Mitsubishi Lancer Evolution IX. Manual - part 251
INPUT SIGNAL PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-263
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Repair the wiring harness.
Step 4. SWS monitor data list.
<Selected item> ETACS ECU
• Ignition switch: ON
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
Cope with Intermittent Malfunction
NO :
Replace the ETACS-ECU.
INSPECTION PROCEDURE L-3: The door switch (front: LH) signal is not received. <LH drive
vehicles>
CAUTION
Whenever the ECU is replaced, ensure that the
input signal circuit is normal.
COMMENTS ON TROUBLE SYMPTOM
Input signal from the driver's door switch is used to
operate the functions below. If the signal is abnormal,
these functions will not work normally.
• Lamp reminder function
• Headlamp automatic shutdown function
• Room lamps
• Door-ajar indicator lamp
POSSIBLE CAUSES
• Malfunction of the driver's door switch
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
Item No.
Item name
Normal condition
Item 30
IG SW(IG1)
ON
J/B SIDE
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
ETACS-ECU
FRONT DOOR
SWITCH (LH)
Door Switch Input Circuit <LHD>