Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 498

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.
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
Check the (lighting) column switches (Refer to GROUP 54A).
MUT-II diagnosis code
When the ignition switch is in the LOCK (OFF) position, is the
diagnosis code output?
Replace column switch.
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.
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
MUT-II diagnosis code
When the ignition switch is in the LOCK (OFF) position, is the
diagnosis code output?
Replace column switch.
SWS -
OK
NO
NO
Troubleshooting
Probable cause
D Column switch fault
D ETACS-ECU fault
D Harness or connector fault
NG
Replace
YES
Diagnosis Code Chart (Refer to P.54B-3).
Check the trouble symptoms.
Replace ETACS-ECU.
Probable cause
D Column switch fault
D ETACS-ECU fault
D Harness or connector fault
YES
Diagnosis Code Chart (Refer to P.54B-3).
Check the trouble symptoms.
Replace ETACS-ECU.
54B-31
NG
NG