Mitsubishi Montero (2004+). Manual - part 725

 

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Mitsubishi Montero (2004+). Manual - part 725

 

 

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-157

NOTE: Also check junction block connector D-208 and inter-
mediate connector D-25 for loose, corroded or damaged termi-
nals, or terminals pushed back in the connectors. If junction 
block connector D-208 or intermediate connector D-25 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 power window relay 

connector D-219 (terminal 4) and power window main 
switch connector H-05 (terminal 5) in good condition?
YES : 
No action is necessary and testing is complete.
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 the wiring harness as necessary. Verify that 
the power windows function should now work 
normally.

STEP 12. Check ETACS-ECU connector D-222 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Q: Is ETACS-ECU connector D-222 in good condition?

YES : Go to Step 13.
NO :  Repair or replace the connector. Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. Verify 

that the power windows function should now work 
normally.

AC203859 AC

CONNECTOR: D-25

D-25

D-25

AC203850AI

CONNECTOR: D-208

JUNCTION BLOCK 
(FRONT VIEW)

D-208 

JUNCTION BLOCK SIDE

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

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-158

STEP 13. Check the wiring harness between power 
window relay connector D-219 (terminal 1) and 
ETACS-ECU connector D-222 (terminal 8).
Q: Is the wiring harness between power window relay 

connector D-219 (terminal 1) and ETACS-ECU connector 
D-222 (terminal 8) in good condition?
YES : 
Replace the ETACS-ECU. Verify that the power 

windows function should now work normally.

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 the wiring harness as necessary. Verify that 
the power windows function should now work 
normally.

AC203850AB

CONNECTOR: D-219

JUNCTION BLOCK 
(FRONT VIEW)

D-219

1

2

3

4

5

JUNCTION 
BLOCK SIDE

D-219

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

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-159

INSPECTION PROCEDURE D-2: Power Window: The power window timer does not work normally.

NOTE: This troubleshooting procedure requires the 
use of scan tool MB991958 and SWS monitor kit 
MB991862. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor 

P.54B-10

."

.

CIRCUIT OPERATION
The ETACS-ECU activates the power window timer 
function with input signals from the followings:

• Ignition switch (IG1)

• Front door switch

.

TECHNICAL DESCRIPTION (COMMENT)
If the power window timer function does not work 
normally, the circuit inputs, the ETACS-ECU or the 
front-ECU may be defective.

.

TROUBLESHOOTING HINTS

• The front door switches may be defective

• The ETACS-ECU may be defective

• The wiring harness or connectors may have 

loose, corroded or damaged terminals, or termi-
nals pushed back in the connector

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

Power Window Timer Function Circuit 

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-160

STEP 1. Use scan tool MB991958 to select "ECU COMM 
CHK" on the SWS monitor display.
Check the 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. 
(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 "ON" 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 ECU" menu for the "ETACS ECU" menu.

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

"OK" is displayed for all the items : Go to Step 2.
"NG" is displayed on the "ETACS ECU" menu : Refer to 

Inspection Procedure A-3 "Communication with 
ETACS-ECU is not possible 

P.54B-42

."

AC309091

MB991911

MB991827

MB991824 

AB

MB991806

MB991862

DATA LINK
CONNECTOR 
(16-PIN)

DATA LINK
CONNECTOR 
(13-PIN)

 

 

 

 

 

 

 

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