Chapter 8 Can Bus Diagnosis; Diagnosing The Can Bus - Mitsubishi MOTORS M.U.T.-III Owner's Manual

Chapter 8 CAN Bus Diagnosis

8-1. Diagnosing the CAN Bus

< CAUTION >
• When you execute CAN Bus diagnosis, use M.U.T.-III main harness A.
• When you execute CAN Bus diagnosis, halt the vehicle.
• Calibrate ohmmeter to 0 point periodically for proper diagnosis. (refer to 11-3-2.)
Diagnosing the CAN Bus
8-1-1. CAN Bus Diagnosis
(1) Start Screen
Press CAN Bus Diagnosis button on the STV Top Menu
(illustrated on 3-2), then the left screen appears.
Confirm the contents of Diagnosis Vehicle information list
on the screen.
-If the contents are describing the vehicle, press
-If the contents are not describing the vehicle, press
to correct the information. (refer to 3-3-2)
(2) Equipping System Setup
Put a check mark if the equipment is existence, and press
button.
Note:
mark will be displayed, if you move cursor onto a check
box and click it. (Selection)
mark will be eliminated, if you click again.
(Selection release)
(3) CAN Bus Diagnosis
Pressing
Note:
The right lower massage box shows the details of ECU
names displaying on the configuration screen.
(4) Results
The results of the diagnosis are reflected on the
configuration screen (Error locations are indicated in red),
and the comment is shown on the center lower massage
box.
--This button is able to zoom out the CAN Bus
configuration screen. When a button is pressed again, the
CAN Bus configuration screen returns to the original size.
--Displays the data of the Service manual pertaining to
the error locations. (Not Available in US)
74
button starts the CAN bus diagnosis process.
. (2)