SEQUENCE OF WORK
1. Remove any end of the high voltage wire from the spark plug and remove the spark plug.
2. Connect the high-voltage wire to the turned out spark plug and fix it on the engine so that the contact between the metal body of the spark plug and the engine is not disturbed from vibrations when the engine crankshaft is turned by the starter. It is best to secure the candle to the threaded part with a piece of thick bare wire.
3. Ask the assistant to turn a cranked shaft of the engine with a starter.
4. If sparks form in the electrode gap of the spark plug, then there is current in the secondary circuit of the ignition system and, in all likelihood, the ignition system is working. However, there may be malfunctions in the ignition system (defective sensor or incorrect torque calculation by the control unit), that cannot be determined by this method.
5. If sparks do not form in the electrode gap of the spark plug, it is necessary to fully check the ignition system.
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