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23
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 VCI device, 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.
Non-OBD II Vehicle Connection
This type of connection requires both the main cable and a required OBD I
adapter for the specific vehicle being serviced.
There are three possible conditions for Non-OBD II vehicle connection:
DLC connection supplies both communication and power.
DLC connection supplies communication and power is to be supplied via
the cigarette lighter connection.
DLC connection supplies communication and power is to be supplied via
connection to the vehicle battery.
To connect to a Non-OBD II Vehicle
1. Connect the main cable’s female adapter to the Vehicle Data
Connector on the VCI device, and tighten the captive screws.
2. Locate the required OBD I adapter and connect its 16-pin jack to the
main cable’s male adapter.
3. Connect the attached OBD I adapter to the vehicle’s DLC.
NOTE: Some adapters may have more than one adapter or may have test
leads instead of an adapter. Whatever the case, make the proper connection
to the vehicle’s DLC as required.
To connect the cigarette lighter
1. Plug the DC power connector of the cigarette lighter into the DC
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