2007 MITSUBISHI LANCER EVOLUTION wiper

SWS -Troubleshooting54B-3
INPUT SIGNAL CHECK
1. Check the inputs using MUT-II or a voltmeter. (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection Service Points.)
2. The following input signals can be checked using MUT-II or a voltmeter connected to the diagnosis
connector.
NOTE
When fault is detected during input signal inspection, refer to Trouble Symptom Chart to perform
troubleshooting. (Refer to P.54B-7).
Input Signal Check Function
Input signalBuzzer operation condition
Ignition switch (ACC)When ignition switch turned from “LOCK” (OFF)
to ACC.
Ignition switch (IG1)When ignition switch turned from “ACC” to “ON”.
Hazard warning lamp switchWhen switch turned from OFF to ON.
Rear fog lamp switch
Driver’s door switchWhen driver’s door opened from closed
All door switchesWhen any door opened when all doors were
closed.
Driver’s door lock actuatorWhen the driver’s side key cylinder or inside lock
knob is moved from the locked to unlocked
position or vice versa.
Vehicle speed signalVehicle speed changes from less than 10 km/h to
10 km/h or more.
Column switchesTail lamp switchWhen lighting switch turned from automatic
lighting to tail lamp position.
Headlamp switchWhen lighting switch turned from tail lamp to
headlamp position.
Dimmer switchWhen switch turned from OFF to ON.
Passing switch
Left-hand turn signal lamp switch
Right-hand turn signal lamp switch
Windshield mist wiper switch
Windshield wiper intermittent timing switch
Windshield wiper LO speed switch
Windshield wiper HI speed switch
Windshield washer switchWhen switch turned from OFF to ON.
Power window
main switchAll switchesWhen switch turned from OFF to ON.
DIAGNOSIS CODE CHART
Code No.Diagnosis itemReference page
11ETACS-ECU-related failure54B-4
12Column switch-related failure or fault in connecting to ETACS-ECU54B-4
13Front-ECU-related failure or fault in connecting to ETACS-ECU54B-5
21Short circuit in communication lines54B-6

SWS -Troubleshooting54B-7
TROUBLE SYMPTOM CHART
Trouble symptomInspection
procedureReference
page
No communication with MUT-IIA-154B-10
BuzzersLights left ON reminder warning function not working normally.B-154B-10
Central lockingCentral door locking system not working at all.C-154B-11g
Some doors not locking or unlocking.C-254B-11
Power windowPower windows not working at all.D-154B-12
Power windows are not operated with the power window main
switch.
Driver’s power window not responding to power window main
switch.D-254B-13
Windows not responding to passenger or rear power window
switches.D-354B-14
Passenger or rear power windows not responding to power window
main switch.D-454B-15
Power window timer function not working normally.D-554B-15
While the window is winding up, it suddenly starts coming down
again.D-654B-16
Safety mechanism (to prevent jamming of fingers, etc.) not
working.D-754B-16
Windshield wipers
dh
The windshield wipers do not work at all.E-154B-17p
and washerThe windshield wipers only operate at LO speed (though the wipers
and washer can be switched OFF).E-254B-17
The windshield wipers do not respond to any switch position.E-354B-18
The windshield wipers do not stop in the normal predetermined
position.E-454B-18
The windshield washer does not work at all.E-554B-19
Windshield wipers are not operated with the switch in INT,
WASHER and MIST positions, and operated in a low mode with the
switch in Lo and Hi positions.E-654B-19
Headlamps, tail lampsExcept for lighting switch“OFF,” the headlamps only respond to the
“low-beam” position.
F-154B-20
The tail lamps do not work.F-254B-20
The headlamps (low-beam) do not light.F-354B-21
The headlamps (high-beam) do not light.F-454B-21
The headlamps (low or high-beam) do not work when the passing
switch is ON.F-554B-22
The headlamp automatic cut-off function is not working normally.F-654B-22
Rear fog lampRear fog lamp is not properly illuminated.G-154B-23
Flasher timerThe turn signal lamps do not light.H-154B-24
The hazard warning lamps do not light up.H-254B-24
Room lampsThe room lamps do not come ON or OFF normally.I-154B-25

