Mitsubishi Evolution X. Manual — part 420
![](/vehicles/winoney/olin/otor/owa.png)
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-137
STEP 2. Check whether the DTC is reset.
Q: Is DTC No. P182E set?
YES : Replace the TC-SST assembly. (Refer to
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
DTC P1831: Shift Fork Position Sensor 4 System (Voltage low range out)
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.
.
DIAGNOSTIC FUNCTION
TC-SST-ECU checks that the voltage of the shift fork
position sensor 4 is normal.
.
DESCRIPTIONS OF MONITOR METHODS
The voltage of the shift fork position sensor 4 is too
low.
.
MONITOR EXECUTION
• Continuous
.
MONITOR EXECUTION CONDITIONS
(OTHER MONITOR AND SENSOR)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• P1832: Shift fork position sensor 4 system (Volt-
age high range out)
• P1833: Shift fork position sensor 4 system (Out-
put range out)
• P1834: Shift fork position sensor 4 system (Neu-
tral)
• P1835: Shift fork position sensor 4 system (Poor
performance)
• P184B: Shift fork 4 malfunction
• P1852: Shift fork 1 or 2 opposite direction move-
ment
• P1855: Shift fork 3 or 4 opposite direction move-
ment
• P1858: Even number gear axle interlock
• P1876: Gear block 1st
• P1877: Gear block 2nd
• P1878: Gear block 3rd
• P1879: Gear block 4th
• P187A: Gear block 5th
• P187B: Gear block 6th
• P187C: Gear block reverse
Sensor (The sensor below is determined to be
normal)
• Not applicable
.
![](/vehicles/winoney/olin/otor/adi.png)
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-138
LOGIC FLOW CHARTS (Monitor Sequence)
.
DTC SET CONDITIONS
Check Conditions
• Voltage of battery: 8 V or more.
• Voltage of battery: 16.5 V or less.
JUDGMENT CRITERIA
• Position sensor voltage: 0.128 V or less. (160 mil-
lisecond)
.
OBD-II DRIVE CYCLE PATTERN
The position sensor voltage remains 0.128 V or more
for 160 milliseconds.
.
PROBABLE CAUSES
• Malfunction of TC-SST-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. P1831 set?
YES : Replace the TC-SST assembly. (Refer to
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
AC710676
START
No
Good
Malfunction
END
Monitoring condition met
Continuous failure
for 160 msec
No
Yes
Yes
Yes
No
Shift fork position
< 0.128 V
![](/vehicles/winoney/olin/otor/youtain.png)
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-139
DTC P1832: Shift Fork Position Sensor 4 System (Voltage high range out)
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.
.
DIAGNOSTIC FUNCTION
TC-SST-ECU checks that the voltage of the shift fork
position sensor 4 is normal.
.
DESCRIPTIONS OF MONITOR METHODS
The voltage of the shift fork position sensor 4 is too
high.
.
MONITOR EXECUTION
• Continuous
.
MONITOR EXECUTION CONDITIONS
(OTHER MONITOR AND SENSOR)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• P1831: Shift fork position sensor 4 system (Volt-
age low range out)
• P1833: Shift fork position sensor 4 system (Out-
put range out)
• P1834: Shift fork position sensor 4 system (Neu-
tral)
• P1835: Shift fork position sensor 4 system (Poor
performance)
• P184B: Shift fork 4 malfunction
• P1852: Shift fork 1 or 2 opposite direction move-
ment
• P1855: Shift fork 3 or 4 opposite direction move-
ment
• P1858: Even number gear axle interlock
• P1876: Gear block 1st
• P1877: Gear block 2nd
• P1878: Gear block 3rd
• P1879: Gear block 4th
• P187A: Gear block 5th
• P187B: Gear block 6th
• P187C: Gear block reverse
Sensor (The sensor below is determined to be
normal)
• Not applicable
.
![](/vehicles/winoney/olin/otor/rorandn.png)
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-140
LOGIC FLOW CHARTS (Monitor Sequence)
.
DTC SET CONDITIONS
Check Conditions
• Voltage of battery: 8 V or more.
• Voltage of battery: 16.5 V or less.
JUDGMENT CRITERIA
• Position sensor voltage: 3.008 V or more. (160
millisecond)
.
OBD-II DRIVE CYCLE PATTERN
The position sensor voltage remains 3.008 V or less
for 160 milliseconds.
.
PROBABLE CAUSES
• Malfunction of TC-SST-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. P1832 set?
YES : Replace the TC-SST assembly. (Refer to
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
AC710680
START
No
Good
Malfunction
END
Monitoring condition met
Continuous failure
for 160 msec
No
Yes
Yes
Yes
No
Shift fork position
> 3.008 V
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