Volkswagen Passat 1995 Official Factory Repair Manual page 1583

Diagnostic Trouble Code (DTC) tables:
SAE-
DTC
P1112 Oxygen sensor control (Bank
1) System too rich
P1113 Bank 1, sensor 1 Internal
resistance too Large
P1114 Bank 1, sensor 2 Internal
resistance too Large
P1115 HO2S Heater Control Circuit
(Bank 1 Sensor 1) Low
P1116 HO2S Heater Control Circuit
(Bank 1 Sensor 1)
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DTC text Corrective action
- Check fuel pressure regulator and residual
pressure Page 24-78
- Check Cylinder 1 Fuel Injector -N30- to
Cylinder 4 Fuel Injector -N33-
- Check Evaporative Emission (EVAP) Canister
Purge Regulator Valve -N80-
- Check oxygen sensor and oxygen sensor
control before catalytic converter
- Check oxygen sensor and oxygen sensor
control behind catalytic converter
- Check oxygen sensor heater for oxygen sensor
before catalytic converter
- Check oxygen sensor heater for oxygen sensor
behind catalytic converter
- Check oxygen sensor heater for oxygen sensor
before catalytic converter
Page 21 of 41
ST-76
Page 24-65
Page 20-34
Page 24-87
Page 24-92
Page 24-25
Page 24-28
Page 24-25
6/12/2004