User Manual

Using the Scan Tool
CODE RETRIEVAL PROCEDURE
6
CODE RETRIEVAL PROCEDURE
Never replace a part based only on the DTC definition.
Each DTC has a set of testing procedures, instructions
and flow charts that must be followed to confirm the
location of the problem. Always refer to the vehicle's
service manual for detailed testing instructions.
Check your vehicle thoroughly before performing
any test.
ALWAYS observe safety precautions whenever working on a
vehicle.
1. Turn the igniti
on off.
2. Locate the veh
i
cle's 16-pin Data Link
C
onnector (D
LC).
Some DLCs ha
ve a plastic cover
that must be removed before
connecting the Scan Tool.
If the Scan Tool is ON, turn it OFF
BEFORE connecting to the DLC.
3. Connect the Scan Tool to the vehicle's
DLC. The cable connector is keyed and
will only fit one way.
 If you have problems connecting the
cable
connector to the DLC, rotate
the connector 1
80°.
I
f you still have problems, check th
e
DL
C on the vehicle and on the Scan
Tool.
4. Turn the
ignition on. DO NOT start the
engine.
5. When the S
can Tool is properly
connected to the vehicl
e’s DLC, the
S
can Tool will automatically turn ON
.
 If the unit does not power on automatically, it may indicate there
is no power pre
sent at the vehicle’s DLC conn
ector. Check the
fuse panel a
nd replace any burn
ed-out fuses.
 If replacing the fuse(s) does not correct the problem, consult
your vehic
le’s repair manual to identify the
proper computer
(PCM) fuse/circ
uit, and perform any necessary repairs befor
e
proceeding.
Retrieving and using Diagnostic Trouble Codes (DTCs) for
troubleshooting vehicle operation is only one part of an
overall diagnostic strategy.