SWS -Troubleshooting54B-13
TROUBLE SYMPTOM CHART
Trouble symptomInspection
procedureReference
page
Communication with the MUT-IIis impossible.A-154B-17
BuzzerLight reminder warning buzzer function does not work
normally.B-154B-17
Center display operation annunciation function does not work
normally.B-254B-18
Central door lock-Central door locking system does not work normally.C-154B-18
ing system
Some doors does not lock or unlock.C-254B-19
Some functions of central locking system do not work.C-354B-19
Forgotten key prevention function does not work.C-454B-20
Power windowPower window does not work at all.D-154B-20
Power window main switch can not operate driver’s window.D-254B-21
Power window sub switch can not operate front passenger’s or
rear window.D-354B-22
Power window main switch can not operate front passenger’s
or rear window.D-454B-23
Power window timer function does not work normally.D-554B-23
When the glass is raised, it then lowers automatically.D-654B-24
The glass is not lowered when something is jammed in the
window.D-754B-24
When the glass is fully raised, it then lowers automatically.D-854B-24
Keyless entry sys-Keyless entry system does not operate.E-154B-24
tem
The room lamp and hazard warning lamps do not operate
through the answerback function.E-254B-25
The encrypted code cannot be registered.E-354B-25
SunroofSunroof does not work at all.F-154B-26
Sunroof timer function does not work normally.F-254B-27
Safety mechanism does not function.F-354B-27
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -Troubleshooting54B-16
Trouble symptomInspection
procedureReference
page
Column switchTail lamp switch signal is not sent to the ETACS-ECU.P-1354B-49
Headlamp switch signal is not sent to the ETACS-ECU.
Dimmer switch signal is not sent to the ETACS-ECU.
Passing switch signal is not sent to the ETACS-ECU.
Turn-signal lamp switch signal is not sent to the ETACS-ECU.
Windshield mist wiper switch signal is not sent to the
ETACS-ECU.P-1454B-50
Windshield intermittent wiper switch signal is not sent to the
ETACS-ECU.
Windshield low-speed wiper switch signal is not sent to the
ETACS-ECU.
Windshield high-speed wiper switch signal is not sent to the
ETACS-ECU.
Windshield intermittent wiper interval adjusting knob signal is
not sent to the ETACS-ECU.P-1554B-50
Windshield washer switch signal is not sent to the
ETACS-ECU.P-1454B-50
Rear wiper switch signal is not sent to the ETACS-ECU.
Rear washer switch signal is not sent to the ETACS-ECU.
Headlamp washer switch signal is not sent to the ETACS-ECU.P-1354B-49
Power window
main switchAny switch signal is not sent to the ETACS-ECU.P-1654B-51
TransmitterAny switch signal is not sent to the ETACS-ECU.P-1754B-52
Sunroof switchAny switch signal is not sent to the ETACS-ECU.P-1854B-52
Center displayAny switch signal is not sent to the ETACS-ECU.P-1954B-53
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -Troubleshooting54B-20
Inspection Procedure C-4
Central door locking system: Forgotten key prevention
function does not work.Probable cause
The ETACS-ECU operates the forgotten key prevention function, based on the
input signals from the following switches:
DKey reminder switch
DDriver’s door switch
DDriver’s door lock actuator switch
If the function does not work normally, a defect on the relevant circuit or the
ETACS-ECU may be suspected.DMalfunction of key reminder switch
DMalfunction of driver’s door switch
DMalfunction of driver’s door lock actuator
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
NGCheck the defective input circuit. (Refer to P.54B-15, Defects Found
by Input Signal Check.)
OK
Replace the ETACS-ECU.
MUT-
IIinput signal check
DKey reminder switch
DDriver’s door switch
DDriver’s door lock actuator switch
Inspection Procedure D-1
Power window: Power window do not work at all.Probable cause
The power window relay or the ETACS-ECU may be defective.DMalfunction of power window relay
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
OK
NG
NG
Repair
NG
Check the harness wire between power window relay and fusible
link (4).OK
NG
Repair
OK
Replace the ETACS-ECU.
NG
Check the harness wire between power window relay and power
window mainswitch, power window relay and ETACS-ECU.NG
Repair
OK
Check trouble symptoms.
Check the following connectors:
D-221, D-208, D-25, H-05, D-224
Check the power window relay. (Refer to GROUP 42 – Door.)NG
Replace
OK
Check trouble symptoms.
Measure at power window relay connector D-221.
DDisconnect connector and measure at J/B side.
DVoltage between terminal 5 and body earth.
OK:System voltage
DVoltage between terminal 3 and body earth.
