 2 DCY
P2602 Coolant Pump Control Circuit Low -- Refer to AUXILIARY ENGINE COOLANT PUMP RELAY J496, CHECKING . Short to Ground (GND) signal voltage, <3.0 V - 0.5 Seconds
  • Continuous
  • 2 DCY
P2603 Coolant Pump Control Circuit High -- Refer to AUXILIARY ENGINE COOLANT PUMP RELAY J496, CHECKING . Short to Battery (+) signal current, 0.6-1.2 A - 0.5 Seconds
  • Continuous
  • 2 DCY
P2626 O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1 -- Refer to HEATED OXYGEN SENSOR G39, CHECKING . O2S signal front> 4.81 V
  • Modeled exhaust gas temp. < 700 °C
  • O2S ceramic temperature, >720 °C
  • Fuel cut off, Active
  • Heater control, Closed loop
  • Low fuel signal On Than wait, >600 Sec.
 3 Seconds
  • Multiple
  • 2 DCY
P2629 O2 Sensor Pumping Current Trim Circuit/Open Bank 2 Sensor 1 -- Refer to HEATED OXYGEN SENSOR 2 G108, CHECKING . O2S signal front> 4.81 V
  • Modeled exhaust gas temp. < 700 °C
  • O2S ceramic temperature, >720 °C
  • Fuel cut off, Active
  • Heater control, Closed loop
  • Low fuel signal On Than wait, >600 Sec.
 3 Seconds
  • Multiple
  • 2 DCY
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