Mitsubishi Lancer Evolution IX. Manual - part 216
SYMPTOM PROCEDURES
SMART WIRING SYSTEM (SWS) USING SWS MONITOR
54C-123
INSPECTION PROCEDURE D-5: The window glass lowers automatically while it is rising.
COMMENTS ON TROUBLE SYMPTOM
If the sliding resistance is too great when the window
is being raised or the window glass encounters an
object, the window glass will lower by approximately
150 mm.
POSSIBLE CAUSES
• Improper adjusted door window glass
• Incorrectly installed or warped glass slider
• Malfunction of the power window regulator motor
• Malfunction of the window regulator
DIAGNOSIS PROCEDURE
STEP 1. Check the power window anti-trap
function.
Check that the power window anti-trap function
works. Refer to GROUP 42
− Door − On-vehicle
Service
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Refer to Inspection Procedure D-6 "Power
window anti-trap function does not work
normally
."
STEP 2. Check the power window operating
current.
Check that the power window operating current is
normal (Refer to GROUP 42
− Door − On-vehicle
service
).
Q: Is the check result normal?
YES :
Adjust the door window glass (Refer to
GROUP 42
− Door − On-vehicle service
), and then go to Step 3.
NO :
Replace the defective power window
regulator motor assembly which operating
current are abnormal.
STEP 3. Check that the door window glasses are
installed correctly.
Check that the door window glasses are installed
correctly. Refer to GROUP 42
− Door − On-vehicle
Service
.
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Adjust the door window glass (Refer to
GROUP 42
− Door − On-vehicle service
).
STEP 4. Retest the system.
Check that the power window does not lower auto-
matically while it is being raised.
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 power window regulator motor
assembly of the defective window.