The voltage generated by the described electronic system is much higher than the voltage of conventional ignition systems.
Make sure the ignition is off before starting work.
Switch off the ignition before connecting any measuring equipment, including a stroboscope.
Do not ground to «mass» wires of the ignition coils, this will damage it or the ECU and may result in a severe electric shock.
You can check the condition of the wires and the spark plug by unscrewing the spark plug and attaching it to «mass» clamp type «crocodile».
Do not diagnose by removing the high voltage wires while the engine is running.
It is recommended that if a malfunction occurs during the operation of the engine, contact the Renault station, where the malfunction will be determined for you with less loss of time and money.
The car owner can independently check the reliability of the wire connection, the absence of oxidation on them, the cleanliness of the air and fuel filters, and the condition of the spark plug electrodes.