SWS ± Troubleshooting
54B-46
Inspection Procedure N-16
Power window main switch: Any switch signal is not sent
to the ETACS-ECU.
Probable cause
If there is a problem with communication between the power window main
switch and the ETACS-ECU, the input signal check for the power window main
switch can no longer be carried out. In addition, the power window timer function
will also stop working.
D Malfunction of power window main switch
D Malfunction of ETACS-ECU
D Malfunction of harness wire or connector
Can the driver's side power window be operated by the power
window main switch?
Yes
Check the following connectors:
<L.H. drive vehicles> C-02, C-45, C-83, E-10
<R.H. drive vehicles> C-02, C-21, C-83, E-10
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between power window main switch and
ETACS-ECU.
OK
Replace the power window main switch or ETACS-ECU.
No
Measure at power window main switch connector E-10.
D Disconnect connector and measure at harness side.
D Turn the ignition switch to ON position.
(1) Voltage between terminal 1 and body earth.
OK: System voltage
(2) Continuity between terminal 5 and body earth.
OK: Continuity
(1) NG
Check the following connectors:
<L.H. drive vehicles> C-45, C-71, C-74, E-10
<R.H. drive vehicles> C-21, C-71, C-74, E-10
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between power window main switch and
power window relay.
OK
Replace the power window main switch.
(2) NG
Check the following connectors:
<L.H. drive vehicles> C-45, E-10
<R.H. drive vehicles> C-21, E-10
OK
Check trouble symptoms.
NG
Repair
NG
Check the harness wire between power window main switch and
body earth.
Inspection Procedure N-17
Transmitter: Any switch signal is not sent to the
ETACS-ECU.
Probable cause
The transmitter input signal is used to operate the keyless entry system. If the
signal fails, keyless entry will not work normally.
D Malfunction of transmitter
D Malfunction of ETACS-ECU
Has the encrypted code been registered properly?
No
Re-register the encrypted code. (Refer to GROUP 42 ± Keyless
Entry System.)
Yes
Check the transmitter battery. (Refer to GROUP 42 ± Keyless Entry
System.)
NG
Replace
OK
Use an other transmitter to register the secret code. (Refer to
GROUP 42 ± Keyless Entry System.)
NG
Replace the ETACS-ECU.
OK
Replace the defective transmitter.
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