Mitsubishi Lancer Evolution X. Manual — part 598
DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-349
INSPECTION PROCEDURE 7: The vehicle moves with the P-range.
.
COMMENTS ON TROUBLE SYMPTOM
The transaxle control cable, shift lever assembly, or
transaxle assembly may have a problem.
.
PROBABLE CAUSES
• Malfunction of the transaxle control cable
• Malfunction of the shift lever assembly
• Malfunction of the transaxle assembly
DIAGNOSTIC PROCEDURE
STEP 1. Check for transaxle control cable installation
Check the transaxle control cable for installation condition.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Install the transaxle control cable properly. (Refer to
.)
STEP 2. Transaxle control cable operation check
1. Disconnect the connection of the transaxle assembly and
the transaxle control cable.
2. Turn the ignition switch to the ON position and depress the
brake pedal. Check that the transaxle control cable works
when shift lever is moved to P⇔R.
Q: Is the check result normal?
YES : Go to Step 5.
NO : Go to Step 3.
STEP 3. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the transaxle control cable.(Refer to
.) Then, go to Step 4.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 4. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the shift lever assembly. (Refer to
.)
NO : This diagnosis is complete.
STEP 5. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the transaxle assembly. (Refer to
.)
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
DIAGNOSIS <TC-SST>
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TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-350
INSPECTION PROCEDURE 8: Slipping occurs with the D-range/R-range/manual mode, and engine
racing occurs during gear shifting/driving.
.
COMMENTS ON TROUBLE SYMPTOM
Fluid may be insufficient or contaminated. Oil filter
case assembly, mechatronic assembly, clutch
assembly, or transaxle assembly may have a prob-
lem.
.
PROBABLE CAUSES
• Insufficient or contaminated fluid
• Malfunction of the oil filter case assembly
• Malfunction of the mechatronic assembly
• Malfunction of the clutch assembly
• Malfunction of the transaxle assembly
DIAGNOSTIC PROCEDURE
STEP 1. Oil filter case assembly check
(1) Check if the oil filter is replaced according to the cycle
specified in the Maintenance Note.
• Normal condition : 96,000 km (60,000 miles)
• Severe condition : 48,000 km (30,000 miles)
(2) Visually check that no fluid leaks form the oil filter case
assembly and it is installed normally.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Replace the oil filter case assembly. (Refer to
.)
STEP 2. Fluid check
Check for the fluid level and if no foreign material and contami-
nation are found.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Charge or replace the fluid.
STEP 3. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the mechatronic assembly. (Refer to
.) Then go to Step 4.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 4. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the clutch assembly. (Refer to GROUP 22D
−Transaxle
.) Then go to Step 5.
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-351
STEP 5. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the transaxle assembly. (Refer to
.)
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
INSPECTION PROCEDURE 9: The vehicle does not creep with the D-range/R-range/manual mode.
.
COMMENTS ON TROUBLE SYMPTOM
The foot brake or parking brake may be dragging.
Mechatronic assembly, clutch assembly, or transaxle
assembly may have a problem.
NOTE: If the fluid temperature is extremely high, the
creep is controlled slightly for slip control.
.
PROBABLE CAUSES
• Drag of foot brake or parking brake
• Malfunction of the mechatronic assembly
• Malfunction of the clutch assembly
• Malfunction of the transaxle assembly
DIAGNOSTIC PROCEDURE
STEP 1. Inspect the foot brake or parking brake.
Check that the foot brake or parking brake is not dragging.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Adjust the foot brake or parking brake.
STEP 2. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the mechatronic assembly. (Refer to
.) Then go to Step 3.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 3. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the clutch assembly. (Refer to GROUP 22D
−Transaxle
.) Then go to Step 4.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 4. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the transaxle 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-352
INSPECTION PROCEDURE 10: The shock is large when the vehicle is stopped and the brake pedal is
released with the D-range/R-range/manual mode.
.
COMMENTS ON TROUBLE SYMPTOM
The mechatronic assembly, or clutch assembly may
have a problem.
.
PROBABLE CAUSES
• Malfunction of the mechatronic assembly
• Malfunction of the clutch assembly
DIAGNOSTIC PROCEDURE
STEP 1. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the mechatronic assembly. (Refer to
.) Then go to Step 2.
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
STEP 2. Retest the system.
Q: Does a malfunction take place again?
YES : Replace the clutch assembly. (Refer to GROUP 22D
−Transaxle
.)
NO : Intermittent malfunction. (Refer to GROUP 00 − How
to Cope with Intermittent Malfunction
.)
INSPECTION PROCEDURE 11: Poor acceleration
.
COMMENTS ON TROUBLE SYMPTOM
Fluid may be insufficient or contaminated. Engine
system, mechatronic assembly, clutch assembly, or
transaxle assembly may have a problem.
.
PROBABLE CAUSES
• Malfunction of the engine system
• Insufficient or contaminated fluid
• Malfunction of the mechatronic assembly
• Malfunction of the clutch assembly
• Malfunction of the transaxle assembly
DIAGNOSTIC PROCEDURE
STEP 1. Check the engine system
Q: Is the check result normal?
YES : Go to Step 2
NO : Repair the engine system.
STEP 2. Fluid check
Check for the fluid level and if no foreign material and contami-
nation are found.
Q: Is the check result normal?
YES : Go to Step 3.
NO : Charge or replace the fluid.
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