Page 1377 of 1449

SWS -Troubleshooting54B-13
Inspection Procedure D-2
Driver’s power window not responding to power window
main switch.
Probable cause
Either the power window main switch or the driver’s side power window motor
assembly may be defective. The power window lock switch could be ON.DPower window main switch fault
DDriver’s side power window motor assembly fault
DHarness or connector fault
NG
Replace power window main switch.
OK
Replace driver’s side power window motor assembly.
NG
Check the harness between the driver’s power window motor
assembly and the body earth, and repair if necessary.
NG
Repair
OK
Check the trouble
symptoms.
(2) NG
Check the following connectors:
E-05, C-24
E-20, C-110
NG
Repair
NG
Check the harness between the driver’s power window motor
assembly and the body earth, and repair if necessary.
NG
Repair
OK
Check the trouble
symptoms.
NG
Check the harness between the driver’s power window motor
assembly and the main switch, and repair if necessary.NG
Repair
OK
Check the trouble
symptoms.
OK
Check the following connectors:
E-05, E-07
E-07, E-25
OK
Measure at the driver’s power window motor assembly
connector E-05 or E-20
vehicles>.
DDisconnect the connector and test on the harness side.
DIgnition switch ON
(1) Voltage between terminal 3 and body earth
OK :System voltage
(2) Continuity between terminal 1 and body earth
OK :Continuity confirmed.(1) NGCheck the following connectors:
E-05, C-24, C-210, C-224
E-20, C-116, C-210, C-224
Check the MUT-II input signals.
DPower window main switchNGCheck the power window main switch input circuit system
(Refer to P.54B-32, Inspection Procedure J-9).
Check the trouble symptoms.
Page 1378 of 1449

SWS -Troubleshooting54B-14
Inspection Procedure D-3
Windows not responding to passenger or rear power
window switches.
Probable cause
Either the power window sub-switches or the passenger’s or rear power window
motor assembly may be defective.DPower window sub-switch fault
DPassenger’s or rear power window motor assembly
fault
DHarness or connector fault
NG
Repair
NG
Check the harness between the power window sub-switches
and the body earth, and repair if necessary.
NG
Repair
NG
Check the harness between the power window motor
assembly and the power window relay, and repair if
necessary.NG
Repair
NG
Check the harness between the power window motor
assembly and the body earth, and repair if necessary.
NG
Repair
OK
Replace power window
motor assembly.
NG
Repair
NG
Check the harness between the power window motor
assembly and the power window sub-switches.
OK
Check the trouble
symptoms.
OK
Check the trouble
symptoms.
(2) NG
Check the following connectors:
E-05, C-24 (L.H.drive vehicles)
E-20, C-110 (R.H.drive vehicles)
E-10, D-12
E-25, D-02
OK
Check the trouble
symptoms.
OK
Check the trouble
symptoms.
OK
Check the following connectors:
E-05, E-19
E-10, E-11
E-22, E-24
OK
Measure at the power window motor assembly connectors
E-05, E-10 and E-22.
DDisconnect the connector and test on the harness side.
DIgnition switch ON
(1) Voltage between terminal 3 and body earth
OK :System voltage
(2) Continuity between terminal 1 and body earth
OK :Continuity confirmed.(1) NGCheck the following connectors:
E-05, C-24, C-210, C-224 (L.H.drive vehicles)
E-20, C-110, C-210, C-224 (R.H.drive vehicles)
E-10, D-12, C-134, C-210, C-224
E-22, D-02, C-112, C-210, C-224
OK
Measure at the power window sub-switch connectors E-19,
E-24 and E-11
DDisconnect the connector and test on the harness side.
DContinuity between terminal 2 and body earth.
OK :Continuity confirmed.NGCheck the following connectors:
E-19, C-24 (R.H. drive vehicles),
C-110 (L.H. drive vehicles)
E-11, D-12
E-24, D-02
Check power window sub switch (Refer to GROUP 42 -
Door.)NG
Replace
YESTurn the power window lock switch OFF.
NO
Do the power windows respond to the sub-switches?
Page 1379 of 1449