OK:System voltageCheck the following connectors:
D-221 D-223, D-27
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -Troubleshooting54B-21
Inspection Procedure D-2
Power window: Power window main switch can not
operate driver’s window.Probable cause
The cause is probably a malfunction of the power windowmainswitch or
driver’s side power window motor, or an abnormality in the power supply circuit.DMalfunction of power windowmainswitch
DMalfunction of driver’s power window motor
DMalfunction of harness wire or connector
NG
Repair
NG
Check the harness wire between driver’s power window motor
and power window relay.
NG
Repair
NG
Check the harness wire between driver’s power window motor
and body earth.
NG
OK
Check trouble symptoms. NG
Repair
OK
Replace the driver’s pow-
er window motor or power
window mainswitch.
NG
Repair
NG
Check the harness wire between driver’s power window motor
and power windowmainswitch.
OK
Check trouble symptoms.
OK
Check the following connectors:
H-04
(2) NG
Check the following connectors:
H-04
OK
Check trouble symptoms.
OK
Measure at driver’s power window motor connector H-04
DDisconnect connector and measure at harness side.
DTurn the ignition switch to ON position.
(1) Voltage between terminal 3 and body earth.
OK:System voltage
(2) Continuity between terminal 1 and body earth.
OK:Continuity(1) NGCheck the following connectors:
H-04
D-208, D-221
MUT-
IIinput signal check
DPower windowmainswitchCheck the power windowmainswitch input circuit. (P.54B-51, In-
spection Procedure P-16.)
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -Troubleshooting54B-22
Inspection Procedure D-3
Power window: Power window sub switch can not operate
front passenger’s or rear window.Probable cause
The cause is probably a malfunction of the power window sub switch or front
passenger’s or rear power window motor, or an abnormality in the power supply
circuit.DMalfunction of power window sub switch
DMalfunction of front passenger’s or rear power
window motor
DMalfunction of harness wire or connector
NG
Repair
OK
NG
Check the harness wire between power window sub switch and
body earth.
NG
Repair
NG
Repair
NG
Repair
NG
Check the harness wire between power window motor and body
earth.
NG
Check the harness wire between power window motor and power
window relay.
OK
Replace the power win-
dow motor.
NG
Repair
NG
Check the harness wire between power window sub switch and
passenger’s power window motor.
OK
Check trouble symptoms.
Check the following connectors:
Front L.H. door: H-04, H-26
Front R.H. door: H-16, H-15
Rear L.H. door: H-10, H-02
Rear R.H. door: H-23, H-19
OK
Check trouble symptom
(2) NG
Check the following connectors:
Front L.H. door: H-04, D-15
Front R.H. door: H-16, D-15
Rear L.H. door: H-10, F-18
Rear R.H. door: H-23, F-04
OK
Check trouble symptom
NG
(1) NG
Check the following connectors:
Front L.H. door: H-04, D-15, D-208, D-221
Front R.H. door: H-16, D-15, D-208, D-221
Rear L.H. door: H-10, F-18, D-26, D-208, D-221
Rear R.H. door: H-23, F-04, D-124, D-208, D-221Measure at power window motor connector H-04
H-16
DDisconnect connector and measure at harness side.
DTurn the ignition switch to ON position.
(1) Voltage between terminal 3 and body earth.
OK:System voltage
(2) Continuity between terminal 1 and body earth.
OK:Continuity
OK
Check trouble symptoms.
OK
Measure at power window sub switch connector H-26
DDisconnect connector and measure at harness side.
DContinuity between terminal 4 and body earth.
OK:ContinuityNGCheck the following connectors:
Front L.H. door: H-26, D-15
Front R.H. door: H-15, D-15
Rear L.H. door: H-02, F-18
Rear R.H. door: H-19, F-04
Check the power window sub switch. (Refer to GROUP 42 - Door.)NG
Replace
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -Troubleshooting54B-23
Inspection Procedure D-4
Power window: Power window main switch can not
operate front passenger’s or rear window.Probable cause
The cause is probably a malfunction of the power windowmainswitch or front
passenger’s or rear power window motor, or an abnormality in the power supply
circuit.DMalfunction of power windowmainswitch
DMalfunction of front passenger’s or rear power
window motor
DMalfunction of harness wire or connector
NG
Replace the power windowmainswitch.
OK
Replace the power window motor.Check trouble symptoms.
NG
Check the harness wire between power windowmainswitch and
power window motor.NG
Repair
OK
Check trouble symptoms.
Ye s
NG
Check the power windowmainswitch input circuit. (P.54B-51, In-
spection Procedure P-16.)
OK
Check the following connectors:
Front L.H. door: H-05, D-25, D-31, D-15, H-04
Front R.H. door: H-05, D-25, D-31, D-15, H-16
Rear L.H. door: H-05, D-25, D-31, D-26, F-18, H-10
Rear R.H. door: H-05, D-25, D-31, D-124 F-04, H-23NG
Repair
MUT-
IIinput signal check
DPower windowmainswitch
Can the passenger’s side power window be operated by the
power window sub switch?NoCheck the power window sub switch circuit. (Refer to P.54B-22,
Inspection Procedure D-3.)
