Volkswagen Golf 2013 Quick Reference Specification Book page 221

DTC Error Message
P2195 O2 Sensor Signal Biased/
Stuck Lean (Bank 1,
Sensor 1)
P2196 O2 Sensor Signal Biased/
Stuck Rich (Bank 1, Sensor 1)
P2231 O2 Sensor Bank 1 Sensor
1 Signal Circuit Shorted to
Heater Circuit
P2237 O2 Sensor Positive Current
Control Circuit/Open (Bank 1,
Sensor 1)
P2243 O2 Sensor Reference Voltage
Circuit/Open (Bank 1,
Sensor 1)
P2251 O2 Sensor Negative Current
Control Circuit Bank 1 Sensor
1 open
P2270 O2 Sensor Signal Stuck Lean
(Bank 1, Sensor 2)
P2271 O2 Sensor Signal Stuck Rich
(Bank 1, Sensor 2)
P2279 Intake Air System Leak
P2293 Fuel Pressure Regulator 2
Performance
VW Golf & GTI Quick Reference Specification Book • September 2012
Malfunction Criteria and
Threshold Value
Delta lambda of 2nd lambda
control loop > 0.07
Delta lambda of 2nd lambda
control loop < 0.07
Delta O2S signal front > 190 uA
• O2S signal front 1.493 - 1.507
V
or
• O2S signal front < 1.7002 V
• Fuel cutoff < 3 sec.
or
• O2S signal front 1.50 - 1.51 V
• Delta lambda controller > 0.10
• O2S signal front < 0.30 V and
Internal resistance
> 1000 Ohms
• O2S signal front > 4.70 V and
Internal resistance > 1000
Ohm
Open circuit virtual mass (VM)
• O2S voltage signal front 1.47
to 1.53 V
•and
• Internal resistance > 1000.00
Ohm
O2S signal rear < 0.557 — 5.30
• Measurement range from fuel
cutoff to voltage threshold < =
152.3 mV
• Number of checks = > 1
• Threshold to detect a defective
system > 1.33 - 1.60
• Difference between target
pressure vs actual pressure: >
1.50 MPa
or
• < -1.50 MPa
209