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Toyota/Lexus OBD1 Systems
VEHICLES COVERED
56
Set gear lever in "park" (for automatic transmissions) or “neutral”
for manual transmissions.
Turn off all accessories.
3. Highlight Read DTCs, then press ENTER
.
The Scan Tool will begin the code retrieval process.
4. When the Scan Tool is in the process of retrieving codes, a "One
moment please..." message.
If the Scan Tool fails to link to the vehicle’s computer a “Vehicle
is not responding” message shows.
- Verify the ignition is ON.
- Check the cable connections at the Scan Tool and at the
vehicle’s DLC.
- Turn the ignition OFF, wait 10-12 seconds, then turn back ON
to reset the computer.
- Press POWER/LINK
.
5. If the Scan Tool was able to link to the
vehicle successfully a "Code retrieval
was successful..." message shows
temporarily, followed by any retrieved
DTCs.
The Scan Tool will display a code
only if codes are present in the
vehicle's computer memory. If no codes are present, a "No
DTC's are presently stored in the vehicle's computer" message
is displayed.
6. If more than one code was retrieved press DTC/FF, as necessary,
to display additional codes one at a time.
In the case of long code definitions, a small arrow is shown in the
upper/lower right-hand corner of the code display area to indicate
the presence of additional information.
7. Disconnect the Scan Tool from the vehicle and turn the ignition key
OFF.
8. To prolong battery life, the Scan Tool automatically shuts "Off" after
approximately three minutes with no button activity. The DTCs
retrieved will remain in the Scan Tool's memory, and may be viewed
at any time. If the Scan Tool’s batteries are removed, or if the Scan
Tool is re-linked to a vehicle to retrieve codes, any prior codes in its
memory are automatically cleared.
9. Follow the testing and repair procedures outlined in the vehicle's service
repair manual to correct "hard" DTCs. Codes should be addressed and
eliminated in the order they were received, erasing and retesting after
each repair is made to be sure the fault was eliminated.
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