P1114

P1114

723 Heating LSU, Inertia Fuel Shutoff - Signal Implausible

Diagnosis conditions
- Exhaust temperature above 250 °C
- Battery positive voltage greater than 9.5 V
- Time elapsed after start-up greater than 60 seconds
- No faults of the oxygen sensor
- Inertia fuel shutoff greater than 4 seconds

Possible fault cause
- Open circuit
- Oxygen sensor
- DME control module

Affected terminals
II/19

Diagnosis/Troubleshooting

NOTE: Do not use contact spray on the connectors to oxygen sensor.







NOTE: Do not exchange oxygen sensors ahead of catalytic converter and after catalytic converter.







Oxygen sensors ahead of and after catalytic converter