Mitsubishi Montero (2004+). Manual - part 710

 

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Mitsubishi Montero (2004+). Manual - part 710

 

 

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-97

DIAGNOSIS

Required Special Tools:

• MB991223: Harness Set

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

• MB991813: SWS Monitor Kit

• MB991806: SWS Monitor Cartridge

• MB991812: SWS Monitor Harness (For Column-ECU)

• MB991822: Probe Harness

STEP 1. Use scan tool MB991958 to select "ECU COMM 
CHK" on the SWS monitor display.
Check the following ETACS-ECU.

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. Also con-
nect SWS monitor kit MB991862 after turning on scan tool 
MB991958.
(1) Connect the special tool. Refer to "How to connect SWS 

monito

P.54B-7

(2) Connect SWS monitor kit MB991862 to the data link 

connector (13-pin).

(3) Turn the ignition switch to the "LOCK" (OFF) position.
(4) Operate scan tool MB991958 according to the procedure 

below to display "ECU COMM CHK."

1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "ECU COMM CHK".

(5) Scan tool MB991958 should show "OK" on the "ECU 

COMM CHK" menu for the "ETACS ECU" menu.

Q: Is "OK" displayed on the "ETACS ECU" menu?

YES : Go to Step 2.
NO :  Refer to Inspection Procedure A-3 "Communication 

with ETACS-ECU is not possibl

P.54B-42

."

AC309091

MB991911

MB991827

MB991824 

AB

MB991806

MB991862

DATA LINK
CONNECTOR 
(16-PIN)

DATA LINK
CONNECTOR 
(13-PIN)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-98

STEP 2. Check the ETACS-ECU connector D-222 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Q: Is the ETACS-ECU connector D-222 in good condition?

YES : Go to Step 3.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

Verify that the central door locking system 

should now works normally.

STEP 3. Check the battery power supply circuit to the 
ETACS-ECU. Test at ETACS-ECU connector D-222.
(1) Disconnect ETACS-ECU connector D-222, and measure at 

the junction block side.

(2) Measure the voltage between terminal 12 and ground.

• The measured value should be approximately 12 volts 

(battery positive voltage).

Q: Is the measured voltage approximately 12 volts (battery 

positive voltage)?
YES : 
Go to Step 5.
NO :  Go to Step 4.

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

ACX01570

19

20

1817 1615 141312 1110 9 8 7

6 5 4 3 2 1

AB

CONNECTOR D-222
(JUNCTION BLOCK SIDE)

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-99

STEP 4. Check the wiring harness between the 
ETACS-ECU connector D-222 (terminal 12) and fusible link 
(2). 

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

ACX02274

FUSIBLE LINK (2)

AF

BATTERY

FUSIBLE LINK

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-100

NOTE: Also check junction block connector D-211 and interme-
diate connector D-28 for loose, corroded, or damaged termi-
nals, or terminals pushed back in the connector. If junction 
block connector D-211 or intermediate connector D-28 is dam-
aged, repair or replace the damaged component(s) as 
described in GROUP 00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between ETACS-ECU connector 

D-222 (terminal 12) and fusible link (2) in good 
condition?
YES : 
No action is necessary and testing is complete.
NO :  The wiring harness may be damaged or the connector 

may have loose, corroded or damaged terminals, or 
terminals pushed back in the connector. Repair the 
wiring harness as necessary. Verify that the central 
door locking system should now works normally.

STEP 5. Check driver's door lock actuator connector H-10 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is driver's door lock actuator connector H-10 in good 

condition?
YES : 
Go to Step 6.
NO :  The wiring harness may be damaged or the 

connector(s) may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair or replace the damaged component(s). Refer 
to GROUP 00E, Harness Connector Inspection 

P.00E-2

Verify that the central door locking system 

should now works normally.

AC203850

CONNECTOR: D-211

AJ

HARNESS SIDE

D-211(B)

JUNCTION BLOCK 
(FRONT VIEW)

AC203859AB

CONNECTOR: D-28

D-28

D-28

AC000235 AE

H-10 (B)

CONNECTOR: H-10

FRONT DOOR <DRIVER'S SIDE>

H-10 (B)

1

2

3

4

5

6

(HARNESS SIDE)

 

 

 

 

 

 

 

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