Chrysler/jeep obd1 systems, Code retrieval procedure – Equus 3120 - OBD 2&1 Tool Kit User Manual
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OBD2 & 1
E
Chrysler/Jeep OBD1 Systems
CODE RETRIEVAL PROCEDURE
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.
See Before You Begin on page 17 for details.
ALWAYS observe safety precautions whenever working on a
vehicle. See Safety Precautions on page 3 for more informa-
tion.
1. Locate the vehicle’s Data Link Connector (DLC). See Data Link
Connector (DLC) on page 37 for connector location.
Some DLCs have a plastic cover that must be removed
before connecting the Tool’s cable connector.
2. Connect the Tool cable (with the
Chrysler Connector Cable Adaptor
attached) to the Tool, then connect the
adaptor to the vehicle’s DLC. Press the
POWER/LINK
button to turn the
Tool ON.
■
Set the parking brake, and make sure
all vehicle accessories are turned off.
3. Turn the ignition ON. DO NOT start the
engine. Press the ENTER/FF
but-
ton to continue.
4. Select the model year of the vehicle
from which you wish to retrieve codes:
If a previous vehicle selection is currently saved in the Tool's
memory, the "Current Selection/Select New Vehicle" menu
displays. If no previous vehicle selection is stored in the Tool's
memory, "Select New Vehicle" displays. Use the
and
buttons, as necessary, to make your selection.
Retrieving and using Diagnostic Trouble Codes (DTCs) for
troubleshooting vehicle operation is only one part
of an overall diagnostic strategy.