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Technical data for ignition system > < General notes on ignition system
Safety precautions
Safety precautions
Note the following if testers and measuring instruments have to be used during a road test:
  WARNING
Accidents can be caused if the driver is distracted by test equipment while road-testing, or if test equipment is not properly secured.
Persons sitting in the front passenger's seat could be injured if the airbag is triggered in an accident.
l  The use of test equipment while driving causes distraction.
l  There is an increased risk of injury if test equipment is not secured.
Test equipment must always be secured on the rear seat with a strap and operated from the rear seat by a second person.
To avoid any risk of injuries to persons and/or damage to the fuel injection and ignition system, always observe the following safety precautions.
t  Do not touch or disconnect ignition wiring when the engine is running or being turned at starter speed.
t  The ignition must be switched off before disconnecting or connecting ignition system wiring, high-voltage wires and test leads.
t  If you want to crank the engine at starting speed without actually starting it (e.g. compression test), first unplug the connectors from the ignition coils and the injectors. After completing the work, interrogate and erase the fault memory.
t  Always switch off the ignition before cleaning the engine.
   

Technical data for ignition system > < General notes on ignition system