Mitsubishi Outlander GS45X. Manual — part 1304

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-161

STEP 26. Using scan tool MB991958, diagnose the CAN
bus line. (checking the occupant classification-ECU for
internal failure)

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 occupant classification-ECU connector D-34-2.
(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 D-34, and

repair if necessary. If the intermediate connector is in
good condition, repair the wiring harness between
joint connector (CAN1) C-103 and occupant
classification-ECU connector D-34-2.

NO : Check occupant classification-ECU connector D-34-2,

and repair if necessary. If the occupant
classification-ECU connector is in good condition,
replace the occupant classification-ECU.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AD

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-162

STEP 27. Using scan tool MB991958, diagnose the CAN
bus line. (checking the A/C-ECU for internal failure)

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 A/C-ECU connector C-109.
(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 joint connector

(CAN1) C-103 and A/C-ECU connector C-109.

NO : Check A/C-ECU connector C-109, and repair if

necessary. If the A/C-ECU connector is in good
condition, replace the A/C-ECU.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AD

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-163

STEP 28. Using scan tool MB991958, diagnose the CAN
bus line. (checking the radio and CD player or radio and
CD changer for internal failure)

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 radio and CD player or radio and CD changer

connector C-16.

(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 joint connector

(CAN1) C-103 and radio and CD player or radio and
CD changer connector C-16.

NO : Check radio and CD player or radio and CD changer

connector C-16, and repair if necessary. If the radio
and CD player or radio and CD changer connector is
in good condition, replace the radio and CD player or
radio and CD changer.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AD

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-164

STEP 29. Using scan tool MB991958, diagnose the CAN
bus line. (checking the CAN box unit for internal failure)

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 CAN box unit connector C-13.
(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 connector C-17, and repair if

necessary. If the intermediate connector is in good
condition, repair the wiring harness between joint
connector (CAN1) C-103 and CAN box unit connector
C-13.

NO : Check CAN box unit connector C-13, and repair if

necessary. If the CAN box unit connector is in good
condition, replace the CAN box unit.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AD

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER