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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1498 (3.0L - Engine Controls - Generic Scan Tool, Engine Codes: AVK, BGN [Automatic Transmission - Gears, Hydraulic Controls - Generic Scan Tool]) >> Generic Scan Tool >> Diagnostic Trouble Code Tables >> SAE P0xxx Diagnostic Trouble Codes >> Additional exhaust regulation

Additional exhaust regulation

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DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P0413 Secondary Air Injection System Switching Valve "A" Circuit Open
  • Open circuit 4.5 5.5V
  • Air valve Off
  • Engine speed - >80 RPM
  • Battery voltage 9.0 16.05 V
 0.5 Sec
  • 2 DCY
P0414 Secondary Air Injection System Switching Valve "A" Circuit Shorted
  • Short to ground - 3 V
  • Short to Battery+2.2 - 4.0 A
  • Air valve Off
  • Engine speed - >80 RPM
  • Battery voltage 9.0 16.05 V
  • Air valve On
  • Engine speed - >80 RPM
  • Battery voltage 9.0 16.05 V
 0.5 Sec
  • 2 DCY
P0418 Secondary Air Injection System Control "A" Circuit
  • Short to ground - 3 V
  • Open circuit 4.5 5.5 V
  • Short to Battery+2.2 - 4.0 A
  • Air valve Off
  • Engine speed - >80 RPM
  • Battery voltage 9.0 16.05 V
  • Air valve On
  • Engine speed - >80 RPM
  • Battery voltage 9.0 16.05 V
 0.5 Sec
  • 2 DCY
P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) AR > 0.3
  • Catalyst temperature -530-750°C
  • Engine start temp > - 9.75°C
  • Misfire rate 5%
  • Engine speed, 1080-2600 RPM
  • Air mass - 25-85 kg/h
  • O2 sensor No fault
  • Carbon canister load -Low
 60 Sec/Once/DCY
  • Once/DCY
  • 2 DCY
P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2) AR > 0.3
  • Catalyst temperature -530-750°C
  • Engine start temp > - 9.75°C
  • Misfire rate 5%
  • Engine speed, 1080-2600 RPM
  • Air mass - 25-85 kg/h
  • O2 sensor No fault
  • Carbon canister load -Low
 60 Sec/Once/DCY
  • 2 DCY
P0441 Evaporative Emission System Incorrect Purge Flow
  • Reaction of idle controller or lambda controller
  • Deviation less than: 5 % lambda contr. and 40 % idle control
  • Engine speed, Idle
  • Altitude, 2600 M
  • Time after engine start, >600 Sec
  • Coolant temperature >59.25°C or Substitute temp.>69.75°C
  • Or Substitute temperature, > 60°C
  • Lambda Control, Closed Loop
  • Lambda Control, Within sufficient range: not at max-threshold value and not at min + threshold value
  • Delta engine speed 100/min
 20.5 Sec. Once/DCY
  • 2 DCY
P0442 Evaporative Emission System Leak Detected (Small Leak)
  • Pressure drop within predetermined time
  • 2.4 2.95 sec. Depending on altitude
  • Purge Valve- Closed
  • LDP, Activated
  • Altitude, 2600 m
  • Δ Ambient pressure 3 hPa
  • Restart temperature difference 50K
  • Time after engine start > 225 - 1500 sec.
  • Intake vacuum pressure > 150 hPa
  • Engine temperature 5 - 112°C
  • Vehicle speed > 6 mph
  • Selected gear - Any drive
 Max 140 Sec. Once/DCY
  • 2 DCY
P0444 Evaporative Emission System Purge Control Valve Circuit Open Open Circuit 4.5 5.5 V
  • EVAP purge valve - Off
  • Engine speed - > 80 rpm
  • Battery voltage 9.0 - 16.05 V
 0.5 Sec
  • 2 DCY
P0445 Evaporative Emission System Purge Control Valve Circuit Shorted
  • (AVK only)
  • Short to battery +2.2 - 4 A
  • Short to ground 3 V
  • EVAP purge valve - on
  • Engine speed - > 80 rpm
  • Battery voltage 9.0 - 16.05 V
  • EVAP purge valve - Off
  • Engine speed - > 80 rpm
  • Battery voltage 9.0 - 16.05 V
 0.5 Sec
  • 2 DCY
P0455 Evaporative Emission System Leak Detected (Large Leak)
  • Pressure drop within predetermined time 0.95 1.15 sec. Depending on altitude
  • Purge Valve, Closed
  • LDP- Activated
  • Altitude, 2600 m
  • Δ Ambient pressure 3 hPa
  • Restart temperature difference 50K
  • Time after engine start > 225 - 1500 sec.
  • Intake vacuum pressure > 150 hPa
  • Engine temperature 5 - 112°C
  • Vehicle speed > 6 mph
  • Selected gear - Any drive
  • Max 140 Sec. Once/DCY
  • 280 Sec. Once/DCY
  • 2 DCY
P0456 Evaporative Emission System Leak Detected (very small leak) Pressure drop within predetermined time 2.95 7 sec. Depending on altitude
  • Purge Valve- Closed
  • LDP- Activated
  • Altitude, 2600 m
  • Δ Ambient pressure 2 hPa
  • Restart temperature difference 50K
  • Time after engine start > 225 - 1500 sec.
  • Intake vacuum pressure > 150 hPa
  • Engine temperature 5 - 112°C
  • Vehicle speed > 80.7 mph
  • Selected gear - Any drive
  • Acceleration - 2.1m/s2
  • Deceleration - >2.1m/s2
 Max 140 Sec. Once/DCY
  • 2 DCY
P0458 Evaporative Emission System Purge Control Valve Circuit Low
  • (BGN only)
 Signal voltage 3.0 V
  • EVAP purge valve Commanded off
  • Engine speed >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0459 Evaporative Emission System Purge Control Valve Circuit High
  • (BGN only)
 Signal current > 2.2 4.0 A
  • EVAP purge valve Commanded on
  • Engine speed >80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P0491 Secondary Air Injection System Insufficient Flow Bank 1
  • System too rich Ratio 30%
  • Statistical reflection Average of 6
  • System too rich Checks 0.45
  • Air mass flow 10 - 50 kg/h
  • Altitude - 2600 m
  • ECT - > 5 - 112°C
  • Catalyst temp. 720°C
  • Vehicle speed - > 6 mph
  • Time after engine start 121 Sec.
  • Engine load - Idle
  • 5 - 14 Sec
  • Once/DCY
  • 2 DCY
P0492 Secondary Air Injection System Insufficient Flow Bank 2
  • System too rich Ratio 30%
  • Statistical reflection Average of 6
  • System too rich Checks 0.45
  • Air mass flow 10 - 50 kg/h
  • Altitude - 2600 m
  • ECT - > 5 - 112°C
  • Catalyst temp. 720°C
  • Vehicle speed - > 6 mph
  • Time after engine start 121 Sec.
  • Engine load - Idle
  • 5 - 14 Sec
  • Once/DCY
  • 2 DCY
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