Systems
B
~
Body
CzChass,s
P
Powe,traon
U:Netwo,
k
Code
Type
G,nerlc\SAE)
,0
BO
co
co
M
anu
l
acturerSpeclllc:
P1P2
B1
. B2
C1
C2
U1
.U2
Sub-systems
\
:Fueland
a1rmeter,ng
2:lgn,t,onsystemoren.g,nem,stire
3:
Au~1hary em,ss,ons
co
ntr~
s
4:Veh1cl
espe
ed con
1r~and<dle
con
1ro
1s
5:Computeroutput
c,
rcu,ts
6
~
Transm1ss1oncon1rols
Figure 1-2: Explanation
of
a diagnostic trouble code.
2.3
Location
of
the
Data
Link
Connector
(DLC)
The OLC (Data Link Connector or Diagnostic Link Connector) is the
standardized 16-pin 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).
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