Mitsubishi Evolution X. Manual — part 461
DIAGNOSIS <SHIFT LEVER>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-301
FAIL-SAFE FUNCTION
If an abnormality occurs to the signal of sensors,
switches, solenoids, or others, the shift lever-ECU
performs a control for the driver safety and system
protection. The control contents are as follows.
FAIL-SAFE REFERENCE TABLE
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 (Vehicles with
CAN communication system)
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.
FREEZE FRAME DATA CHECK
Various data of when the diagnostic trouble code is determined
is obtained, and the status of that time is stored. By analyzing
each data using the scan tool, troubleshooting can be per-
formed efficiently.
Display items of the freeze frame data are as follows.
Code No.
Item
Control content
P198D
EEPROM
Normal driving can be performed, and displays an occurrence of
trouble to the multi information display to warn the driver.
P198E
Lever position sensor
system (Malfunction of
one sensor)
Normal driving can be performed, and displays an occurrence of
trouble to the multi information display to warn the driver.
P198F
Lever position sensor
system (Malfunction of
two sensors)
The lever position cannot be identified, and the clutch open at TC-SST
side prohibits the vehicle from driving. Then displays an occurrence of
trouble to the multi information display to warn the driver.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
DIAGNOSIS <SHIFT LEVER>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-302
FREEZE FRAME DATA REFERENCE TABLE
DIAGNOSTIC TROUBLE CODE CHART
M1225000600027
CAUTION
During diagnosis, a DTC associated with other system may be set when the ignition switch is turned
ON with connector(s) disconnected. On completion, confirm all systems for diagnostic trouble
code(s). If diagnostic trouble code(s) are set, erase them all.
SYMPTOM CHART
M1225005200024
CAUTION
During diagnosis, a DTC associated with other system may be set when the ignition switch is turned
ON with connector(s) disconnected. On completion, confirm all systems for diagnostic trouble
code(s). If diagnostic trouble code(s) are set, erase them all.
Item No.
Item
Display contents
4
Current trouble accumulative time
min
5
Shift lever position
• P
• R-P
• R
• N-R
• N
• D-N
• D
• Manual
• +
• −
6
Battery positive voltage
V
DTC No.
Diagnostic item
Reference
page
P0563
Power supply system
P198D
EEPROM system
P198E
Lever position sensor system
P198F
U0001
Bus off
U0100
Engine time-out error
U0101
TC-SST time-out error
U0121
ASC time-out error
U0141
ETACS time-out error
Symptom
Inspection
procedure No.
Reference
page
The scan tool cannot communicate with the shift lever-ECU.
1
Shift indicator light does not illuminate.
2
Back-up light does not illuminate.
3
The driving mode cannot be changed.
4
Speed change with the paddle shift is impossible.
5
Shift lever-ECU power supply circuit abnormality
6
DIAGNOSIS <SHIFT LEVER>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-303
DIAGNOSTIC TROUBLE CODE PROCEDURES
DTC P0563: Power Supply System
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble code may be
set. Prior to this diagnosis, diagnose the CAN
bus lines.
• Whenever the ECU is replaced, ensure that
the CAN bus lines are normal.
.
OPERATION
The shift lever-ECU checks that the power supply cir-
cuit is normal.
.
DTC SET CONDITIONS
The voltage from the battery is determined to be
overvoltage.
.
PROBABLE CAUSES
• Malfunction of the shift lever-ECU
• Generator malfunction
DIAGNOSTIC PROCEDURE
STEP 1. Scan tool CAN bus diagnostics
Using scan tool MB991958, diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the CAN bus lines. (Refer to GROUP 54C
−
Troubleshooting
.) After repairing the CAN
bus line, go to Step 2.
STEP 2. Check whether the DTC is reset.
Q: Is DTC No. P0563 set?
YES : Go to Step 3.
NO : This diagnosis is complete.
STEP 3. Generator system check
Refer to GROUP 16
− Charging System, On-vehicle Service
Q: Is the check result normal?
YES : Go to Step 4.
NO : Repair or replace the generator related parts.
STEP 4. Check whether the DTC is reset.
Q: Is DTC No. P0563 set?
YES : Shift lever assembly replacement. (Refer to
.)
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
DIAGNOSIS <SHIFT LEVER>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-304
DTC P198D: EEPROM System
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble code may be
set. Prior to this diagnosis, diagnose the CAN
bus lines.
• Whenever the ECU is replaced, ensure that
the CAN bus lines are normal.
.
OPERATION
The shift lever-ECU checks that EEPROM or RAM is
normal.
.
DTC SET CONDITIONS
The EEPROM writing data is determined to be
abnormal.
.
PROBABLE CAUSES
• Malfunction of the shift lever-ECU
DIAGNOSTIC PROCEDURE
STEP 1. Scan tool CAN bus diagnostics
Using scan tool MB991958, diagnose the CAN bus lines.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the CAN bus lines. (Refer to GROUP 54C
−
Troubleshooting
.) After repairing the CAN
bus line, go to Step 2.
STEP 2. Check whether the DTC is reset.
Q: Is DTC No. P198D set?
YES : Replace the shift lever assembly. (Refer to
.)
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
DTC P198E, P198F: Lever Position Sensor System
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble code may be
set. Prior to this diagnosis, diagnose the CAN
bus lines.
• Whenever the ECU is replaced, ensure that
the CAN bus lines are normal.
.
OPERATION
The shift lever-ECU has lever position sensors, and
checks for abnormality.
.
DTC SET CONDITIONS
• When one position signal is determined not to be,
P198E is set.
• When two position signals are determined not to
be, P198F is set.
.
PROBABLE CAUSES
• Malfunction of the shift lever-ECU
• Malfunction of the lever position sensor
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