COMMENTS ON TROUBLE SYMPTOM
If the passenger's and/or rear power window does not work by means of the power window main switch, the power window main switch or the respective power window sub switch(es) may be defective.
POSSIBLE CAUSES
  • Malfunction of the power window main switch
  • Malfunction of the power window sub switch (front, LH), power window sub switch (rear, RH) or power window sub switch (rear, LH)
  • Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
Step 2. Confirm communication data by using the SWS monitor.
Check the SWS communication signal from the power window lock switch to the ETACS-ECU.
<Selected item> DOOR CNT. COM.
  • Turn the ignition switch to the ON position.
  • Power window lock switch: OFF
Item No.
Item name
Normal conditions
Item CB
P/W LOCK SW
OFF

OK: Normal condition is displayed.
Q: Is the check result normal?
YES:  Go to Step 3.
NO:  Replace the power window main switch.
Step 3. Confirm communication data by using the SWS monitor.
Check the SWS communication signals, which are used when the front and/or rear passenger's door power windows are operated by the power window main switch.
<Selected item> DOOR CNT. COM.
  • Turn the ignition switch to the ON position.
  • Are normal conditions displayed when each switch of the power window main switch is operated?
Item No.
Item name
Normal conditions
C0
PASS DOR UP
ON
C1
PASS DOR DOWN
ON
C2
PASS DOR AUTO
ON
C4
REAR RH UP
ON
C5
REAR RH DOWN
ON
C6
REAR RH AUTO
ON
C8
REAR LH UP
ON
C9
REAR LH DOWN
ON
CA
REAR LH AUTO
ON

OK: Normal conditions are displayed for all the items.
Q: Is the check result normal?
Normal conditions are displayed for all of items C0, C1 and C2 when the front passenger's power window does not work.:  Go to Step 6.
Normal conditions are displayed for none of items C0, C1 and C2 when the front passenger's power window does not work.:  Go to Step 4.
Normal conditions are displayed for all of items C4, C5 and C6 when the rear right power window does not work.:  Go to Step 12.
Normal conditions are displayed for none of items C4, C5 and C6 when the rear right power window does not work.:  Go to Step 10.
Normal conditions are displayed for all of items C8, C9 and CA when the rear left power window does not work.:  Go to Step 18.
Normal conditions are displayed for none of items C8, C9 and CA when the rear left power window does not work.:  Go to Step 16.
Normal condition is displayed for any of the items.:  Replace the power window main switch.
©2004 Mitsubishi Motors Corporation