Mitsubishi Lancer Evolution 8. Manual — part 137
SWS – TROUBLESHOOTING
54B-71
Has the automatic return function for the motorised door
mirrors been set to “Keyless driven function ON” by the
adjustment function?
SWS monitor ECU check
• Ignition switch: ON
ETACS-ECU
OK: “OK” is displayed
SWS monitor keyless entry reception check
Check using all keyless entry transmitters with which
problems were confirmed
• Keyless entry transmitter
Lock switch: ON
MUT display
Normal state
Lock
• Keyless entry transmitter
Unlock switch: Long press
MUT display
Normal state
Unlock
OK: All display normal state
Confirm the trouble symptoms
Transient problem
Use the adjustment function to set the automatic return
function for the motorised door mirrors to “Keyless driven
function ON” (see p.54B-118)
To Inspection procedure A-3 No communication with
ETACS-ECU (p.54B-28)
To Inspection procedure R-17 Various switch signals of
keyless entry transmitter not input (p.54B-109)
Replace the ETACS-ECU
Inspection procedure I-5
Motorised retractable door mirror automatic return
function (keyless driven function) does not work correctly
Probable Cause
This function is operated by determining the following input
signals in the ETACS-ECU.
• Keyless entry transmitter
If this function does not operate correctly, then there is
probably a malfunction in the input circuit system for this
signal, or a fault in the ETACS-ECU.
There is also a possibility that the function has been switched
off by the adjustment function.
• Fault in keyless entry transmitter
• Fault in ETACS-ECU
• Fault in harness or connectors
YES
OK
OK
OK
NO
NG
NG
NG
SWS – TROUBLESHOOTING
54B-72
Inspection procedure I-6
Check connector
(Driver’s side) E-01
(Front passenger’s) E-07
Check the mirror assembly (motorised stowing operation)
of the door that is not working (See Chap. 51*)
Check connectors
(Driver’s side) C-226, C-114
(Front passenger’s) C-226, C-33
Check the harness between the door mirror and the
ETACS-ECU
Confirm the trouble symptoms
Transient problem
Replace the ETACS-ECU
Note:
*: See ’00-5 Lancer Sedia Servicing Manual (No. 1036K00)
One of the motorised retractable door mirrors is not working.
Probable Cause
The motorised retractable door mirrors are operated by
determining the following input signals in the ETACS-ECU.
• Ignition switch (ACC)
If any of the motorised door mirrors is not working, then there is
probably a malfunction in the input circuit system for this signal, a
fault in the door mirror, or a fault in the ETACS-ECU.
• Fault in mirror assembly
• Fault in ETACS-ECU
• Fault in harness or connectors
Replace
Repair
Repair
Repair
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
SWS – TROUBLESHOOTING
54B-73
Inspection procedure J-1
Ignition key cylinder illumination light does not light up
and switch off correctly
Probable Cause
(Vehicle not fitted with keyless entry)
The ignition key cylinder illumination light is switched on by
determining the following input signals in the ETACS-ECU.
• Ignition switch (IG1)
• Key reminder switch
• Driver’s door switch
If it does not work correctly, then there is probably a
malfunction in the input circuit system for these signals, a fault
in the ignition key cylinder illumination light, or a fault in the
ETACS-ECU.
• Fault in key reminder switch
• Fault in driver’s door switch
• Fault in ignition key cylinder illumination light
• Fault in ETACS-ECU
• Fault in harness or connectors
(Vehicle fitted with keyless entry)
The ignition key cylinder illumination light is switched on by
determining the following input signals in the ETACS-ECU.
In addition, since the interior lights are switched off by the
interior light cut-off function, then the input signal for the
interior light cut off should also be checked at the same time.
• Ignition switch (ACC)
• Ignition switch (IG1)
• Key reminder switch
• Driver’s door switch
• All door switch
• Generic fuse No.17
If it does not work correctly, then there is probably a
malfunction in the input circuit systems for these signals, a
fault in the ignition key cylinder illumination light, a malfunction
in the interior light cut-off, or a fault in the ETACS-ECU.
• Fault in key reminder switch
• Fault in driver’s door switch
• Fault in ignition key cylinder illumination light
• Fault in ETACS-ECU
• Fault in harness or connectors
SWS – TROUBLESHOOTING
54B-74
(Vehicle not fitted with keyless entry)
SWS monitor ECU check
• Ignition switch: OFF
ETACS-ECU
OK: “OK” is displayed
SWS monitor service data
(Communications data) ETACS-ECU
• Ignition switch: ON
• Driver’s door: Open
Item No.
Item Name
Normal value
(a) 30
Ignition SW IG1
ON
(b) 32
Driver’s door SW RH
ON
OK: Normal value displayed for all
SWS monitor service data
ETACS switch data
• Ignition switch: OFF (key inserted)
Item No.
Item Name
Normal value
03
Key reminder SW
OFF
OK: Normal value displayed for all
Check connector C-202
Check at Ignition key cylinder illumination light connector
C-202
• Detach the connector and check at the harness side
• Voltage between 2 & body earth
OK: Battery voltage
Check the ignition key cylinder illumination light bulb
Check connector C-225
Check the harness between the ETACS-ECU and the
ignition key cylinder illumination light
Confirm the trouble symptoms
Transient problem
To Inspection procedure A-3 No communication with
ETACS-ECU (p.54B-28)
To Inspection procedure R-2 Ignition switch (IG1)
signal not input (p.54B-96)
To Inspection procedure R-4 Driver’s door switch signal
not input (p.54B-98)
To Inspection procedure R-11 Key reminder switch
signal not input (p.54B-103)
Check connectors C-32, C-110, C-211, C-224, C-225
Check the harness between the ETACS-ECU and the
fusible link (1)
Confirm the trouble symptoms
Transient problem
Replace the ETACS-ECU
Replace the ETACS-ECU
Replace
Repair
Repair
Repair
Repair
Repair
OK
OK
NG (b)
OK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG
OK
OK
OK
OK
NG
NG
NG
NG
NG (a)
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