Mitsubishi Montero (2002-2004). Manual — part 302
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
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STEP 6. Check the wiring harness between windshield
wiper motor connector B-12 (terminal 3) and front-ECU
connector A-08X (terminal 23).
NOTE: Also check intermediate connector A-05 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the
connector. If junction block connector A-05 is damaged, repair
or replace the damaged component(s) as described in GROUP
00E, Harness Connector Inspection
Q: Is the wiring harness between windshield wiper motor
connector B-12 (terminal 3) and front-ECU connector A-
08X (terminal 23) in good condition?
YES : Replace the front-ECU. The windshield wiper should
stop at the predetermined park position.
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. The
windshield wiper should now stop at the
predetermined park position.
AC205138
CONNECTOR: A-08X
AC
BATTERY
FRONT-ECU
A-08X
A-08X
AC205116 AC
CONNECTOR: B-12
B-12 (B)
B-12 (B)
AC205142AC
CONNECTOR: A-05
A-05(B)
A-05(B)
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
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INSPECTION PROCEDURE G-5: Windshield Wiper and Washer: Windshield intermittent wiper interval
can not be adjusted by means of windshield intermittent wiper interval adjusting knob.
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
.
TECHNICAL DESCRIPTION (COMMENT)
If the windshield intermittent wiper interval is not
changed by operating the windshield intermittent
wiper interval adjusting knob or according to the
vehicle speed, the column switch, the ETACS-ECU
or the front-ECU may be defective.
.
TROUBLESHOOTING HINTS
• The column switch (windshield wiper and washer
switch) may be defective
• The ETACS-ECU may be defective
• The front-ECU may be defective
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
Windshield Intermittent Wiper Interval Adjusting Knob Input Signal
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. Check the input signal by using "FUNCTION
DIAG." menu of the SWS monitor.
Set each switch to the following condition to check input signals
from the windshield intermittent wiper interval adjusting knob:
• Ignition switch: ACC
• Windshield wiper switch: INT
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. Connect
the DLC harness before connecting the column-ECU har-
ness. Be sure to connect SWS monitor kit MB991862 after
turning on 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) Operate scan tool MB991502 according to the procedure
below to display "F.WIPER INT."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "FUNCTION DIAG."
5. Select "WIPER."
6. Select "F.WIPER INT."
(4) Check that normal conditions are displayed on the items
described in the table below.
NOTE: Also check that the windshield wiper interval
changes smoothly when the windshield intermittent wiper
interval adjusting knob is rotated from "SLOW" to "FAST"
positions.
Q: Does the value change within the normal range when
the windshield intermittent wiper interval adjusting
knob is rotated?
YES : Replace the front-ECU. Check that the windshield
intermittent wiper interval changes according to the
vehicle speed or while the windshield intermittent
wiper interval adjusting knob is rotated.
NO : Refer to Inspection Procedure O-7 "ETACS-ECU
does not receive a signal from the windshield mist
wiper switch
ITEM NO. ITEM NAME
NORMAL CONDITION
ITEM 37
INT WIPER TIME 2.4
− 18.0 s
AC204222AB
16-pin
13-pin
MB991502
MB991862
SYMPTOM PROCEDURES
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SWS SYMPTOM PROCEDURES
54Bb-258
INSPECTION PROCEDURE G-6: Windshield Wiper and Washer: The windshield washer does not work.
NOTE: This troubleshooting procedure requires use of scan tool MB991502 and SWS monitor kit MB991862. For details on how to
use the SWS monitor, refer to "How to use SWS monitor
Windshield Washer Motor Circuit
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