Mitsubishi Evolution X. Manual - part 1101

 

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Mitsubishi Evolution X. Manual - part 1101

 

 

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-39

STEP 7. Check the wiring harness between joint connector 
(CAN3) C-127 and shift lever connector C-27 for line-to-line 
short. Measure the resistance at joint connector (CAN3) 
C-127.

CAUTION

A digital multimeter should be used. For details refer to 

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to 

P.54C-7

.

(1) Disconnect joint connector (CAN3), and check that there is 

continuity at the harness side of joint connector (CAN3).

(2) Check that there is continuity between joint connector 

(CAN3) terminals 7 and 20.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 8.
NO :  Go to Step 16.

STEP 8. Check the wiring harness between joint connector 
(CAN4) A-14 and ECM connector B-10 <TC-SST> for 
line-to-line short. Measure the resistance at joint 
connector (CAN4) A-14.

CAUTION

A digital multimeter should be used. For details refer to 

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to 

P.54C-7

.

(1) Disconnect joint connector (CAN4), and check that there is 

continuity at the harness side of joint connector (CAN4).

(2) Check that there is continuity between joint connector 

(CAN4) terminals 7 and 20.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 9.
NO :  Go to Step 15.

AC709707

Harness side: C-127

AL

TEST 
HARNESS

TEST 
HARNESS

AC709707

Harness side: A-14

AM

TEST 
HARNESS

TEST 
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-40

STEP 9. Check the wiring harness between joint connector 
(CAN4) A-14 and transaxle assembly connector B-107 for 
line-to-line short. Measure the resistance at joint 
connector (CAN4) A-14.

CAUTION

A digital multimeter should be used. For details refer to 

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to 

P.54C-7

.

(1) Disconnect joint connector (CAN4), and check that there is 

continuity at the harness side of joint connector (CAN4).

(2) Check that there is continuity between joint connector 

(CAN4) terminals 6 and 19.

OK: No continuity

Q: Is the check result normal?

YES : Go to Step 10.
NO :  Go to Step 17.

STEP 10. Check the wiring harness between joint 
connector (CAN3) C-127 and joint connector (CAN2) C-104 
for line-to-line short. Measure the resistance at joint 
connector (CAN3) C-127.

CAUTION

A digital multimeter should be used. For details refer to 

P.54C-7

.

CAUTION

The test wiring harness should be used. For details refer to 

P.54C-7

.

Disconnect joint connector (CAN3) and Disconnect joint con-
nector (CAN2), and check that there is continuity at the harness 
side of joint connector (CAN3).
(1) Check that there is continuity between joint connector 

(CAN3) terminals 5 and 16.

OK: No continuity

Q: Is the check result normal?

YES : Check intermediate connector A-13, and repair if 

necessary. If the intermediate connector is in good 
condition, repair the wiring harness between joint 
connector (CAN3) C-127 and joint connector (CAN4) 
A-14.

NO :  Check intermediate connector C-131, and repair if 

necessary. If the intermediate connector is in good 
condition, repair the wiring harness between joint 
connector (CAN2) C-104 and joint connector (CAN3) 
C-127.

AC709707

Harness side: A-14

AN

TEST 
HARNESS

TEST 
HARNESS

AC709707

Harness side: C-127

AO

TEST 
HARNESS

TEST 
HARNESS

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-41

STEP 11. Using scan tool MB991958, diagnose the CAN 
bus line. (checking the steering wheel sensor for internal 
short)

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-7

.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Disconnect steering wheel sensor connector C-209.
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-42

(4) Diagnose CAN bus lines, and check if the scan tool 

MB991958 screen is as shown in the figure.

OK: The display of the scan tool MB991958 is as 
shown in the figure.

Q: Does scan tool MB991958 screen correspond to the 

illustration?
YES : 
Repair the wiring harness between steering wheel 

sensor connector C-209 and joint connector (CAN2) 
C-104.

NO :  Check steering wheel sensor connector C-209, and 

repair if necessary. If the steering wheel sensor 
connector is in good condition, replace the steering 
wheel sensor.

STEP 12. Using scan tool MB991958, diagnose the CAN 
bus line. (checking the S-AWC-ECU for internal short)

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-7

.

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Disconnect S-AWC-ECU connector C-46.

AC709542 AC

: Red section on screen

M.U.T.

J/C (3)

J/C (2)

KOS/WCM

SRS

A/C

AUDIO

MMCS

Sat Radio

HFM

OCM

METER

ASC

ENGINE

J/C (1)

ETACS

<M/T>

SAS

S-AWC

AC709543 AC

: Red section on screen

M.U.T.

J/C (3)

J/C (2)

KOS/WCM

SRS

A/C

AUDIO

MMCS

Sat Radio

HFM

OCM

METER

ASC

LEVER

J/C (1)

ETACS

<TC-SST>

SAS

S-AWC

J/C (4)

TC-SST

ENGINE

 

 

 

 

 

 

 

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