Mitsubishi Lancer Evolution X. Manual — part 552
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DIAGNOSIS <TC-SST>
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TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-165
• 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
.
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 millisecond.
.
PROBABLE CAUSES
• Malfunction of TC-SST-ECU
• Malfunction of shift fork position sensor 3
DIAGNOSTIC PROCEDURE
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
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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DIAGNOSIS <TC-SST>
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TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-166
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. P182B set?
YES : Go to Step 3.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 3. Scan tool Teach-In
(1) Carry out the Item No. 1: Plausibility check. (Refer to
Special Function (Teach-In Reference Table
).)
(2) After Teach-In, check which result ("Yes" or "No") is
displayed in the Data list No. 101: Normal End. (Refer to
Special Function (Teach-In Reference Table
).)
Q: Which is displayed, "Yes" or "No"?
"Yes" : Replace the transaxle assembly. (Refer to
.)
"No" : Go to Step 4.
STEP 4. Replace the mechatronic assembly, and check if
the DTC is reset.
(1) Replace the mechatronic assembly. (Refer to
(2) Perform a test run of the vehicle.
(3) Check the DTC.
Q: Is DTC No.P182B set?
YES : Replace the transaxle assembly. (Refer to
.)
NO : This diagnosis is complete.
DTC P182C: Shift Fork Position Sensor 3 System (Output 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 output of the shift fork
position sensor 3 is normal.
.
DESCRIPTIONS OF MONITOR METHODS
The output of the shift fork position sensor 3 is deter-
mined to be abnormal.
.
MONITOR EXECUTION
• Continuous
.
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DIAGNOSIS <TC-SST>
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TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-167
MONITOR EXECUTION CONDITIONS
(OTHER MONITOR AND SENSOR)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• P182A: Shift fork position sensor 3 system (Volt-
age low range out)
• P182B: Shift fork position sensor 3 system (Volt-
age high range out)
• P182D: Shift fork position sensor 3 system (Neu-
tral)
• P182E: Shift fork position sensor 3 system (Poor
performance)
• P1844: Shift fork 3 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
.
LOGIC FLOW CHARTS (Monitor Sequence)
.
AC710681
START
No
Good
Malfunction
END
Continuous failure
for 180 msec
No
Yes
Yes
Yes
No
No
Shift fork position
counter < -500
Yes
Shift fork position
counter > 500
Monitoring condition met
DIAGNOSIS <TC-SST>
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TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-168
DTC SET CONDITIONS
Check Conditions
• Voltage of battery: 8 V or more.
• Voltage of battery: 16.5 V or less.
• Engine speed: 650 r/min or more.
• Time since above engine condition: 1.5 seconds
or more.
• Shift system status: Gear change mode (during
shift fork moving).
JUDGMENT CRITERIA
• Shift fork 3 position counter (digitized sensor
value): −500 counts or less, shift fork 3 position
counter (digitized sensor value): 500 counts or
more. (180 millisecond)
.
OBD-II DRIVE CYCLE PATTERN
The status with the shift fork 3 position counter (digi-
tized sensor value) −500 counts or more, or with the
shift fork 3 position counter (digitized sensor value)
500 counts or less continues for 180 millisecond.
.
PROBABLE CAUSES
• Malfunction of TC-SST-ECU
• Malfunction of shift fork position sensor 3
DIAGNOSTIC PROCEDURE
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
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.
After driving in the 6th gear, check that the DTC is reset.
Q: Is DTC No. P182C set?
YES : Go to Step 3.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 3. Scan tool Teach-In
(1) Carry out the Item No. 1: Plausibility check. (Refer to
Special Function (Teach-In Reference Table
).)
(2) After Teach-In, check which result ("Yes" or "No") is
displayed in the Data list No. 101: Normal End. (Refer to
Special Function (Teach-In Reference Table
).)
Q: Which is displayed, "Yes" or "No"?
"Yes" : Replace the transaxle assembly. (Refer to
.)
"No" : Go to Step 4.
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