16
4
CV Diagnostics
By establishing a data link to the electronic control systems of the vehicle being serviced
directly, the CV Diagnostics application allows you to retrieve diagnostic information,
view live data parameters, and perform active tests. The CV Diagnostics application can
access the electronic control module (ECM) for various vehicle control systems, such as
engine, transmission, antilock brake system (ABS), airbag system (SRS) and more.
Establishing Vehicle Communication
The Diagnostics operations require connecting the MaxiSys MS906CV diagnostic
platform to the test vehicle using the main cable.
Vehicle Connection
The method used to connect the Display Tablet to a vehicl
e’s DLC depends on the
vehicle
’s configuration as follows:
A vehicle equipped with an On-board Diagnostics Two (OBD II) management
system supplies both communication and 12-24 volt power through a standardized
J-1962 DLC.
A vehicle not equipped with an OBD II management system supplies
communication through a DLC connection, and in some cases supplies 12-24 volt
power through the cigarette lighter receptacle or a connection to the vehicle battery.
OBD II Vehicle Connection
This type of connection only requires the main cable without any additional adapter.
To connect to an OBD II vehicle
1. Connect the main cable
’s female adapter to the Vehicle Data Connector on the
Display Tablet, and tighten the captive screws.
2. Connect the cable
’s 16-pin male adapter to the vehicle’s DLC, which is
generally located under the vehicle dash.
NOTE
The vehicle
’s DLC is not always located under the dash; refer to the user manual of the
test vehicle for additional connection information.
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