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
Special tools required:
61 0 300
61 0 400
61 1 150
Abbreviations and what they mean:
ABBREVIATIONS MEANINGS
Ultrasonic-welded connectors:
Ultrasonic-welded connectors (1) can be identified by the welds (2) on their
longitudinal side.
The contacts of these connectors cannot be replaced. Repl
Safety information
Warning
Due to system limits, individual functions can
malfunction during tow-starting/towing with the
Intelligent Safety systems activated. There is a
risk of accident. Switch all Intelligent Safety
systems off prior to tow-starting/towing.
Steptronic transmission:
transporting t