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Checking ignition coils > < Safety precautions
Motronic injection and ignition system (6 cyl. turbo)
Checking ignition system
Technical data for ignition system

Engine code letters

ASJ (conforms to original emission standard EU II)
ASJ (already conforms to emission standard EU III at start of production)

Idling speed
Not adjustable - controlled by the idling speed stabilisation

750...850 rpm

Engine speed limitation
By closing of throttle valve or deactivation of injectors


7200 rpm

Ignition timing is determined by the control unit.
Ignition timing cannot be adjusted.

Ignition system

Individual coil system with 6 ignition coils connected directly to spark plugs via spark plug connectors The output stages for ignition coils are located as a separate component on the air cleaner housing.

Spark plug connectors

Resistance approx. 2 kω

Firing order

1-4-3-6-2-5

Checking ignition coils > < Safety precautions