Chapter 9 Ecu Reprogramming; Process Flow Chart - Mitsubishi MOTORS M.U.T.-III Owner's Manual

Chapter 9 ECU Reprogramming

Notes:
• This function enables the program installed in ECU to be reprogrammed using M.U.T.-III.
• As VIN or other setting information on ECU is not erased by this reprogramming,
you do not need to rewrite VIN.

9-1. Process Flow Chart

Reprogramming by K-Line communication system
-There are 7 different ways for ECU reprogramming as shown below.
-Procedure (a) is recommendable due to the most simple in operation.
-File extension code is "xxxx.rpg".
Process flow chart
Device
Procedure name
Data selection method
1
CD-Rom => PC
PC =>
2
CF memory card
CF memory card
3
=> VCI
PC => VCI
4
(Not via memory card)
5
VCI => ECU
Note
Reprogramming by CAN communication system
-This is the only way for reprogramming by CAN communication system.
-This procedure allows you to select an arbitrary system (ECU) to reprogram as required.
-File extension code is "xxxx.cff".
Process Flow Chart
V.C.I. alone
(a) (b)
Auto data
Load RPG file
retrieval
Select from
Automatic
Data library
9-3-1 9-3-1
9-4-1 9-4-1
9-4-2
9-4-2
+ +
9-4-3(b)
9-4-3(a)
-
-
9-4-4 9-4-4
In case of (a)
Recommended
failure
Device
Automatic Reprogramming
Process name
Data selection
1
CD-Rom => PC
2
PC => VCI =>ECU
(c) (d)
Automatic
ECU
reprogramming
reprogram
(K-line)
-
Automatic
- 9-3-1
- -
- -
9-5-1
- +
9-5-2(a)
9-4-3(c)+
9-5-3
9-4-4
Special use
In case
only
memory card is
(When data
N/A
stored in VCI)
PC+V.C.I.
(CAN)
Automatic
9-3-1
9-6
75
(Chapter No.)
PC + VCI (Optional)
(e) (f)
Database File Reprogram
Display Data Selection
Select from Select from
data library in data library in
PC any drive
9-3-1 9-3-1
- -
- -
9-5-1 9-5-1
+ +
9-5-2(b) 9-5-2(c)
9-5-3 9-5-3
In case In case
memory card is memory card is
N/A and (d) N/A and (d)
failure failure
(g)
Search
Select by key
of vehicle
info.
9-3-1
-
-
9-5-1
+
9-5-2(d)
9-5-3
In case
memory card
is N/A and (d)
failure