12 13 Notes on checking ignition system

Troubleshooting: 

Fault in fuel injection system, refer to 12 13... FAULT IN FUEL INJECTION SYSTEM .

Spark-plug faults, refer to 12 13... SPARK-PLUG FAULTS .

Ignition coil faults, refer to 12 13... IGNITION COIL FAULTS .

Further fault patterns with evaluation, refer to 12 13... FURTHER FAULT PATTERNS WITH EVALUATION .

Additional fault notes for troubleshooting, refer to 12 13... ADDITIONAL FAULT NOTES FOR TROUBLESHOOTING .

Oscillograms: 

Normal oscillogram, refer to 12 13... NORMAL OSCILLOGRAM (M, S, W ENGINES ONLY) .

Oscillograms of ignition coils from different manufacturers, refer to 12 13... OSCILLOGRAMS OF IGNITION COILS FROM DIFFERENT MANUFACTURERS .

Check: 

Secondary signal for stationary ignition distribution, refer to 12 13... CHECKING SECONDARY SIGNAL FOR STATIONARY IGNITION DISTRIBUTION .