Ignition System: Description and Operation

Ignition System

• The Engine Control Module (ECM) is equipped with On Board Diagnostics (OBD).

• For the electric components to work properly, a voltage of at least 11.5 Volts is required.

• It is possible that entries may be stored in the ECM Diagnostic Trouble Code (DTC) memory in some tests. After completing all testing and repairs, check the DTC memory.

• If the engine only starts briefly and then turns off again after troubleshooting, repair or checking of the components, it may be that the immobilizer is blocking the ECM. The ECM DTC memory must then be checked and if necessary, the control module must be adapted.