Inspection Procedure D-5
Power window: Power window timer function does not
work normally.Probable cause
The ETACS-ECU operates the power window timer function, based on the input
signals from the following switches:
DIgnition switch (IG1)
DDriver’s door switch
If the function does not work normally, a defect on the relevant circuit, power
window mainswitch or the ETACS-ECU may be suspected.DMalfunction of driver’s door switch
DMalfunction of power windowmainswitch
DMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
OK
NoNGCheck the defective input circuit. (Refer to P.54B-15, Defects Found
by input Signal Check.)
NG
Replace the power windowmainswitch.
Check trouble symptoms.Replace the ETACS-ECU.
MUT-
IIinput signal check
DIgnition switch (IG1)
DDriver’s door switch
DPower windowmainswitch
Is a diagnosis code output when the ignition switch is at the
OFF (LOCK) position?Ye sCarry out troubleshooting while referring to the Diagnosis Code
Chart on P.54B-9.
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -TroubleshootingSWS -Troubleshooting54B-24
Inspection Procedure D-6
Power window: When the glass is raised, it then lowers
automatically.Probable cause
If the sliding resistance is too large when the glass isbeing raised, it is judged
that something is jammed in the window, and the window is lowered by
approximately 150 mm.DIncorrect window glass adjustment
DGlass slider is incorrectly installed or warped
DMalfunction of power window motor
OK
Replace the power window motor.NG
Replace the window regulator assembly.
Check trouble symptoms.
Check the power window operating currant. (Refer to GROUP
42 – Door.)NGAdjust the window glass. (Refer to GROUP 42 – Door.)
Inspection Procedure D-7
Power window: The glass is jammed in the window.Probable cause
The cause may be a malfunction of the revolution detection sensor in the power
window motor.DMalfunction of power window motor
Replace the power window motor.
Inspection Procedure D-8
Power window: When the glass is fully raised, it then
lowers automatically.Probable cause
The cause may be a malfunction of the revolution detection sensor in the power
window motor.DMalfunction of power window motor
NG
Replace the power window motor.
Check trouble symptoms.
After disconnecting the battery terminals, set the limit switch.
(Refer to GROUP 42 - Door.)
Inspection Procedure E-1
Keyless entry system: Keyless entry system does not
operate.Probable cause
The ETACS-ECU operates the keyless entry system, based on the input signals
from the following switches:
DKey reminder switch
DDoor switches
DDriver’s door lock actuator switch
DTransmitter
If the function does not work normally, a defect on the relevant circuit or the
ETACS-ECU may be suspected.DMalfunction of key reminder switch
DMalfunction of door switches
DMalfunction of driver’s door lock actuator switch
DMalfunction of transmitter
DMalfunction of ETACS-ECU
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk
SWS -Troubleshooting54B-42
Inspection Procedure P-1
Ignition switch (ACC) signal is not sent to the ETACS-ECU.Probable cause
The ignition switch (ACC) input signal is used to operate the following devices. If
the signal fails, these devices will not work normally.
DWindshield wiper and washer
DRear wiper and washer
DHeadlamp washerDMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
NG
NG
Repair
NG
Check the harness wire between ETACS-ECU and ignition switch
(ACC).
OK
Check trouble symptoms.OK
Replace the ETACS-ECU.
Check the following connectors:
D-224, D-208Measure at ETACS-ECU connector D-224.
DDisconnect connector and measure at J/B side.
DTurn the ignition switch to ACC position.
DVoltage between terminal 2 and body earth.
OK:System voltage
Inspection Procedure P-2
Ignition switch (IG1) signal is not sent to the ETACS-ECU.Probable cause
The ignition switch (IG1) input signal is used to operate the following devices. If
the signal fails, these devices will not work normally.
DLight reminder warning buzzer function
DPower window timer function
DSunroof timer function
DIgnition key hole illumination lamp
DHeadlamp automatic shutdown function
DTurn-signal lamp
DRoom lamp dimming functionDMalfunction of ETACS-ECU
DMalfunction of harness wire or connector
NG
NG
Repair
NG
Check the harness wire between ETACS-ECU and ignition switch
(IG1).
OK
Check trouble symptoms.OK
Replace the ETACS-ECU.
Check the following connectors:
D-224, D-208Measure at ETACS-ECU connector D-224.
DDisconnect connector and measure at J/B side.
DTurn the ignition switch to ON position.
DVoltage between terminal 16 and body earth.
OK:System voltage
www.WorkshopManuals.co.uk
Purchased from www.WorkshopManuals.co.uk