Ignition system

General notes on ignition system

• The engine control unit - J623- is capable of self-diagnosis.
• For trouble-free operation of electrical components, a voltage of at least 11.5 V is necessary.
• In some tests, a fault may be detected and stored by the engine control unit - J623-. Therefore, after completing all the checks and repairs, read the event memory and clear it if necessary.

⇒ 2.2 Safety precautions when working on ignition system.

⇒ 1.1 Assembly overview - ignition system

⇒ 1.2 Removing and installing ignition coils with output stage

⇒ 1.3 Removing and installing engine speed sender G28

⇒ 1.4 Test data, spark plugs.