Toyota/Lexus OBD1 Systems
CODE RETRIEVAL PROCEDURE
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Check your vehicle thoroughly before performing any test. See
BEFORE YOU BEGIN on page 31 for details.
ALWAYS observe safety precautions whenever working on a
vehicle. See Safety Precautions on page 3 for more
information.
1.
Locate the vehicle's Data Link Connector (DLC). See DATA LINK
CONNECTOR (DLC) on page 101 for connection location.
Some DLCs have a plastic cover that must be removed before
connecting the Diagnostic Tool's cable connector.
2.
Connect the Diagnostic Tool cable (with the Toyota Connector
Cable Adaptor attached) to the Diagnostic Tool, then connect the
adaptor to the vehicle’s DLC. Press the POWER/LINK
button
to turn the Diagnostic Tool ON.
The Toyota OBD1 menu displays.
3.
To view codes in the Diagnostic Tool’s
memory:
Use the UP
and DOWN
buttons, as necessary, to highlight
Review DTCs, then press the
ENTER
button.
4.
To retrieve codes from the vehicle’s
computer:
Use the UP
and DOWN
buttons, as necessary, to highlight
Read DTCs, then press the ENTER
button.
The LCD display shows instructions
to prepare the vehicle to retrieve
codes.
5.
Do the following before proceeding to step 4:
Turn ignition ON and start engine. Warm engine to operating
temperature. (Shut engine off after warm up).
Make sure throttle is closed.
Set gear lever in "park" (for automatic transmissions) or “neutral”
for manual transmissions.
Turn off all accessories.
6.
Turn ignition ON. DO NOT start the engine.
Press the ENTER
button to continue.
The Diagnostic Tool will begin the
code retrieval process.
7.
When the Diagnostic Tool is in the
process of retrieving codes, a "One
moment please..." message shows on
the Diagnostic Tool’s LCD display.
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