Mitsubishi MOTORS M.U.T.-III Owner's Manual page 131

Troubleshooting Procedures on V.C.I. Firmware Update
7-2. Connect V.C.I. by USB cable to PC.
(V.C.I. must not be connected by M.U.T.-III main harness to a
vehicle.)
After "ECU Reprogramming" function is executed
automatically, the following message is displayed on the
display of V.C.I..
Is not this symptom occurring?
" Check SW of VCI,
or connection
with vehicle,or
battery voltage."
7-3. Connect V.C.I. by USB cable to PC.
(V.C.I. must not be connected by M.U.T.-III main harness to a
vehicle.)
After "ECU Reprogramming" function is executed
automatically, the following message is displayed on the
display of V.C.I..
Is not this symptom occurring?
" Vehicle battery
voltage is Low. "
7-4. Connect V.C.I. by USB cable to PC.
(V.C.I. must not be connected by M.U.T.-III main harness to a
vehicle.)
After "ECU Reprogramming" function is executed
automatically, the message is not displayed on the display of
V.C.I..
Is not this symptom occurring?
7-5. When V.C.I. was connected by USB cable to only PC (V.C.I.
must not be connected by M.U.T.-III main harness to a
vehicle),
does the indicator lamp of V.C.I. light?
8. When V.C.I. is connected by M.U.T.-III main harness to only a
vehicle (V.C.I. must not be connected by USB cable to PC),
is not "No application" displayed on the screen of V.C.I.?
9. Even if same V.C.I. are connected by same USB cable to another
USB port of same PC,
does the identical symptom occur?
10. Even if PC was rebooted, does the identical symptom occur?
11. Even if same V.C.I. are connected by another USB cable to
same PC,
does the identical symptom occur?
12. Even if another V.C.I. is connected by same USB cable to same
PC,
does the identical symptom occur?
13. Even if M.U.T.-III is re-installed in PC, does the identical
symptom occur?
14. Even if same V.C.I. is connected by same USB cable to another
PC in which M.U.T.-III was installed,
does the identical symptom occur?
Check Point
124
Remedy
Connect V.C.I. by M.U.T.-III main
harness to the some vehicle, and
make the "ECU Reprogramming"
function finish perfectly.
(It is no problem that the result of
ECU Reprogramming is error.)
Still if the identical symptom occurs,
try re-update of the firmware of
V.C.I..(*)
Connect V.C.I. by M.U.T.-III main
harness to the some vehicle, and
make the "ECU Reprogramming"
function finish perfectly.
(It is no problem that the result of
ECU Reprogramming is error.)
Still if the identical symptom occurs,
try re-update of the firmware of
V.C.I..(*)
Re-update the firmware of V.C.I..(*)
Go to check point 4.
Re-update the firmware of V.C.I..(*)
Use a practicable USB port of PC.
This problem is settled, if the different
symptom occurred.
Exchange and use to a practicable
USB cable.
Request the repair of V.C.I..
This problem is settled, if the different
symptom occurred.
Request the repair of PC.