Code Retrieval Procedure; Using The Code Reader - Innova 3100 Owner's Manual

CODE RETRIEVAL PROCEDURE

Retrieving and using Diagnostic Trouble Codes (DTCs) for
troubleshooting vehicle operation is only one part of an
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. See Preparation for Testing on page 12 for
details.
ALWAYS observe safety precautions whenever working on
a vehicle. See Safety Precautions on page 4 for more
information.
1. Turn the ignition off.
2. Locate the vehicle's 16-pin Data Link
Connector (DLC). See page 7 for
connector location.
Some DLCs have a plastic cover
that must be removed before
connecting the Code Reader
cable connector.
3. Turn the Code Reader off and connect the
Code Reader 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 cable is
successfully connected to the vehicle's
DLC, the Code Reader automatically
turns "On" and establishes com-
munication
computer. The word "rEAd" will show
on the LCD display. Proceed to step 4.
OBD 2
Using Code Reader
CODE RETRIEVAL PROCEDURE
overall diagnostic strategy.
with the vehicle's
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