What Are Diagnostic Trouble Codes - Black & Decker Smart Scan AD925 Instruction Manual

Auto diagnostic tool
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• Remove batteries if the device will not be used for several months.
"Transporting batteries can possibly cause fires if the battery terminals inadvertently
come in contact with conductive materials such as keys, coins, hand tools and the
like. The US Department of Transportation Hazardous Material Regulations (HMR)
actually prohibit transporting batteries in commerce or on airplanes (i.e. packed in
suitcases and carry on luggage) UNLESS they are properly protected from short
circuits. So when transporting individual batteries, make sure that the battery
terminals are protected and well insulated from materials that could contact them and
cause a short circuit."
To operate the Tool on Battery Power:
1. Disconnect the Tool from the vehicle.
Unplug the OBD II Connector from the vehicle's DLC.
2. Turn On the Power.
• Press and hold down the Power On/Off key.
• The Tool warms up and displays the most recently retrieved Trouble Codes.
3. Review the data:
READ/Scroll Down key or the
ERASE/Scroll Up key.
The Tool has a backlit LCD. When using the Tool under battery power:
Key Presses
No key press in a 1-minute period Tool turns off LCD backlighting to conserve
No key presses after 2 minutes
Key pressed prior to the Tool
powering off
Power Down the Tool.
When you are done reviewing the diagnostic codes, press and hold the Power On/Off
key to turn off the Tool.
The Tool will store the findings in the Tool's internal memory until the next time you
connect to a vehicle.
If you plug the Tool back into a vehicle, the Tool will update the diagnostic codes stored
in the Tool's internal memory with the latest diagnostic codes from the vehicle's
computer modules.
Because some problems must be present over time before a code is reported, you may
get slightly different results.

What Are Diagnostic Trouble Codes

Diagnostic Trouble Codes (DTCs) are used to determine what is wrong with a vehicle.
Some DTCs are defined by the Society of Automotive Engineers (SAE). DTCs not
assigned or reserved by the SAE are reserved for the vehicle manufacturer. These
codes are referred to as Manufacturer Specific Codes.
Display Response
battery power.
Tool will power off.
LCD backlight turns back on.

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