TROUBLESHOOTING GUIDE
If the MIT unit is still not working properly after following the below Troubleshooting, the unit is
malfunctioning and should be repaired or replaced. Contact Snap-on Call Center 888-542-1011
Unit not working:
Verify the MIT is powered correctly, as indicated by the green Power LED.
If Power LED is not illuminated, verify the red LED found on 12 Volt Power Adapter /
Cable is lit or fuse is not blown.
Problem with Aux/Line-In Test:
Verify AUX/Line-In test cable is inserted properly into the vehicles audio input jack.
Verify the MIT is in AUX/Line-In mode as indicated by the red AUX LED.
Verify the vehicle’s audio system is in Auxiliary or Line-In mode.
Verify the vehicle’s audio system volume is turned up and not in mute mode.
Problem with USB Test:
Verify MIT is in USB mode as indicated by the red USB LED.
Verify the vehicle’s audio system is in USB mode.
Verify the vehicle’s audio system volume is turned up and not in mute mode.
Problem with Bluetooth Pairing:
Remove USB cable from power, then reconnect to reset the MIT. Carefully follow the
pairing instructions for the correct Passkey procedure.
Problem with Bluetooth Test call audio:
Verify the MIT is paired with the vehicle. This is indicated by the quick flashing Bluetooth
LED. Audio system should have indicated the MIT is paired.