Mitsubishi Lancer Evolution X. Manual - part 595

 

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Mitsubishi Lancer Evolution X. Manual - part 595

 

 

DIAGNOSIS <TC-SST>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-337

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 

P.54C-15

.) After repairing the CAN 

bus line, go to Step 2.

STEP 2. Scan tool service data
Item No. 32: Drive mode switch (Refer to Service Data Refer-
ence Table 

P.22C-359

.)

Q: Is the check result normal?

YES : Intermittent malfunction. (Refer to GROUP 00 − How 

to Cope with Intermittent Malfunction 

P.00-15

.)

NO :  Go to Step 3.

STEP 3. Twin clutch SST control mode switch check
Refer to 

P.22C-434

.

Q: Is the check result normal?

YES : Go to Step 4.
NO :  Replace the twin clutch SST control mode switch. 

(Refer to 

P.22C-434

.)

STEP 4. Twin clutch SST control mode switch connector 
check: C-27-2
Check for the contact with terminals.
Q: Is the check result normal?

YES : Go to Step 5.
NO :  Repair the defective connector.

STEP 5. Retest the system
Q: Does a malfunction take place again?

YES : Go to Step 6
NO :  The inspection is complete.

STEP 6. Trouble symptom recheck after replacing the shift 
lever assembly
(1) Replace the shift lever assembly. (Refer to 

P.22C-404

.)

(2) Verify that the condition described by the customer exists.
Q: Does a malfunction take place again?

YES : Replace the mechatronic assembly. (Refer to 

P.22C-421

.)

NO :  Intermittent malfunction. (Refer to GROUP 00 − How 

to Cope with Intermittent Malfunction 

P.00-15

.)

DIAGNOSIS <TC-SST>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-338

INSPECTION PROCEDURE 3: Speed change with the paddle shift is impossible.

CAUTION

Whenever the ECU is replaced, ensure that the 
CAN bus lines are normal.

.

COMMENTS ON TROUBLE SYMPTOM

The paddle shift switch, or TC-SST-ECU may have a 
problem.

.

CPU

SHIFT LEVER

PADDLE 
SHIFT 
SWITCH

Paddle shift switch system circuit

AC705170AM

Connector: C-27

AC708950

Connector: C-130

CM

C-130 (BR)

AC708953AK

Connector: C-207

DIAGNOSIS <TC-SST>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-339

PROBABLE CAUSES

• Malfunction of the paddle shift switch
• Damaged harness wires and connectors

• Malfunction of the shift lever-ECU
• Malfunction of TC-SST-ECU

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 

P.54C-15

.) After repairing the CAN 

bus line, go to Step 2.

STEP 2. Paddle shift switch check
Refer to 

P.22C-433

.

Q: Is the check result normal?

YES : Go to Step 3.
NO :  Replace the paddle shift assembly. (Refer to 

P.22C-433

.)

STEP 3. Measure the resistance at C-207 paddle shift 
switch connector.
Disconnect the connector, and measure the resistance 
between terminal No.2 and ground at the wiring harness side.

OK: Continuity exists. (2 Ω or less)

Q: Is the check result normal?

YES : Go to Step 6.
NO :  Go to Step 4.

STEP 4. Paddle shift switch connector check: C-207
Check for the contact with terminals.
Q: Is the check result normal?

YES : Go to Step 5.
NO :  Repair the defective connector.

STEP 5. Check the wiring harness between C-207 paddle 
shift switch connector terminal No. 2 and the body ground.
Check the ground line for open circuit.
Q: Is the check result normal?

YES : Go to Step 6.
NO :  Repair the wiring harness.

DIAGNOSIS <TC-SST>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-340

STEP 6. Inspection of the shift lever assembly connector, 
intermediate connector, and paddle shift switch connector: 
C-27, C-130, C-207
Check for the contact with terminals.
Q: Is the check result normal?

YES : Go to Step 7.
NO :  Repair the defective connector.

STEP 7. Check the wiring harness between C-207 paddle 
shift switch connector terminal No. 1 and C-27 shift lever 
assembly connector terminal No. 11, and between C-207 
paddle shift switch connector terminal No. 3 and C-27 shift 
lever assembly connector terminal No. 10.
Check the output line for short or open circuit.
Q: Is the check result normal?

YES : Go to Step 8.
NO :  Repair the wiring harness.

STEP 8. Retest the system
Q: Does a malfunction take place again?

YES : Go to Step 9.
NO :  The inspection is complete.

STEP 9. Trouble symptom recheck after replacing the shift 
lever assembly
(1) Replace the shift lever assembly. (Refer to 

P.22C-404

.)

(2) Verify that the condition described by the customer exists.
Q: Does a malfunction take place again?

YES : Replace the mechatronic assembly. (Refer to 

P.22C-421

.)

NO :  Intermittent malfunction. (Refer to GROUP 00 − How 

to Cope with Intermittent Malfunction 

P.00-15

.)

 

 

 

 

 

 

 

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