Mitsubishi Outlander GS45X. Manual — part 1273
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-37
STEP 3. Check the wiring harness between joint connector
(CAN2) C-04 and AWD-ECU connector C-128 for line-to-line
short. Measure the resistance at joint connector (CAN2)
C-04.
(1) Disconnect joint connector (CAN2), and check that there is
continuity at the harness side of joint connector (CAN2).
(2) Check that there is continuity between joint connector
(CAN2) terminals 5 and 16.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 5.
NO : Go to Step 10.
STEP 4. Check the wiring harness between joint connector
(CAN2) C-04 and AWC-ECU connector C-139 for line-to-line
short. Measure the resistance at joint connector (CAN2)
C-04.
(1) Disconnect joint connector (CAN2), and check that there is
continuity at the harness side of joint connector (CAN2).
(2) Check that there is continuity between joint connector
(CAN2) terminals 5 and 16.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 5.
NO : Go to Step 11.
STEP 5. Check the wiring harness between joint connector
(CAN3) C-01 and ECM connector B-11 for line-to-line short.
Measure the resistance at joint connector (CAN3) C-01.
(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 4 and 15.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 6.
NO : Go to Step 12.
AC703868AC
Test harness
Test harness
Harness side: C-04
AC703868AC
Test harness
Test harness
Harness side: C-04
AC703868AD
Test harness
Harness side: C-01
Test harness
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-38
STEP 6. Check the wiring harness between joint connector
(CAN3) C-01 and ABS-ECU connector A-01 <vehicles
without ASC> or ASC-ECU connector A-02 <vehicles with
ASC> for line-to-line short. Measure the resistance at joint
connector (CAN3) C-01.
(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 6 and 19.
OK: No continuity
Q: Is the check result normal?
YES <CVT, A/T> : Go to Step 7.
YES <M/T> : Go to Step 8.
NO : Go to Step 13.
STEP 7. Check the wiring harness between joint connector
(CAN3) C-01 and TCM connector C-38 for line-to-line short.
Measure the resistance at joint connector (CAN3) C-01.
(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 14.
STEP 8. Check the wiring harness between joint connector
(CAN2) C-04 and ETACS-ECU connector C-301 for
line-to-line short. Measure the resistance at joint
connector (CAN2) C-04.
(1) Disconnect joint connector (CAN2), and check that there is
continuity at the harness side of joint connector (CAN2).
(2) Check that there is continuity between joint connector
(CAN2) terminals 6 and 19.
OK: No continuity
Q: Is the check result normal?
YES : Check intermediate connector C-33, and repair if
necessary. If the intermediate connector is in good
condition, repair the wiring harness between joint
connector (CAN2) C-04 and joint connector (CAN3)
C-01.
NO : Go to Step 15.
AC703868 AE
Test
harness
Test
harness
Harness side: C-01
AC703868 AF
Test
harness
Test
harness
Harness side: C-01
AC703868AG
Test
harness
Test
harness
Harness side: C-04
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-39
STEP 9. 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
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.
(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-04.
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.
ZC501967
AC404789
AC702802
MB991824
MB991827
MB991910
Data link
connector
AB
ACA02847AC
: Red section on screen
M.U.T.
F.A.S.T.
/WCM
SRS
OCM
A/C
AUDIO
MMCS
Sat Radio
METER
JC
ETACS
JC
JC
SAS
AWC
ABS/ASC
AT/CVT
ENGINE
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-40
STEP 10. Using scan tool MB991958, diagnose the CAN
bus line. (checking the AWD-ECU for internal short)
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 AWD-ECU connector C-128.
(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 : Check intermediate connectors C-31 and C-138, and
repair if necessary. If the intermediate connector is in
good condition, repair the wiring harness between
AWD-ECU connector C-128 and joint connector
(CAN2) C-04.
NO : Check AWD-ECU connector C-128, and repair if
necessary. If the AWD-ECU connector is in good
condition, replace the AWD-ECU.
ZC501967
AC404789
AC702802
MB991824
MB991827
MB991910
Data link
connector
AB
ACA02847AC
: Red section on screen
M.U.T.
F.A.S.T.
/WCM
SRS
OCM
A/C
AUDIO
MMCS
Sat Radio
METER
JC
ETACS
JC
JC
SAS
AWC
ABS/ASC
AT/CVT
ENGINE
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