Launch X431 Scopebox User Manual page 91

LAUNCH
ignition is invalid.
X-431 GDS can test and analyze the primary/secondary signal for
various engine ignition systems.
In main menu, click "Engine ignition waveform" - "Configuration" to
enter the interface shown as Fig. 4-1:
This interface
Primary-Distributor
Primary-Direct
Secondary-Simultaneous ignition, and Secondary-Direct ignition.
4.1 Primary-distributor ignition analysis
Tips:
Generally, the sequence of ignition is (The specific sequence is
Fig.4-1
includes six
ignition, Primary-Simultaneous
ignition, Secondary-Distributor
X431 GDS Scopebox Manual
engine ignition analyses:
ignition,
ignition,