Mitsubishi Evolution X. Manual — part 1113
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-87
(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 shift lever
connector C-27 and joint connector (CAN3) C-127.
NO : Check shift lever connector C-27, and repair if
necessary. If the shift lever connector is in good
condition, replace the shift lever.
STEP 16. Using scan tool MB991958, diagnose the CAN
bus line. (checking the TC-SST-ECU for internal short to
ground)
CAUTION
Strictly observe the specified wiring harness repair proce-
dure. For details refer to
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 transaxle assembly connector B-107.
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
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-88
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.
(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 transaxle
assembly connector B-107 and joint connector
(CAN4) A-14.
NO : Check transaxle assembly connector B-107, and
repair if necessary. If the transaxle assembly
connector is in good condition, replace the transaxle
assembly.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB
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
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-89
DIAGNOSTIC ITEM 6: Diagnose when the scan tool cannot receive the data sent by S-AWC-ECU.
CAUTION
When servicing a CAN bus line, ground yourself by touching a metal object such as an unpainted
water pipe. If you fail to do so, a component connected to the CAN bus line may be damaged.
CAN-C Communication Circuit <M/T>
ETACS-ECU
INTERFACE
CIRCUIT
CAN DRIVE
CIRCUIT
JOINT CONNECTOR
(CAN2)
JOINT CONNECTOR
(CAN3)
ASC-ECU
STEERING
WHEEL SENSOR
S-AWC-ECU
ENGINE
CONTROL
MODULE
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-90
TRANSAXLE
ASSEMBLY
ENGINE
CONTROL
MODULE
CAN-C Communication Circuit <TC-SST>
ETACS-ECU
INTERFACE
CIRCUIT
CAN DRIVE
CIRCUIT
JOINT CONNECTOR
(CAN2)
JOINT CONNECTOR
(CAN3)
JOINT CONNECTOR
(CAN4)
SHIFT LEVER
ASC-ECU
STEERING
WHEEL SENSOR
S-AWC-ECU
NOTE
: THE TERMINAL NUMBERS DESCRIBED
IN THE CIRCUIT DIAGRAM AGREE WITH
THE NUMBERS MAKED ON THE
TRANSAXLE ASSEMBLY CONNECTOR AND
HARNESS SIDE CONNECTOR.
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