SWS -TroubleshootingSWS -Troubleshooting54B-8
DEFECTS FOUND BY INPUT SIGNAL CHECK
When a fault is identified in an input signal check, use the following table to investigate the fault.
Trouble symptomInspection
procedureReference
page
No ignition switch (ACC) signal input to ETACS-ECU.J-154B-26
No ignition switch (IG1) signal input to ETACS-ECU.J-254B-26
No hazard warning lamp switch signal input to ETACS-ECU.J-354B-27
No rear fog lamp switch signal input to ETACS-ECU.J-454B-28
No driver’s door switch signal input to ETACS-ECU.J-554B-29
No door switch signals input to ETACS-ECU.
No driver’s door lock actuator signal input to ETACS-ECU.J-654B-30
Column switchesNo tail lamp switch signal input to ETACS-ECU.J-754B-31
No headlamp switch signal input to ETACS-ECU.
No dimmer switch signal input to ETACS-ECU.
No passing switch signal input to ETACS-ECU.
No turn signal lamp left-hand switch signal input to
ETACS-ECU.
No turn signal lamp right-hand switch signal input to
ETACS-ECU.
Column switchesNo windshield mist wiper switch signal input to ETACS-ECU.J-854B-31
No windshield wiper intermittent switch signal input to
ETACS-ECU.
No windshield low-speed wiper switch signal input to
ETACS-ECU.
No windshield high-speed wiper switch signal input to
ETACS-ECU.
No windshield washer switch signal input to ETACS-ECU.
Power window main switchNo power window main switch signal input to ETACS-ECU.J-954B-32
When the ignition switch is in the LOCK (OFF) position, no functions work normally.K-154B-33
ETACS-ECU battery power supply circuit control check.
NOTE
A diagnosis code is output for front-ECU and column switch battery power supply circuit control abnormalities.
Apply the diagnosis code inspection procedures to address these abnormalities.

SWS -Troubleshooting54B-9
Input Signal Inspection Procedure Nos. by Function
When more than one SWS function fails at the same time, run checks based on the following table.
(The table lists only input signals and functions in which multiple faults can occur.)
FunctionJ-1J-2J-3J-5J-6J-7J-8
Driver’s doorAll doors
Central locking
controlF
Power window controlF
Power window timerFF
Windshield wiper
and washer controlFF
Rear wiper and
washer controlFF
Headlamp controlF
Rear fog lamp controlF
Tail lamp controlF
Headlamp automatic
turn-offFFF
Turn signal lamp
controlFF
Hazard warning lamp
controlF
Room lamp controlFFF

SWS -Troubleshooting54B-17
Inspection Procedure E-1
The windshield wipers do not work at all.
Probable cause
Either the windshield wiper motor, the column switch, or the front-ECU may be
defective.DWindshield wiper motor fault
DColumn switch fault
Dfront-ECU fault
DHarness or connector fault
OK
Replace front-ECU.
NO
NG
Replace
MUT-II diagnosis code
Is an ETACS-ECU diagnosis code output?YESPerform the inspection procedure for the diagnosis code
(Refer to P.54B-3).
NG
Repair
NG
Check the harness between the windshield wiper motor and
the body earth, and repair if necessary.
OK
Check the trouble
symptoms.
NG
Repair
NG
Check the harness between the front-ECU and the ignition
switch (IG2), and repair if necessary.
OK
Check the trouble
symptoms.
OK
Measure at the front-ECU connector A-11X
DDisconnect the connector and test on the harness side.
DIgnition switch ON
DContinuity between terminal 30 and body earth.
OK :System voltageNGCheck the following connectors:A-11X, C-135, C-102,
C-209, C-210
OK
Measure at the windshield wiper motor connector B-01.
DDisconnect the connector and test on the harness side.
DContinuity between terminal 5 and body earth.
OK :Continuity confirmed.NGCheck the following connector:B-01
Check the windshield wiper motor (Refer to GROUP 51 -
Windshield Wipers and Washer).
Inspection Procedure E-2
The windshield wipers only operate at LO speed (though
the wipers and washer can be switched OFF).
Probable cause
If the windshield wipers only operate at LO speed regardless of the switch
position, the windshield wiper fail-safe function is probably activated. Or the
ETACS-ECU ignition switch (ACC) signal may be controlling the wiper operation.DColumn switch fault
Dfront-ECU fault
DHarness or connector fault
OK
Replace front-ECU.
MUT-II diagnosis code
Is an ETACS-ECU diagnosis code output?YESPerform the inspection procedure for the diagnosis code
(Refer to P.54B-3).
Check the MUT-II input signals.
DIgnition switch (ACC)NGCheck the ignition switch (ACC) input circuit system (Refer to
P.54B-26, Inspection Procedure J-1). NO

