Mitsubishi Montero (2004+). Manual — part 751
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-261
STEP 7. Check the wiring harness between windshield
washer motor connector A-33 (terminal 1) and ground.
Q: Is the wiring harness between windshield washer motor
connector A-33 (terminal 1) and ground 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 windshield washer works normally.
STEP 8. Check front-ECU connector A-08X for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is front-ECU connector A-08X in good condition?
YES : Go to Step 9.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Verify that the windshield washer works
normally.
AC205145AE
CONNECTOR: A-33
HARNESS SIDE
AC204183
CONNECTOR : A-08X
AC
22
23
21
26 25
27
28
31 30 29
24
RELAY BOX SIDE
A-08X
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-262
STEP 9. Check the wiring harness between windshield
washer motor connector A-33 (terminal 1) and front-ECU
connector A-08X (terminal 21).
Q: Is the wiring harness between windshield washer motor
connector A-33 (terminal 1) and front-ECU connector
A-08X (terminal 21) 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 windshield washer works normally.
REAR WIPER AND WASHER
GENERAL DESCRIPTION CONCERNING THE REAR WIPER AND WASHER
M1549021600072
The following ECUs affect the functions and control
of the rear wiper and washer.
Rear wiper and washer control function
.
Rear wiper control
If the rear wiper switch of the column switch assem-
bly is turned ON with the ignition switch in the ACC
or ON position, the ETACS-ECU will turn the rear
wiper drive signal ON for 3 seconds (approximately 2
operations), and then will carry out intermittent oper-
ation in a 7.4 to 8 seconds cycle.
If the selector lever is moved to the "R" position when
the rear wiper switch of the column switch assembly
is turned ON and the ignition switch is in any position
other than OFF, the transmission range switch "R"
position switch turns ON. One second later, the
ETACS-ECU turns the rear wiper drive signal ON for
3 seconds (approximately 2 operations), to clear the
rear view, and then returns to intermittent operation
at a 7.4 to 8 seconds cycle.
AC204183
CONNECTOR : A-08X
AC
22
23
21
26 25
27
28
31 30 29
24
RELAY BOX SIDE
A-08X
AC205145AE
CONNECTOR: A-33
HARNESS SIDE
FUNCTION
CONTROL ECU
Rear wiper control
ETACS-ECU, column switch
Rear washer control
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-263
.
Rear washer control
When the ignition switch is at the ACC or ON posi-
tion, if the rear washer switch of the column switch is
turned ON, the ETACS-ECU turns ON the rear
washer relay. The rear wiper drive signal is turned
ON in 0.3 second until 3 seconds after the rear
washer switch goes OFF to operate the rear wiper
continuously.
If the rear wiper is in intermittent operation when the
rear washer switch is turned ON, 7.4 seconds after
the rear wiper drive signal turns OFF, the 8 seconds
cycle intermittent operation will continue.
General circuit diagram for the rear wiper and washer
AC101553
T3
T3
T4
T4
T4
T4
T4
AE
T1
T1
T2
T2
T2
t
ON
ON
ON
OFF
OFF
OFF
REAR WIPER SWITCH
PARK/NEUTRAL POSITION SWITCH
"R" POSITION SWITCH
REAR WIPER DRIVE SIGNAL
t: 1 second
T1: 7.4 seconds
T2: 8 seconds
T3: 3 seconds
T4: 0.6 second
AC101554
T4
T4
AD
T1
T1
T2
T3
t
ON
ON
ON
OFF
OFF
OFF
REAR WASHER SWITCH
REAR WASHER RELAY
REAR WIPER DRIVE SIGNAL
t: 0.3 second
T1: 3 seconds
T2: 7.4 seconds
T3: 8 seconds
T4: 0.6 second
T1
t
t
WIPER SWITCH IN
OFF POSITION
WIPER SWITCH IN INTERMITTENT
OPERATION POSITION
SYMPTOM PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-264
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