LEMON Manuals: Even more car manuals for everyone
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 P2xxx Diagnostic Trouble Codes >> Fuel and air ratio

Fuel and air ratio

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. 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
P2101 Throttle Actuator Control Motor Circuit Range/Performance
  • >80% of maximum duty cycle
  • Throttle valve angle deviation >0.6 sec.
 --- 5 Sec
  • Continuous
  • 2 DCY
P2106 Throttle Actuator Control System - Forced Limited Power
  • (BGN only)
 Duty cycle, >80% and ECM power stage, failure. --- 5 Sec
  • Continuous
  • 2 DCY
P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low Input Lower threshold 0.63 V Sensor voltage 2 (2 times) >1.15 0.2 Sec
  • 2 DCY
P2123 Throttle/Pedal Position Sensor/Switch D Circuit High Input Upper threshold> 4.82 V --- 0.2 Sec
  • 2 DCY
P2127 Throttle/Pedal Position Sensor/Switch E Circuit Low Input Lower threshold 0.43 V Sensor voltage 1 (2 times) >1.15 0.2 Sec
  • 2 DCY
P2128 Throttle/Pedal Position Sensor/Switch E Circuit High Input Upper threshold> 4.94 V   0.2 Sec
  • 2 DCY
P2138 Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation Comparison signal sensor 1 vs. sensor 2 Δ > 0.21 - 1.11 V Sensor voltage 1 Sensor voltage 2 (2 times) > 0.84 V 0.24 Sec
  • 2 DCY
P2181 Cooling System Performance
  • (BGN only)
  • ECT 81°C
  • @ Mass air integral 10.7-15.1kg
  • ECT at start 4.5-30°C
  • Accum. fuel cut off 120 sec.
  • Delta ambient pressure 1.5 kPa
  • Average value: Vehicle speed 22-75 mph
  • Mass air flow >50-100 kg/h
  • Mass air flow 100-200 kg/h
 2 Sec
  • Once/DCY
  • 2 DCY
P2195 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1)
  • (BGN only)
  • Lambda value, >1.07 and O2S signal rear, >0.75 V
  • Lambda control, at max. value
  • Exhaust mass air integral, > 0.2-0.8 kg
  • O2S signal rear, >0.75 V
  • Lambda control, not at max. value
  • P-portion of 2nd control loop >0.01 And
  • P-portion and I-portion of 2nd control loop, trim to lean
  • Lambda control Closed loop
  • O2S rear - ready
  • Lambda control Closed loop
  • O2S rear Ready
  • Lambda control post catalyst - Closed loop
  • O2S rear signal check Ready
 200 Sec
  • Continuous
  • 2 DCY
P2196 O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1)
  • (BGN only)
  • Lambda value, 0.90 and O2S signal rear, 0.153 V
  • Lambda control, at min. value
  • Exhaust mass air integral, > 0.20 kg
  • O2S signal rear, 0.15 V
  • P-portion of 2nd lambda control loop >0.01 And
  • P-portion and I-portion of 2nd lambda control loop, trim to rich
  • Lambda control Closed loop
  • O2S rear - ready
  • Lambda control Closed loop
  • O2S rear Ready
  • Lambda control post catalyst - Closed loop
  • O2S rear signal check Ready
 200 Sec
  • Continuous
  • 2 DCY
P2197 O2 Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 1)
  • (BGN only)
  • Lambda value, >1.07 and O2S signal rear, >0.75 V
  • Lambda control, at max. value
  • Exhaust mass air integral, > 0.2-0.8 kg
  • O2S signal rear, >0.75 V
  • Lambda control, not at max. value
  • P-portion of 2nd control loop >0.01 And
  • P-portion and I-portion of 2nd control loop, trim to lean
  • Lambda control Closed loop
  • O2S rear - ready
  • Lambda control Closed loop
  • O2S rear Ready
  • Lambda control post catalyst - Closed loop
  • O2S rear signal check Ready
 200 Sec
  • Continuous
  • 2 DCY
P2231 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1
  • (BGN only)
 Delta O2S signal front,>0.2-0.3 V. 30 times.
