Mitsubishi Evolution X. Manual — part 916
COMBINATION METER
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CHASSIS ELECTRICAL
54A-25
TROUBLESHOOTING
STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING
M1540203800152
Refer to GROUP 00, Contents of troubleshooting
DIAGNOSIS FUNCTION
M1540200500163
HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicles Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
MB991223
a. MB991219
b. MB991220
c. MB991221
d. MB991222
Harness set
a. Check harness
b. LED harness
c. LED harness
adapter
d. Probe
General service
tool (jumper)
Continuity check and voltage
measurement at harness wire or
connector
a. For checking connector pin
contact pressure
b. For checking power supply
circuit
c. For checking power supply
circuit
d. For connecting a locally sourced
tester
MB992006
Extra fine probe
−
Continuity check and voltage
measurement at harness wire or
connector
Tool
Tool number and
name
Supersession
Application
MB991223
a
d
c
b
DO NOT USE
BA
MB992006
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CHASSIS ELECTRICAL
54A-26
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 scan tool 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: Vehicles Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
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 "Meter" 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
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CHASSIS ELECTRICAL
54A-27
HOW TO DIAGNOSE THE CAN BUS LINES
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicles Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
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 the
scan tool (GROUP 00, How to Cope with Intermittent
Malfunction
).
.
When detecting fault and storing the DTC, the ECU
connected to CAN bus line obtains the data before
the determination of the DTC and the data when the
DTC is determined, and then stores the ECU status
of that time. By analyzing each data from scan tool,
the troubleshooting can be performed more effi-
ciently. The displayed items are as the table below.
DISPLAY ITEM LIST
NOTE:
*
: If a failure occurs to both the ASC-ECU and
ETACS-ECU, 0000 km or FFFF km is displayed on
the scan tool MB991958.
Item No.
Item name
Data item
Unit
01
Odometer
Total driving distance after the diagnostic trouble
code is generated
km
*
02
Ignition cycle
Number of times the ignition switch is turned "ON" or
"LOCK (OFF)" after the past failure transition
Number of
counts is
displayed.
04
Accumulated minute Cumulative time for current malfunction of
diagnostic trouble code
min
COMBINATION METER
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CHASSIS ELECTRICAL
54A-28
DIAGNOSTIC TROUBLE CODE CHART
M1540200600308
CAUTION
• During troubleshooting, a DTC code associated with other system may be set when the ignition
switch is turned on with connector(s) disconnected. On completion, check all systems for DTC
code(s). If DTC code(s) are set, erase them all.
• When the combination meter is required to be replaced as a result of the troubleshooting, the cur-
rent driving distance and number of elapsed days to be used for service reminder function must
be entered into the meter after the replacement. Therefore, read "Integrated mileage for reminder,"
"Integrated days for reminder," "Mileage until Extra reminder," "Months until Extra reminder," and
"Current Schedule" from the meter before the replacement using the special function of scan tool
MB991958, and note them. For the operation method of scan tool MB991958, refer to
"Integrated mileage for reminder" or "Integrated days for reminder" cannot be read by the scan
tool MB991958, follow the method described below.
a. For the driving distance for check warning, use the driving distance displayed on the multi
information display.
b. For the elapsed days for check warning, calculate the number of elapsed days from the deliv-
ery date to the customer (service remainder function start date) and current date.
Diagnostic trouble code
number
Diagnostic item
Reference page
B1200
Malfunction of odometer
B1201
Abnormal fuel information
B1208
Malfunction of LCD heater
B1209
Test mode
B2203
VIN not programmed
B2463
The sticking of rheostat switch
B2464
The sticking of multi information meter switch
B2465
Ignition switch signal error
U0019
Bus off (CAN-B)
U0100
Engine control module CAN timeout
U0141
ETACS CAN timeout
U0151
SRS-ECU CAN timeout
U0154
Occupant classification-ECU CAN timeout
U0164
A/C-ECU CAN timeout
U0168
KOS-ECU or WCM CAN timeout
U0184
Audio CAN timeout
U0197
Hands free module CAN timeout
U0245
Audio visual navigation unit CAN timeout
U1415
Coding not completed/Data fail
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