SWS -Troubleshooting54B-15
Inspection Procedure D-4
Passenger or rear power windows not responding to
power window main switch.
Probable cause
Either the power window main switch or the passenger’s or rear power window
motor assembly may be defective.DPower window main switch fault
DPassenger’s or rear power window motor assembly
fault
DHarness or connector fault
NG
Replace power window main switch.
OK
Replace power window motor assembly.Check the trouble symptoms.
NGCheck the harness between the power window motor
assembly and the power window main switch.NG
Repair
OK
Check the trouble symptoms.
YES
Check the following connectors:
E-20, C-24, C-110, E-07 (L.H. drive vehicles)
E-05, C-24, C-110, E-07 (R.H. drive vehicles)
E-10, D-12, C-133, C-24, E-07 (L.H. drive vehicles)
E-10, D-12, C-133, C-110, E-07 (R.H. drive vehicles)
E-25, D-02, C-112, C-24, E-07 (L.H. drive vehicles)
E-25, D-02, C-112, C-110, E-07 (R.H. drive vehicles)NG
Repair
OK
Do the power windows respond to the sub-switches?NORefer to P.54B-14, Inspection Procedure D-3.
Check the MUT-II input signals.
DPower window main switchNGCheck the power window main switch input circuit system
(Refer to P.54B-32, Inspection Procedure J-9).
Inspection Procedure D-5
Power window timer function not working normally.
Probable cause
The ETACS-ECU controls the headlamp automatic cut-off function based on input
signals from the following switches.
DIgnition switch (IG1)
DDriver’s door switch
If the power window timer function does not operate normally, one of the above
input circuit systems, the power window main switch, or the ETACS-ECU may
be defective.DDriver’s door switch fault
DPower window main switch fault
DETACS-ECU fault
DHarness or connector fault
NG
Replace power window main switch.
OK
Replace ETACS-ECU.Check the trouble symptoms.
Check the MUT-II input signals.
DIgnition switch (IG1)
DDriver’s door switch
DPower window main switchNGCheck the defective input circuit. (Refer to P.54B-8, Defects
Found by Input Signal Check).
Do all of the following functions operate when the ignition
switch is in the LOCK (OFF) position?
DCentral locking
DHazard lampsNOCheck ETACS-ECU battery power circuit system (Refer to
P.54B-33, Inspection Procedure K-1).
YES
Page 1380 of 1449
SWS -Troubleshooting54B-16
Inspection Procedure D-6
While the window is winding up, it suddenly starts coming
down again.
Probable cause
If the sliding resistance is too great when the window is being raised or if the
glass encounters an object, the window will return about 150 mm.DThe window glass is not properly adjusted.
DThe glass slider is incorrectly installed or warped.
DPower window motor assembly fault
DWindow regulator assembly fault
NG
Replace window regulator assembly.
OK
Replace power window motor assembly.
Check the trouble symptoms.
Check the power window operating current (Refer to GROUP
42 - Doors).NGAdjust window glass (Refer to GROUP 42 - Doors).
Inspection Procedure D-7
The power window safety mechanism is not working.
Probable cause
The revolution detection sensor in the power window motor assembly is
defective.DPower window motor assembly fault
Replace power window motor assembly.
Page 1381 of 1449

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
Page 1382 of 1449

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
Page 1383 of 1449

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.
Page 1384 of 1449

SWS -Troubleshooting54B-20
Inspection Procedure F-1
Except for lighting switch “OFF” the headlamps only
respond to the “low-beam” position.
Probable cause
If the headlamps only go onto low-beam regardless of the switch position, the
headlamp fail - safe function is probably activated.DColumn switch fault
Dfront-ECU fault
DHarness or connector fault
NO
Replace front-ECU.
MUT-II diagnosis code
When the ignition switch is in the LOCK (OFF) position, is the
diagnosis code output?YESDiagnosis Code Chart (Refer to P.54B-3).
Inspection Procedure F-2
The tail lamps do not work.
Probable cause
If none of the tail lamps light up, either the tail lamp switch input circuit system
or the front-ECU may be defective.DColumn switch fault
Dfront-ECU fault
DHarness or connector fault
NG
Repair
NG
Check the harness between the front - ECU and the battery,
and repair if necessary.
OK
Replace front-ECU.
OK
Check the trouble
symptoms.
OK
Measure at the front - ECU connector A-10X.
DDisconnect the connector and test on the relay box side.
DVoltage between terminal 5 and the body earth.
OK :System voltageNGCheck the following connector:A-10X
NO
Check the MUT-II input signals.
DTail lamp switchNGCheck the tail lamp switch input circuit system (Refer to
P.54B-31, Inspection Procedure J-7).
MUT-II diagnosis code
When the ignition switch is in the LOCK (OFF) position, is the
diagnosis code output?YESDiagnosis Code Chart (Refer to P.54B-3).
NOTE
If only one of the tail lamps fails to light up, check the bulb and the harness between the front-ECU
and the lamp, and between the lamp and body earth.