No.4 ALL POWER WINDOWS ARE INOPERATIVE [POWER WINDOW SYSTEM]

id0903a0870200

4
All power windows are inoperative
POSSIBLE CAUSE
•  Power supply circuit or ground circuit malfunction
―  Burnt fuse (B+)
―  Open or short circuit in wiring harness between ignition switch (IG1) and power window main switch
―  Open or short circuit in wiring harness between power window main switch and power window motor
―  Open or short circuit in wiring harness between power window main switch and ground
•  Power window main switch malfunction (switch malfunction)
•  Power window motor malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
•  Operate all power windows other than driver’s side window using the power window main switch.
•  Does any power window operate?
Yes
Go to Step 5.
No
Go to the next step.
2
•  Operate the driver’s side power window using the power window main switch.
•  Does the power window operate?
Yes
Go to the next step.
No
Inspect for an open circuit in the wiring harness between the power window main switch and the body ground.
Inspect the power window main switch connector connection. (damage/pulled-out pins, corrosion)
Repair or replace if necessary.
3
•  Is the P.WIND 20 A fuse normal?
Yes
Replace with the appropriate standard fuse.
If the fuse is melted, inspect the wiring harness for a short to ground. Repair or replace the wiring harness, then replace the fuse.
No
Replace the power window main switch.
(See POWER WINDOW MAIN SWITCH INSPECTION.)
4
•  Remove the door glass from the carrier plate.
•  Make sure that the door glass moves smoothly using your hand.
•  Does the door glass move smoothly?
Yes
Replace the power window regulator guide.
No
Inspect for a bent regulator guide or other possible malfunction. If normal, replace the glass run channel.
5
Note
•  Do not operate the power window main switch during the following inspection.
•  Inspect the continuity between power window main switch terminal (up-side I, D (Auto on both driver and passenger side) / G, A (Auto on driver side only)) and ground.
•  Is there continuity?
Yes
Go to the next step.
No
Replace the power window main switch.
(See POWER WINDOW MAIN SWITCH INSPECTION.)
6
Note
•  Do not operate the power window main switch during the following inspection.
•  Inspect the continuity between power window main switch terminal (down-side F, J (Auto on both driver and passenger side) / B, D (Auto on driver side only)) and ground.
•  Is there continuity?
Yes
Inspect for an open or short circuit in the wiring harness between the power window main switch.
Inspect the power window main switch connector connections. (damage/pulled-out pins, corrosion) Repair or replace if necessary.
No
Replace the power window main switch.
(See POWER WINDOW MAIN SWITCH INSPECTION.)