Connections; Preparation; Dlc Location - Launch Diagun v X-431 Manual

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4.3 Connections

4.3.1 Preparation

Normal testing conditions
Turn on the vehicle ignition key.
Vehicle battery voltage range should be 9-18 Volts.
Throttle should be in a closed position.
Select the VCI connector
If the tool is testing vehicles equipped with universal OBD II diagnostic socket,
please use the included VCI connector (For vehicles with non-OBD II diagnostic
socket, a non-16 pin connector is required).

4.3.2 DLC location

The DLC (Data Link Connector) is typically a standard 16-pin connector where
diagnostic tools interface with a vehicle's on-board control modules. The DLC is
usually located 12 inches from the center of the instrument panel, under or
around the driver's side for most vehicles. See Fig. 4-7 for DLC location of
different vehicles. If DLC is not located under dashboard, a label should be there
telling location. For some Asian and European vehicles, the DLC is located
behind the ashtray and the ashtray must be removed to access the connector. If
the DLC cannot be found, refer to the vehicle's service manual.
This option allows you to feed back the diagnostic
reports/software bugs to us for troubleshooting and
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To update vehicle diagnostic software.
To browse the FAQ, Quick Start Guide, User Manual
and How-To videos.
To manage, activate your VCI connector, diagnostic
report or personal information etc.
16
Getting Started & Connections