SWS -Troubleshooting54B-18
Inspection Procedure E-3
The windshield wipers do not respond to any switch
position.
Probable cause
Either the windshield wiper motor, the column switch, or the front-ECU may be
defective.DWindshield wiper motor fault
DColumn switch fault
Dfront-ECU fault
DHarness or connector fault
OK
Replace front-ECU.
NG
Check the harness between the front-ECU and the windshield
wiper motor. NG
Repair
OK
Check the trouble symptoms.
OK
Check the following connectors:
A-11X, A-13, B-01
A-11X, C-136, B-01NG
Repair
OK
Check the windshield wiper motor (Refer to GROUP 51 -
Windshield Wipers and Washer).NG
Replace
Check the MUT-II input signals.
DWindshield mist wiper switch
DWindshield wiper intermittent switch
DWindshield wiper LO speed switch
DWindshield wiper HI speed switch
DWindshield washer switchNGCheck the defective input circuit. (Refer to P.54B-8, Defects
Found by Input Signal Check).
Inspection Procedure E-4
The windshield wipers do not stop in the normal
predetermined position.
Probable cause
Either the windshield wiper motor or the front-ECU may be defective.DWindshield wiper motor fault
Dfront-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between the windshield wiper motor and
ignition switch (ACC), and repair if necessary.
NG
Repair
OK
Replace front-ECU.
NG
Check the harness between the front-ECU and the windshield
wiper motor.NG
Repair
OK
Check the trouble
symptoms.
OK
OK
Check the trouble
symptoms.
OK
Measure at the windshield wiper motor connector B-01.
DDisconnect the connector and test on the harness side.
DIgnition switch ACC
DContinuity between terminal 4 and body earth.
OK :System voltageNGCheck the following connectors:B-01, C-129, C-209, C-210
Check the windshield wiper motor (Refer to GROUP 51 -
Windshield Wipers and Washer).NG
Replace
Check the following connectors:
A-11X, C-34, B-01
A-11X, C-136, B-01

SWS -Troubleshooting54B-19
Inspection Procedure E-5
The windshield washer does not work at all.
Probable cause
Either the windshield washer switch input circuit system, the windshield washer
motor, or the front-ECU may be defective.DWindshield washer motor fault
DColumn switch fault
Dfront-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between the windshield washer motor and
body earth, and repair if necessary.NG
Repair
OK
Replace front-ECU.
NG
Check the harness between the windshield washer motor and
the front-ECU.NG
Repair
OK
Check the trouble
symptoms.
OK
Check the following connectors:F-21, C-112, C-125, A-11X
OK
Check the trouble
symptoms.
OK
Measure at the windshield washer motor connector F-21.
DDisconnect the connector and test on the harness side.
DContinuity between terminal 1 and body earth
OK :Continuity confirmed.NGCheck the following connector:F-21
OK
Check the windshield washer motor (Refer to GROUP 51 -
Windshield Wipers and Washer).NG
Replace
YES
Check the MUT-II input signals.
DWindshield washer switchNGCheck the windshield washer switch input circuit system
(Refer to P.54B-31, Inspection Procedure J-8).
Is the windshield wiper operating normally?NOCheck windshield wipers (Refer to P.54B-7, Trouble Symptom
Chart).
Inspection Procedure E-6
Windshield wipers are not operated with the switch in INT,
WASHER and MIST positions, and operated in a low mode
with the switch in Lo and Hi positions.
Probable cause
Fail-safe function may be operated due to the fault on SWS communication line.
Fail-safe function is activated with the ignition switch in ACC position when the
ignition switch ACC signal is not input due to the open circuit, etc.DColumn switch fault
Dfront-ECU fault
DETACS-ECU fault
DHarness or connector fault
NG
Replace front-ECU.
Check the trouble symptoms.
Check the ignition switch (ACC) input circuit system (Refer to
P.54B-26, Inspection Procedure J-1)NOCheck the MUT-II input signals.
DIgnition switch (ACC)
YES
NG
Replace column switch.
Check the trouble symptoms.
NG
Replace ETACS-ECU.Check the trouble symptoms.

SWS -Troubleshooting54B-26
Inspection Procedure J-1
No ignition switch (ACC) signal input to ETACS-ECU.
Probable cause
As the ignition switch (ACC) input signal is used to control the operation of the
following functions, any abnormality in this signal prevents these functions
operating normally.
DWindshield wiper and washerDETACS-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between the ETACS-ECU and the ignition
switch (ACC), and repair if necessary.
OK
Replace ETACS-ECU.
OK
Check the trouble
symptoms.
Measure at ETACS-ECU connector C-226.
DDisconnect the connector and test on the junction box
side.
DIgnition switch: ACC
DVoltage between terminal 18 and body earth.
OK :System voltageNGCheck the following connectors:C-226, C-210
Inspection Procedure J-2
No ignition switch (IG1) signal input to ETACS-ECU.
Probable cause
As the ignition switch (IG1) input signal is used to control the operation of the
following functions, any abnormality in this signal prevents these functions
operating normally.
DLights left ON reminder warning function
DPower window timer function
DHeadlamp automatic cut-off function
DTurn signal lamps
DRoom lampsDETACS-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between ETACS-ECU and the ignition
switch (IG1), and repair if necessary.
OK
Replace ETACS-ECU.
OK
Check the trouble
symptoms.
Measure at ETACS-ECU connector C-226.
DDisconnect the connector and test on the junction box
side.
DIgnition switch: ON
DVoltage between terminal 8 and body earth.
OK :System voltageNGCheck the following connectors:C-226, C-210