User's Manual

Table Of Contents
23
LAUNCH Professional 919X User Manual
4 Diagnose
This function is specially designed to diagnose electronic control systems of
single vehicle model.
4.1 Connection
1). Turn the ignition o󰀨.
2). Locate the vehicle’s 16-pin Data Link Connector (DLC). Refer to Chapter
2.4.
3). Plug one end of the diagnostic cable into the vehicle’s DLC(Data Link
Connector) port, and the other end to the DB-15 diagnostic connector of
the tool, and then tighten the captive screws.