USER’S MANUAL
OBDII Auto Scanner
5
DTC Example
P 0 2 0 2
Systems
B=Body
C=Chassis
P=Powertrain
U=Network
Code Type
Generic (SAE): Manufacturer Specific:
P0, P2, P34-P39 P1, P30-p33
B0, B3 B1, B2
C0, C3 C1, C2
U0, U3. U1, U2
Sub-systems
1= Fuel and Air Metering
2= Fuel and Air Metering
3= Ignition System or Engine Misfire
4= Auxiliary Emission Controls
5= Vehicle Speed Control and
Idle Controls
6= Computer Output Circuits
7= Transmission Controls
8= Transmission Controls
Identifying specific
malfunctioning section
of the systems
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 Data Link Connector 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 for
the location.
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