Mitsubishi Evolution X. Manual — part 1068
ETACS
TSB Revision
CHASSIS ELECTRICAL
54A-633
258
RR door ajar switch
Rear right door: Open
Open
Rear right door: Closed
Close
259
RR door ajar switch
Rear left door: Open
Open
Rear left door: Closed
Close
260
Trunk/gate trunk ajar switch
Trunk lid: Open
Open
Trunk lid: Closed
Close
264
Handle lock switch
When the ignition key is
inserted into the ignition key
cylinder
Key in
When the ignition key is
removed from the ignition key
cylinder
Key out
265
Hazard switch
While the hazard switch is
pressed
ON
Other than above
OFF
266
Hood switch
Hood: Open
ON
Hood: Closed
OFF
268
Trunk/gate opener switch
Not used
OFF
270
Dr door lock switch
When the driver's door is locked Lock
Other than above
Not lock
271
Dr door unlock switch
When the driver's door is
unlocked
Unlock
Other than above
Not Unlock
272
As door unlock switch
When the front passenger's
door is unlocked
Unlock
Other than above
Not Unlock
273
Except Dr/As door unlock switch
Not used
OFF
274
Door key lock switch
Not used
OFF
275
Dr door key unlock switch
Not used
OFF
276
Door key unlock switch
Not used
OFF
277
Power lock switch
Not used
OFF
278
Power unlock switch
Not used
OFF
279
Brake fluid switch
When the brake fluid level is
normal
ON
When the brake fluid level is low OFF
281
ASC/TCL OFF switch
ASC OFF switch: During ON
operation
ON
Other than above
OFF
287
Starter switch
Ignition switch: START position ON
Ignition switch: Other than the
START position
OFF
Item No. Display on M.U.T.-III
Check conditions
Normal conditions
ETACS
TSB Revision
CHASSIS ELECTRICAL
54A-634
288
ACC switch
Ignition switch: ACC or ON
ON
Ignition switch: Other than ACC
or ON
OFF
289
Backup light or shift reveres SW
The shift lever is in the reverse
position.
ON
Other than above
OFF
290
Stoplight switch
Brake pedal depressed
ON
Other than above
OFF
291
Front wiper auto stop switch
When the windshield wiper is in
operation
ON
Other than above
OFF
293
Process error information
−
−
294
Process error counter
−
0
−255 times
340
Headlight switch(tail)
Lighting switch: Position light
position
ON
Other than above
OFF
341
Headlight switch
Lighting switch: Headlight
position
ON
Other than above
OFF
342
Headlight switch(Dimmer)
Lighting switch: During dimmer
switch operation
ON
Other than above
OFF
343
Turn switch left
Turn-signal light switch: LH
position
ON
Other than above
OFF
344
Turn switch right
Turn-signal light switch: RH
position
ON
Other than above
OFF
345
Fog light ON
Fog light switch: During ON
operation
ON
Other than above
OFF
346
Fog light OFF
Fog light switch: During OFF
operation
ON
Other than above
OFF
347
Switch type
−
LHD
348
Headlight switch(auto)
Lighting switch: AUTO position
ON
Other than above
OFF
349
Headlight cleaner
Not used
OFF
350
Headlight switch(flasher)
Lighting switch: During dimmer
switch operation
ON
Other than above
OFF
Item No. Display on M.U.T.-III
Check conditions
Normal conditions
ETACS
TSB Revision
CHASSIS ELECTRICAL
54A-635
TROUBLE SYMPTOM CHART
M1545001200111
351
Column ECU sleep
Ignition switch: Other than ON
or START position
OK
Ignition switch: ON or START
position
NG
352
Front wiper(INT)
Wiper switch: INT position
ON
Other than above
OFF
353
Front wiper(LO)
Wiper switch: LO position
ON
Other than above
OFF
354
Front wiper(HI)
Wiper switch: HI position
ON
Other than above
OFF
355
Front wiper(washer)
Wiper switch: During washer
operation
ON
Other than above
OFF
356
Rear wiper
Not used
OFF
357
Rear wiper(washer)
Not used
OFF
358
Front wiper(MIST)
Wiper switch: During MIST
operation
ON
Other than above
OFF
359
Front wiper(interval volume)
Variable intermittent wiper
control switch is switched from
(+) to (
−).
The value changes
from 0 (+) to 254 (
−).
360
Wiper switch lever fail
When normal
No fail
When abnormality is present
Fail
361
Turn/Light switch lever fail
When normal
No fail
When abnormality is present
Fail
Item No. Display on M.U.T.-III
Check conditions
Normal conditions
Trouble symptom
Reference page
Malfunction of ETACS-ECU power supply circuit
ETACS
TSB Revision
CHASSIS ELECTRICAL
54A-636
SYMPTOM PROCEDURES
Malfunction of ETACS-ECU power supply circuit
.
TECHNICAL DESCRIPTION (COMMENT)
If the ETACS-ECU functions do not work at all, the
ETACS-ECU power supply system, ground system,
or ETACS-ECU may have a problem.
.
TROUBLESHOOTING HINTS
• The wiring harness or connectors may have
loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector
• The ETACS-ECU may be defective
ETACS-ECU Power Supply Circuit
FUSIBLE
LINK
36
FUSIBLE
LINK
34
ETACS-ECU
RELAY BOX
ENGINE
COMPARTMENT
AC708972AZ
Connectors: C-307, C-309, C-315, C-317
ETACS-ECU
C-309 (B)
C-307 (B)
C-315
C-317
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