7
Product Troubleshooting
Vehicle Linking Error
A communication error occurs if the scan tool fails to communicate with the
vehicle’s ECU (Engine Control Unit). You need to do the following to check
up:
Verify that the ignition is ON.
Check if the scan t
ool’s connector is securely connected to the vehicle’s
DLC.
Turn the ignition off and wait for about 10 seconds. Turn the ignition
back to on and continue the testing.
Verify the control module is not defective.
Operating Error
If the scan tool freezes, then an exception occurs or th
e vehicle’s ECU
(Engine 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 t
ool’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.
