12 13 Notes on checking ignition system

Troubleshooting 

1. -> Fault in fuel injection system. Refer to 12 13 ... FAULT IN FUEL INJECTION SYSTEM .
2. -> Spark-plug faults. Refer to 12 13 ... SPARK-PLUG FAULTS .
3. -> Ignition coil faults. Refer to 12 13 ... IGNITION COIL FAULTS .
4. -> Further fault patterns with evaluation. Refer to 12 13 ... FURTHER FAULT PATTERNS WITH EVALUATION .
5. -> Additional fault notes for troubleshooting. Refer to 12 13 ... ADDITIONAL FAULT NOTES FOR TROUBLESHOOTING .

Oscillograms 

-> Normal oscillogram, refer to 12 13 ... NORMAL OSCILLOGRAM (N42, N62) .

Check 

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