  • O2S ceramic temp. >750+/-65°C
  • Modeled exhaust gas temp. 800°C
  • Heater duty cycle >5%
  • Delta engine load 3%
  • Catalyst heating Not active
  • SAI Not active
 50 Sec
  • Continuous
  • 2 DCY
P2234 O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1
  • (BGN only)
 Delta O2S signal front,>0.2-0.3 V. 30 times.
  • O2S ceramic temp. >750+/-65°C
  • Modeled exhaust gas temp. 800°C
  • Heater duty cycle >5%
  • Delta engine load 3%
  • Catalyst heating Not active
  • SAI Not active
 50 Sec
  • Continuous
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit/Open - Bank 1, Sensor 1
  • (BGN only)
  • O2S signal front 1.49-1.51 V
  • Lambda value setting 0.95 or
  • Lambda value setting>1.05
  • Mass air integral >0.2kg
  • Fuel cut off >5 sec.
  • O2S signal front 2.8 V
  • Enrichment or lean out Active
  • O2S signal front 1.49-1.51 V
  • Delta lambda value setting >0.02 V
  • Lambda control Closed loop
  • O2S ceramic temp. -750+/-65°C
  • Electrical adjustment -Not active
  • Lambda control Closed loop
  • Heater control Closed loop
  • O2S ceramic temp. 750+/-65°C
  • Electrical adjustment Not active
  • O2S ceramic temp.750+/-65°C
 30 Sec
  • 5 Sec
  • 5 Sec
  • Continuous
  • 2 DCY
P2240 O2 Sensor Positive Current Control Circuit/Open Bank 2 Sensor 1
  • (BGN only)
  • O2S signal front 1.49-1.51 V
  • Lambda value setting0.95 or
  • Lambda value setting >1.05
  • Mass air integral >0.2kg
  • Fuel cut off >5 sec.
  • O2S signal front 2.8 V
  • Enrichment or lean out Active
  • O2S signal front1.49-1.51 V
  • Delta lambda value setting >0.02 V
  • Lambda control Closed loop
  • O2S ceramic temp. -750+/-65°C
  • Electrical adjustment -Not active
  • Lambda control Closed loop
  • Heater control Closed loop
  • O2S ceramic temp.750+/-65°C
  • Electrical adjustment Not active
  • O2S ceramic temp.750+/-65°C
  • Heater control Closed loop
  • O2S ceramic temp. 750+/-65°C
  • Electrical adjustment Not active
  • O2S ceramic temp.750+/-65°C
 30 Sec
  • 5 Sec
  • 5 Sec
  • Continuous
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit/Open (Bank1, Sensor 1)
  • (BGN only)
  • O2S signal front, >4.7 V and
  • Internal resistance, >570Ω or
  • O2S signal front, 0.2 V and
  • Internal resistance, >570Ω
 Heater control - Active 22 Sec
  • Continuous
  • 2 DCY
P2247 O2 Sensor Reference Voltage Circuit/Open (Bank 2, Sensor 1)
  • (BGN only)
  • O2S signal front,>4.7 V and
  • Internal resistance, >570Ω or
  • O2S signal front, 0.2 V and
  • Internal resistance, >570Ω
 Heater control - Active 22 Sec
  • Continuous
  • 2 DCY
P2251 O2 Sensor Negative Current Control Circuit/Open (Bank 1, Sensor 1)
  • (BGN only)
  • O2S signal front, 1.5 V and
  • Internal resistance, >570Ω
  • Number of heater coupling faults - >4
  • Heater control - Active
  • Modeled exhaust temp. 900°C
 50 Sec
  • Continuous
  • 2 DCY
P2254 O2 Sensor Negative Current Control Circuit/Open (Bank 1, Sensor 1)
  • (BGN only)
  • O2S signal front, 1.5 V and
  • Internal resistance, >570Ω
  • Number of heater coupling faults - >4
  • Heater control - Active
  • Modeled exhaust temp. 900°C
 50 Sec
  • Continuous
  • 2 DCY
P2257 Secondary Air Injection System Control A Circuit Low
  • (BGN only)
 Signal voltage, 3.0 V
  • Pump relay - Commanded off
  • Engine speed ->80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
P2258 Secondary Air Injection System Control A Circuit High
  • (BGN only)
 Signal current, 0.6-2.4 A
  • Pump relay - Commanded off
  • Engine speed ->80 RPM
 0.5 Sec
  • Continuous
  • 2 DCY
scientia non olet · About LEMON Manuals