Troubleshooting Guide

Operating Error
If the Scan Tool freezes, an exception occurs or the vehicle's
ECU (Engine Control Unit) is too slow to respond to
requests. You need to do the following to reset the tool:
1. Reset the Scan Tool.
2. 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:
1. Check if the Scan Tool's OBD II connector is
securely connected to the vehicle's DLC.
2. Check if the DLC pins are bent or broken.
Clean the DLC pins if necessary.
3. Check vehicle battery to make sure it is
still good with at least 8.0 volts.
LED Lamps Not Working
If you turn on the Scan Tool and perform the I/M Readiness
test but the LED lamps are not working, there may be several
possible causes, including bad connection and ignition off.
In this case, follow these steps to check the Scan Tool:
1. Make sure the OBD II cable is connected to the DLC securely.
2. Verify the ignition key is in the KOER position.
3. Run the LED Test in the System Setup
menu. If the Scan Tool does not pass this test,
there is a problem with the LED lamp.
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