Mitsubishi Lancer Evolution X. Manual - part 606

 

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Mitsubishi Lancer Evolution X. Manual - part 606

 

 

DIAGNOSIS <SHIFT LEVER>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-381

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 actuator test
Item No.2: Back-up light (Refer to Special Function (Actuator 
Test Reference Table 

P.22C-393

.)

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. Scan tool diagnostic trouble code
Check the ETACS diagnostic trouble code. (Refer to GROUP 
54A − Troubleshootin

P.54A-646

.)

Q: Is the DTC set?

YES : Perform the relevant troubleshooting.
NO :  Go to Step 4.

STEP 4. Bulb check
Check if the bulb of the back-up light which does not illuminate 
is normal.
Q: Is the check result normal?

YES : Go to Step 5.
NO :  Replace the bulb which does not illuminate.

STEP 5. Measure the resistance at F-08 back-up light (RH) 
connector and F-22 back-up light (LH) connector. 
Disconnect the connector of the light which does not illuminate, 
and measure the resistance between the connector 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 8.
NO :  Go to Step 6.

STEP 6. Inspection of the back-up light (RH) connector, 
back-up light (LH) connector, and intermediate connector: 
F-08, F-22, F-27
Check for the contact with the connector terminals of the light 
which does not illuminate.
Q: Is the check result normal?

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

DIAGNOSIS <SHIFT LEVER>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-382

STEP 7. Check the wiring harness between F-08 back-up 
light (RH) connector terminal No. 2 and body ground, and 
between F-22 back-up light (RH) connector terminal No. 2 
and body ground.
Check the ground harness of the light which does not illuminate 
for open circuit.
Q: Is the check result normal?

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

to Cope with Intermittent Malfunction 

P.00-15

.)

NO :  Repair the wiring harness.

STEP 8. Measure the voltage at F-08 back-up light (RH) 
connector and F-22 back-up light (LH) connector.
(1) Disconnect the connector of the light which does not 

illuminate, and measure the voltage between the connector 
terminal No. 3 and ground at the wiring harness side.

(2) Turn the ignition switch to the "ON" position.
(3) Place the shift lever to the R range.

OK: Battery positive voltage

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 9.

STEP 9. Inspection of J/C (4), intermediate connector, shift 
lever assembly connector, ETACS-ECU connector, and 
back-up light connector: C-43, C-47, C-27, C-304, C-311, 
C-313, D-17, F-08, F-22, F-27
Check for the contact with the connector terminals of the light 
which does not illuminate.
Q: Is the check result normal?

YES : Go to Step 10.
NO :  Repair the defective connector.

STEP 10. Check the wiring harness between F-08 back-up 
light (RH) connector terminal No. 3 and C-313 ETACS-ECU 
connector terminal No. 4, and between F-22 back-up light 
(RH) connector terminal No. 3 and C-313 ETACS-ECU 
connector terminal No. 4.
Check the power supply line of the light which does not illumi-
nate for open or short circuit.
Q: Is the check result normal?

YES : Go to Step 11.
NO :  Repair the wiring harness.

DIAGNOSIS <SHIFT LEVER>

TSB Revision

TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-383

STEP 11. Retest the system.
Q: Does a malfunction take place again?

YES : Replace the shift lever assembly. (Refer to 

P.22C-404

.)

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

to Cope with Intermittent Malfunction 

P.00-15

.)

INSPECTION PROCEDURE 4: The driving mode cannot be changed.

.

TWIN CLUTCH SPORT SHIFT 
TRANSAXLE CONTROL MODE SWITCH 
CIRCUIT

Refer to 

P.22C-336

.

CAUTION

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

.

COMMENTS ON TROUBLE SYMPTOM

The twin clutch SST control mode switch, or shift 
lever-ECU may have a problem.

.

PROBABLE CAUSES

• Malfunction of the twin clutch SST control mode 

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. Scan tool service data
Item No. 30: Drive mode switch (Refer to Service Data Refer-
ence Table 

P.22C-391

.)

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.

DIAGNOSIS <SHIFT LEVER>

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TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)

22C-384

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. 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

.)

INSPECTION PROCEDURE 5: Speed change with the paddle shift is impossible.

.

PADDLE SHIFT SWITCH SYSTEM 
CIRCUIT

Refer to 

P.22C-338

.

CAUTION

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

.

COMMENTS ON TROUBLE SYMPTOM

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

.

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

 

 

 

 

 

 

 

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