X-431Iv Accessory Description - LAUNCH TECH X-431 IV User Manual

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between X-431IV main unit, SMARTBOX and the vehicle's electronic control unit. For example, indicator
should be on when downloading diagnostic program to SMARTBOX, if it's off, it indicates the poor
connection between SMARTBOX and main unit or problems in SMARTBOX itself; indicator
on when vehicle model has been selected and the SMARTBOX is sending data to the vehicle's electronic
control unit; similarly, indicator
receiving data from the vehicle's electronic control unit.
Table 2-2 formulates all ports of X-431IV rear panel.
14 CF card slot (to install CF card)
15 Printer cover (to install printing paper)
16 Stylus slot (to place the stylus)

2.2 X-431IV Accessory Description

Each unit is supplied with the same universal accessories; X-431IV configurations (such as diagnostic
software, diagnostic connectors, etc.) are differed with different users. Users could consult local dealer for
the detailed information or check configuration-packing list supplied with X-431IV for the specific
configuration. The figure below is for the universal accessories:
The components name and their functions:
should be on during DataStream reading process when SMARTBOX is
Figure 2-3 X-431IV structure view (Rear)
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X-431IV English User's Manual
should be