Mitsubishi Montero (2002-2004). Manual — part 275
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-147
STEP 13. Check power window relay connector D-219 and
ETACS-ECU connector D-222 for damage.
Q: Are power window relay connector D-219 and ETACS-
ECU connector D-222 in good condition?
YES : Go to Step 14.
NO : Repair or replace the connector. Refer to GROUP
00E, Harness Connector Inspection
. Verify
that the power windows function should now work
normally.
STEP 14. 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.
AC203850AC
CONNECTOR: D-219
JUNCTION BLOCK
(FRONT VIEW)
D-219
4
5
1 2 3
D-219
AC203853
CONNECTOR: D-222
AB
JUNCTION BLOCK (REAR VIEW)
D-222
AC203850AC
CONNECTOR: D-219
JUNCTION BLOCK
(FRONT VIEW)
D-219
4
5
1 2 3
D-219
AC203853
CONNECTOR: D-222
AC
JUNCTION BLOCK (REAR VIEW)
D-222
(HARNESS SIDE)
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-148
INSPECTION PROCEDURE D-2: Power Window: The power window timer does not work normally.
NOTE: This troubleshooting procedure requires the
use of scan tool MB991502 and SWS monitor kit
MB991862. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor
.
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
Power Window Timer Function Circuit
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
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DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
• MB991502: Scan Tool (MUT-II)
• MB991862: SWS Monitor Kit
STEP 1. Use scan tool MB991502 to select "ECU COMM
CHK" on the SWS monitor display.
Check the ETACS-ECU.
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector
(16-pin).
(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 MB991502 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 MB991502 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
."
AC200084AB
DATA LINK
CONNECTOR
(13-pin)
DATA LINK
CONNECTOR
(16-pin)
MB991502
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-150
STEP 2. Check the input signal by using "DATA LIST"
menu of the SWS monitor.
(1) Check the input signals from the following switches:
• Ignition switch: ON to OFF
• Driver’s and front passenger’s doors: closed
(2) Operate scan tool MB991502 according to the procedure
below to display "ETACS ECU."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "DATA LIST."
5. Select "ETACS ECU."
(3) Check that normal conditions are displayed on the items
described in the table below.
Q: Does the scan tool display the items "IG SW (IG1)" and
"FRONT DOOR SW" as normal condition?
YES : Replace the ETACS-ECU. Verify that the power
window timer should now works normally.
NO :
• The scan tool does not show the respective
normal condition for item "IG SW (IG1)." Refer to
Inspection Procedure O-2 "ETACS-ECU does not
receive a signal from the ignition switch (IG1)
• The scan tool does not show the respective
normal condition for item "FRONT DOOR SW."
Refer to Inspection Procedure O-5 "ETACS-ECU
does not receive any signal from the driver’s or
front passenger’s door switch
."
ITEM NO.
ITEM NAME
NORMAL
CONDITION
ITEM 30
IG SW (IG1)
OFF
ITEM 32
FRONT DOOR
SW
OFF
AC200084AB
DATA LINK
CONNECTOR
(13-pin)
DATA LINK
CONNECTOR
(16-pin)
MB991502
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