Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 499

54B-32
Inspection Procedure J-9
No power window main switch signal input to ETACS-
ECU.
The power window main switch input signal is generated to check the individual
switch position of the power window main switch, and the communication status
for ETACS-ECU. Any communication line abnormality stops the following
functions operating normally.
D Power windows
Can the power windows operate off the power window main
switch?
Measure at the power window main switch E-07.
D Disconnect the connector and test on the harness side.
D Ignition switch: ON
(1) Voltage between terminal 6 and the body earth.
OK : System voltage
(2) Continuity between terminal 9 and the body earth.
OK : Continuity confirmed.
Replace power window main switch.
SWS -
NO
OK
Troubleshooting
Probable cause
D Power window main switch fault
D ETACS-ECU fault
D Harness or connector fault
YES
Check the following connectors:
<L.H.drive vehicles> E-07, C-24, C-102, C-228
<R.H.drive vehicles> E-07, C-110, C-102, C-228
OK
Check the trouble
symptoms.
NG
Check the harness between the power window main switch
and ETACS-ECU.
OK
Replace power window
main switch.
Check the trouble
symptoms.
(1) NG
Check the following connectors:
<L.H.drive vehicles> E-07, C-24, C-228
<R.H.drive vehicles> E-07, C-110, C-210, C-228
OK
(2) NG
Check the trouble
symptoms.
NG
Check the harness between the power window main switch
and the power window relay, and repair if necessary.
Check the following connectors:
<L.H.drive vehicles>E-07, C-24
<R.H.drive vehicles> E-07, C-110
OK
Check the trouble
symptoms.
NG
Check the harness between the power window main switch
and the body earth, and repair if necessary.
NG
Repair
NG
Repair
NG
Replace ETACS-ECU.
NG
Repair
NG
Repair