Action in service

Consequential fault if additional faults from the relay for sensor/actuator supply or from terminal 15N_1 are present. Correct these faults first.

Check lines and plug connections between the following components:

• Integrated supply module.
• DME.

Check fuse, replace if necessary.

Check lines and plug connections between the following components:

• DME.
• Oxygen sensor after catalytic converter.

Renew oxygen sensor after catalytic converter.