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FX4000 Full System Scan Tool
Operating Error
If the scan tool freezes, then an exception occurs or the
vehicle’s ECU (Electronic Control Unit) is too slow to
respond to requests.
You need to do the following to reset the tool:
Reset the scan tool.
Turn the ignition off and wait for about 10 seconds.
Turn the ignition back to on and continue the testing.
Scan tool doesn’t power up
If the scan tool won’t power up or operates incorrectly in
any other way, you need to do the following to check up:
Check if the scan tool’s connector is securely
connected to the vehicle’s DLC;
Check if the DLC pins are bent or broken. Clean the
DLC pins if necessary.
Check vehicle battery to make sure it is still good with
at least 8.0 volts.
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