Ignition System, Servicing
→ Ignition System Components, Removing and Installing .
→ Technical Data, Spark Plugs .
→ Ignition Coils With Power Output Stage, Removing and Installing
→ Ignition Coils With Power Output Stages, Checking
→ Camshaft Position Sensor, Checking
→ Camshaft Adjustment Valves, Checking
NOTE:
- For trouble-free operation of the electrical components a voltage of at least 11.5 V is necessary.
- The batteries must only be disconnected and connected with the ignition switched off, since the Engine Control Modules (ECM) can otherwise be damaged.
- Engine Control Modules (ECM) are equipped with On-Board Diagnostics (OBD).
- Components marked with * are tested via On Board Diagnostic (OBD), Diagnostic mode 3: Check DTC memory.
- During some checks it is possible that the control module will detect and store a malfunction. Therefore the following work steps must be performed in the mentioned sequence after ending all tests and repairs.
- Check DTC memory
- Erase DTC memory → Diagnostic Mode 04 - Erase DTC Memory , Diagnostic mode 4: Reset/erase diagnostic data,
- For completion, generate readiness code → Readiness Code, Generating .