Mitsubishi Lancer Evolution 7. Manual — part 396
SWS -
Troubleshooting
54B-29
Inspection Procedure J-5
No driver’s door switch signal input to ETACS-ECU.
Probable cause
No door switch signals input to ETACS-ECU.
Driver’s door switch
As the driver’s door switch input signal is used to control the operation of the
following functions, any abnormality in this signal prevents these functions
operating normally.
D
Lights left ON reminder warning function
D
Power window timer function
D
Headlamp automatic cut-off function
D
Room lamps
Door switches
As the door switch input signals are used to control the operation of the
following functions, any abnormality in these signals prevents the functions
operating normally.
D
Room lamps
D
Door switch fault
D
ETACS-ECU fault
D
Harness or connector fault
OK
Replace ETACS-ECU.
NG
Check the harness between the door switches and
ETACS-ECU.
NG
Repair
OK
Check the trouble symptoms.
OK
Check the following connectors:
<Front left side door> D-13, C-133, C-213, C-226
<Front righ side door> D-01, C-217, C-226
<Rear left door> D-08, C-133, C-213, C-226
<Rear right door> D-06, C-217, C-226
NG
Repair
OK
Check the connection of the door switches to the body.
NG
Repair
Check door switches (Refer to GROUP 42 - Doors).
NG
Replace
SWS -
Troubleshooting
54B-30
Inspection Procedure J-6
No driver’s door lock actuator signal input to ETACS-ECU. Probable cause
As the driver’s door lock actuator input signal is used to control the operation of
the following functions, any abnormality in this signal prevents these functions
operating normally.
D
Central locking
D
Driver’s door lock actuator fault
D
ETACS-ECU fault
D
Harness or connector fault
NG
Repair
NG
Check the harness between the driver’s door lock actuator
and earth.
NG
Repair
OK
Replace ETACS-ECU.
NG
Check the harness between the driver’s door lock actuator
and the ETACS-ECU.
NG
Repair
OK
Check the trouble
symptoms.
OK
Check the following connectors:
<L.H. drive vehicles> E-08, C-24, C-227
<R.H. drive vehicles> E-18, C-110, C-227
OK
Check the trouble
symptoms.
OK
Measure at the driver’s door lock actuator connector
D
Disconnect the connector and test on the harness side.
<L.H. drive vehicles>E-08
D
Continuity between terminal 1 and body earth.
OK : Continuity confirmed.
<R.H. drive vehicles>E-18
D
Continuity between terminal 3 and body earth.
OK : Continuity confirmed.
NG
Check the following connectors:
<L.H. drive vehicles> E-08, C-24
<R.H. drive vehicles> E-18, C-110
Check driver’s door lock actuator (Refer to GROUP 42 -
Doors).
NG
Replace
SWS -
Troubleshooting
54B-31
Inspection Procedure J-7
Column switches:
D
No tail lamp switch signal input to ETACS-ECU.
D
No headlamp switch signal input to ETACS-ECU.
D
No dimmer switch signal input to ETACS-ECU.
D
No passing switch signal input to ETACS-ECU.
D
No turn signal lamp left-hand switch signal input to
ETACS-ECU.
D
No turn signal lamp right-hand switch signal input to
ETACS-ECU.
Probable cause
As the (lighting) column switch input signals control the operation of the following
functions, any abnormality in the signals prevents these functions operating
normally.
D
Lights left ON reminder warning function
D
Headlamps, tail lamps
D
Turn signal lamps
D
Column switch fault
D
ETACS-ECU fault
D
Harness or connector fault
NG
Replace ETACS-ECU.
NO
Replace column switch.
Check the trouble symptoms.
OK
MUT-II diagnosis code
When the ignition switch is in the LOCK (OFF) position, is the
diagnosis code output?
YES
Diagnosis Code Chart (Refer to P.54B-3).
Check the (lighting) column switches (Refer to GROUP 54A).
NG
Replace
Inspection Procedure J-8
Column switches:
D
No windshield mist wiper switch signal input to
ETACS-ECU.
D
No windshield wiper intermittent switch signal
input to ETACS-ECU.
D
No windshield low-speed wiper switch signal input
to ETACS-ECU.
D
No windshield high-speed wiper switch input to
ETACS-ECU.
D
No windshield washer switch signal input to
ETACS-ECU.
Probable cause
As the column switch (wiper/washer switch) input signal is used to
control the following functions, any failure prevents these functions from
operating properly.
D
Windshield wiper and washer
D
Column switch fault
D
ETACS-ECU fault
D
Harness or connector fault
NG
Replace ETACS-ECU.
NO
Replace column switch.
Check the trouble symptoms.
MUT-II diagnosis code
When the ignition switch is in the LOCK (OFF) position, is the
diagnosis code output?
YES
Diagnosis Code Chart (Refer to P.54B-3).
SWS -
Troubleshooting
54B-32
Inspection Procedure J-9
No power window main switch signal input to ETACS-
ECU.
Probable cause
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
D
Power window main switch fault
D
ETACS-ECU fault
D
Harness or connector fault
Check the trouble
symptoms.
NG
Replace ETACS-ECU.
NG
Repair
NG
Repair
OK
Replace power window
main switch.
NG
Repair
NG
Check the harness between the power window main switch
and the power window relay, and repair if necessary.
NG
Repair
NG
Check the harness between the power window main switch
and the body earth, and repair if necessary.
OK
Replace power window main switch.
OK
Check the trouble
symptoms.
(2) NG
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.
NO
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.
(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
NG
Check the harness between the power window main switch
and ETACS-ECU.
OK
Check the trouble
symptoms.
Can the power windows operate off the power window main
switch?
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
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