General notes on ignition system
This section deals specifically with ignition-related components. The other components of the injection and ignition system. Refer to General Notes on Fuel Injection .
NOTE:
- For the electric components to work properly, a voltage of at least 11.5 V is required.
- The battery must only be disconnected and connected with the ignition switched off, since the Engine Control Module (ECM) can otherwise be damaged.
- Engine Control Module (ECM) is equipped with On Board Diagnostic (OBD).
- Components marked with * are tested via On Board Diagnostic (OBD). Refer to Diagnostic mode 3: Check DTC Memory
- It is possible that the control module will recognize a malfunction and store a DTC during some tests. Therefore the following work steps must be performed in the mentioned sequence after ending all tests and repairs.
- Check DTC memory. Refer to Diagnostic mode 3: Check DTC Memory
- Erase DTC memory. Refer to Diagnostic mode 4: Reset/erase diagnostic data
- For completion, generate readiness code. Refer to Readiness code, generating
Parts of ignition, removing and installing:
- Vehicles with engine code AFP. Refer to Parts of the ignition (vehicles with engine code AFP), removing and installing ,
- Vehicles with engine codes BDF and BJS. Refer to Parts of ignition (vehicles with engine codes BDF and BJS), removing and installing .
Safety precautions. Refer to Safety precautions .
Test data, spark plugs. Refer to Test data, spark plugs .