Heating Lsu Bank 2, Inertia Fuel Shutoff Signal Implausible

P0155

Heating LSU Bank 2, Inertia Fuel Shutoff Signal Implausible

Diagnosis conditions
- Exhaust temperature above 250 degree 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/13

Diagnosis/Troubleshooting

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

Work Instruction 1 - 2:

Work Instruction 3 - 5:

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

Oxygen sensors ahead of and after catalytic converter







1 - Oxygen sensor ahead of catalytic converter
2 - Oxygen sensor after catalytic converter