Location Of The Data Link Connector (Dlc); Obd Ii Definitions; Obd Ii Définitions - Autophix OBDMATE OM123 Manuel De L'utilisateur

2.3 Location of the Data Link Connector (DLC)

The DLC (Data Link Connector or Diagnostic Link Connector) is the
standardized 16-cavity connector where diagnostic scan tools interface with the
vehicle's on-board computer. The DLC is usually located 12 inches from the
center of the instrument panel (dash), under or around the driver's side for most
vehicles. If the Data Link Connector is not located under the dashboard, a label
should be there revealing its 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 for the location.
Figure 1-3: The DLC connector (left) can be found in the
area of the car interior seen at right (black arrow).

2.4 OBD II Definitions

Powertrain Control Module (PCM) -the OBD II terminology for the on-board
computer that controls the engine and the drive train.
Malfunction Indicator Light (MIL) -Malfunction Indicator Light (Service Engine
Soon, Check Engine) is a term used for the light on the instrument panel. It is to
alert the driver and/or the repair technician that there is a problem with one or
more of vehicle's systems and may cause emissions to exceed federal
standards. If the MIL illuminates with a steady light, it indicates that a problem
has been detected and the vehicle should be serviced as soon as possible.
Under certain conditions, the dashboard light will blink or flash. This indicates a
severe problem and flashing is intended to discourage vehicle operation. The
vehicle onboard diagnostic system can not turn the MIL off until necessary
repairs are completed or the condition no longer exists.
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