Mitsubishi Lancer Evolution IX. Manual - part 141
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR
54B-127
INSPECTION PROCEDURE E-2: Keyless entry hazard warning lamp answerback function or the room
lamp answerback function does not work normally.
CAUTION
Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the hazard warning lamp and the room lamp work
normally, the ETACS-ECU may be defective.
Alternatively, it is possible that the keyless entry haz-
ard warning lamp answerback function was disabled
by the adjustment function.
POSSIBLE CAUSES
• Defective turn-signal lamp
• Malfunction of the room lamp
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 1. Check the adjustment function.
Check that the keyless entry hazard warning lamp
answerback function has been enabled by using the
adjustment function.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Enable the keyless entry hazard warning
lamp answerback function by using the
adjustment function (Refer to
Step 2. Check the operation of the hazard
warning lamp.
Check that the hazard warning lamps illuminate nor-
mally.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Refer to inspection procedure I-2 "The
hazard warning lamps do not illuminate
".
Step 3. Check the operation of the room lamps.
Check that the room lamps illuminate normally.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Refer to inspection procedure K-1 "The
front, rear room lamp and/or luggage
compartment lamp do not illuminate or
extinguish normally
."
Step 4. Retest the system.
Check that the keyless entry hazard warning lamp
answerback function or the room lamp answerback
function work normally.
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.