Ignition System: Description and Operation

Ignition System, General Notes

NOTE:
- Only the components which specifically relate to the ignition system are dealt with here. For the other components of the injection and ignition system.
- The engine control module is equipped with On Board Diagnostic (OBD).
- Components marked with an asterisk (*) are checked via the On Board Diagnostic (OBD), checking and erasing DTC memory.
- For trouble-free operation of the electrical components a voltage of at least 11.5 V is necessary.
- During some checks it is possible that the control module will recognize and store a malfunction. Therefore after completing all checks and repairs the DTC memory must be interrogated and if necessary erased, checking and erasing DTC memory
- If the engine starts, runs for a short period and then stops, after troubleshooting, repairs or component tests, then the malfunction may lie with the immobilizer which is blocking the engine control module. The DTC memory must be checked and if necessary the control module matched.

Safety precautions Service Precautions
Technical data, spark plugs.