Mitsubishi Evolution X. Manual — part 597
SPECIAL TOOL
TSB Revision
WIRELESS CONTROL MODULE (WCM)
42C-5
SPECIAL TOOL
M1427501300024
Tool
Tool number and
name
Supersession
Application
MB991958
a. MB991824
b. MB991827
c. MB991910
d. MB991911
e. MB991914
f. MB991825
g. MB991826
M.U.T.-III sub
assembly
a. Vehicle
communication
interface (V.C.I.)
b. M.U.T.-III USB
cable
c. M.U.T.-III main
harness A
(Vehicles with
CAN
communication
system)
d. M.U.T.-III main
harness B
(Vehicles without
CAN
communication
system)
e. M.U.T.-III main
harness C (for
Daimler Chrysler
models only)
f. M.U.T.-III
measurement
adapter
g. M.U.T.-III trigger
harness
MB991824-KIT
NOTE: G: MB991826
M.U.T.-III Trigger
Harness is not
necessary when
pushing V.C.I. ENTER
key.
CAUTION
M.U.T.-III main harness A
(MB991910) should be used.
M.U.T.-III main harness B and C
should not be used for this
vehicle.
ETACS-ECU check (Diagnostic
trouble code, service data)
MB991910
MB991826
MB991958
MB991911
MB991914
MB991824
MB991827
MB991825
DO NOT USE
a
b
c
d
e
f
g
DO NOT USE
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-6
DIAGNOSIS
STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING
M1427504600035
Refer to GROUP 00
− How to Use Troubleshooting/Inspection
Service Points, Contents of Troubleshooting
.
DIAGNOSTIC FUNCTION
M1427501400032
HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
MB991223
a. MB991219
b. MB991220
c. MB991221
d. MB991222
Harness set
a. Test harness
b. LED harness
c. LED harness
adaptor
d. Probe
General service tools Continuity check and voltage
measurement at harness wire or
connector for loose, corroded or
damaged terminals, or terminals
pushed back in the connector.
a. Connector pin contact
pressure inspection
b. Power circuit inspection
c. Power circuit inspection
d. Commercial tester connection
MB992006
Extra fine probe
−
Making voltage and resistance
measurement during
troubleshooting
Tool
Tool number and
name
Supersession
Application
MB991223
a
d
c
b
DO NOT USE
BA
MB992006
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-7
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF)
position.
2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824
and the personal computer.
4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"
position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in a green
color.
7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the
connecting sequence, making sure that the ignition switch is at
the "LOCK" (OFF) position.
HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
NOTE: If the battery voltage is low, diagnostic trouble codes will
not be set. Check the battery if scan tool MB991958 does not
display.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "System select" from the start-up screen.
4. Select "From 2006 MY" of "Model Year." When the "Vehicle
Information" is displayed, check the contents.
5. Select "ETACS" from "System List", and press the "OK"
button.
NOTE: When the "Loading Option Setup" list is displayed,
check the applicable item.
6. Select "Diagnostic Trouble Code."
7. If a DTC is set, it is shown.
8. Choose "Erase DTCs" to erase the DTC.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
DIAGNOSIS
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WIRELESS CONTROL MODULE (WCM)
42C-8
HOW TO DIAGNOSE THE CAN BUS LINES
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "CAN bus diagnosis" from the start-up screen.
4. When the vehicle information is displayed, confirm that it
matches the vehicle being diagnosed.
• If they match, go to step 8.
• If not, go to step 5.
5. Select the "view vehicle information" button.
6. Enter the vehicle information and select the "OK" button.
7. When the vehicle information is displayed, confirm again
that it matches the vehicle being diagnosed.
• If they match, go to step 8.
• If not, go to step 5.
8. Select the "OK" button.
9. When the optional equipment screen is displayed, choose
the one which the vehicle is fitted with, and then select the
"OK" button.
CHECK OF FREEZE FRAME DATA
The freeze frame data can be checked by using scan
tool MB991958 (M.U.T.-III sub assembly).
.
When detecting fault and storing the diagnosis code,
the ECU connected to CAN bus line obtains the data
before the determination of the diagnosis code and
the data when the diagnosis code is determined, and
then stores the ECU status of that time. By analysing
each data from scan tool MB991958 (M.U.T.-III sub
assembly), the troubleshooting can be performed
more efficiently. The displayed items are as the table
below.
Display item list
Item No.
Item name
Data item
Unit
1
Odometer
Total driving distance after the diagnosis code
is generated
km
2
Ignition cycle
Number of times the ignition switch is turned
"ON" or "LOCK (OFF)" after the past failure
transition
Number of counts
is displayed.
4
Accumulated minute
Cumulative time for current malfunction of
diagnosis code
min
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