CONTENTS OF ENGINE ELECTRICAL SYSTEM GENERAL
General Information -> Working on ignition system.
-> Removing and installing electronic control units.
-> Welding work (overload protection of co
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting -> Fault in fuel injection system
-> Spark plug faults
-> Ignition coil faults
-> Further fault patterns with evaluation
-> Additional
Guest profile
The guest profile can be activated by any driver.
Vehicle settings that are entered when the guest
profile is active will be stored in the guest profile.
In the following cases the guest profile is automatically
active:
A driver profile has not been created yet.
No driver profile h
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
Necessary preliminary tasks:
Read out fault memory of DME control unit; if necessary, work through
test schedules
Switch off ignition
Lever out expansion rivets (1).
Press lock (2) and raise in