Mitsubishi Outlander GS45X. Manual — part 1316

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-209

STEP 43. Check the wiring harness between joint
connector (CAN1) C-103 and ETACS-ECU connector C-301
for open circuit.

CAUTION

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

P.54C-7

.

(1) Disconnect joint connector (CAN1) C-103 and ETACS-ECU

connector C-301, and check the wiring harness.

(2) Check the wiring harness between joint connector (CAN1)

C-103 (terminal No.6) and ETACS-ECU connector C-301
(terminal No.6)

OK: Continuity exists (2 ohms or less)

(3) Check the wiring harness between joint connector (CAN1)

C-103 (terminal No.19) and ETACS-ECU connector C-301
(terminal No.7)

OK: Continuity exists (2 ohms or less)

Q: Is the wiring harness between joint connector (CAN1)

C-103 and ETACS-ECU connector C-301 in good
condition?
YES : Go to Step 53.
NO : Repair the wiring harness between joint connector

(CAN1) C-103 and ETACS-ECU connector C-301.

AC709707 MQ

Harness side: C-103

Harness side: C-301

Test
harness

Test
harness

AC709707 MR

Harness side: C-103

Harness side: C-301

Test
harness

Test
harness

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-210

STEP 44. Using scan tool MB991958, diagnose the CAN
bus line. (checking the combination meter 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 combination meter connector C-03.
(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 combination meter connector
C-03.

NO : Check combination meter connector C-03, and repair

if necessary. If the combination meter connector is in
good condition, replace the combination meter.

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-211

STEP 45. Using scan tool MB991958, diagnose the CAN
bus line. (checking the KOS-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 KOS-ECU connector C-102.
(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 KOS-ECU connector C-102.

NO : Check KOS-ECU connector C-102, and repair if

necessary. If the KOS-ECU connector is in good
condition, replace the KOS-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-212

STEP 46. Using scan tool MB991958, diagnose the CAN
bus line. (checking the WCM 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 WCM connector C-29.
(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 WCM connector C-29.

NO : Check WCM connector C-29, and repair if necessary.

If the WCM connector is in good condition, replace
the WCM.

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