Using the Code Reader
CODE RETRIEVAL PROCEDURE
7
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. This information is found
in the vehicle's service manual. 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. See SAFETY FIRST! on page 1 for more information.
1.
Turn the ignition off.
2.
Locate the vehicle's 16-pin Data Link
Connector (DLC).
3.
Connect the Code Reader’s cable
connector 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 180° and try again.
If you still have problems, check the
DLC on the vehicle and on the Code
Reader. Refer to your vehicle's
service manual to properly check the
vehicle's DLC.
After the Code Reader’s test
connector is properly connected to
the vehicle's DLC, the Vehicle icon
should display to confirm a good
power connection.
4.
Turn the ignition on.
DO NOT
start the
engine.
5.
The Code Reader will automatically link to the vehicle’s computer(s).
If the LCD display is blank, it indicates there is no power at the
vehicle's DLC. Check your fuse panel and replace any burned-
out fuses.
If replacing the fuse(s) does not correct the problem, see your
vehicle's repair manual to locate the proper computer (PCM)
fuse/circuit. Perform any necessary repairs before continuing.
After 4-5 seconds, the Code Reader will
retrieve
and
display
any Diagnostic Trouble Codes that are in the vehicle's computer
memory.