Mitsubishi Evolution X. Manual — part 409
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-93
OBD-II DRIVE CYCLE PATTERN
The difference of the calculated temperature is 20
° C
(36
° F) or less.
.
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. P1808 set?
YES : Replace the TC-SST assembly. (Refer to
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
DTC P180C: Clutch pressure cut spool sticking
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 clutch pressure cut
spool is normal.
.
DESCRIPTIONS OF MONITOR METHODS
The clutch pressure cut spool is determined to be
seized.
.
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. P180C set?
YES : Replace the TC-SST assembly. (Refer to
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-94
DTC P181B: Clutch 1 (Pressure 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 clutch 1 pressure is
normal.
.
DESCRIPTIONS OF MONITOR METHODS
The pressure of the clutch 1 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)
• P0841: Clutch 1 pressure sensor system (Poor
performance)
• P0842: Clutch 1 pressure sensor system (Output
low range out)
• P0843: Clutch 1 pressure sensor system (Output
high range out)
• P1836: Shift fork 1 malfunction
• P183D: Shift fork 2 malfunction
Sensor (The sensor below is determined to be
normal)
• Clutch 1 pressure sensor
.
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.
• Engine speed: 500 r/min or more.
• Time since above engine condition: 400 millisec-
ond or more.
AC710671
START
No
Good
Malfunction
END
Monitoring condition met
Continuous failure
for 5 sec
No
Yes
Yes
Yes
No
Calculated pressure > 2,000 mbar
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-95
• Clutch 1 (odd) state: Slip or engaged.
• Clutch/shift pressure solenoid 1: Not OFF or not
in valve cleaning mode.
JUDGMENT CRITERIA
• Calculated pressure: 2,000 mbar or more. (5 sec-
onds)
.
OBD-II DRIVE CYCLE PATTERN
The calculated pressure remains 2,000 mbar or less
for 5 seconds.
.
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. P181B set?
YES : Replace the TC-SST assembly. (Refer to
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
.)
DTC P181C: Clutch 1 (Pressure 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 clutch 1 pressure is
normal.
.
DESCRIPTIONS OF MONITOR METHODS
The pressure of the clutch 1 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)
• P0841: Clutch 1 pressure sensor system (Poor
performance)
• P0842: Clutch 1 pressure sensor system (Output
low range out)
• P0843: Clutch 1 pressure sensor system (Output
high range out)
• P1836: Shift fork 1 malfunction
• P183D: Shift fork 2 malfunction
Sensor (The sensor below is determined to be
normal)
• Clutch 1 pressure sensor
.
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-96
LOGIC FLOW CHARTS (Monitor Sequence)
<Target clutch 1 (odd) pressure: 3,000 mbar or more>
.
DTC SET CONDITIONS <TARGET
CLUTCH 1 (ODD) PRESSURE: 3,000
MBAR OR MORE>
Check Conditions
• Engine speed: 500 r/min or more.
• Time since above engine condition: 400 millisec-
ond or more.
• Clutch 1 (odd) state: Slip or engaged.
• Target clutch 1 (odd) pressure: 3,000 mbar or
more.
JUDGMENT CRITERIA
• Calculated pressure: −5,000 mbar or less. (220
millisecond)
.
OBD-II DRIVE CYCLE PATTERN <TARGET
CLUTCH 1 (ODD) PRESSURE: 3,000
MBAR OR MORE>
The calculated pressure remains
−5,000 mbar or
more for 220 milliseconds.
.
AC710672
START
No
Good
Malfunction
END
Monitoring condition met
Continuous failure
for 220 msec
No
Yes
Yes
Yes
No
Calculated pressure
< -5,000 mbar
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст