TROUBLESHOOTING [POWER WINDOW SYSTEM]
S–121
S
BASIC POWER WINDOW SYSTEM INSPECTION
A6E778058000W03
Manual Mode Function Inspection
Automatic Mode Function Inspection
STEP INSPECTION ACTION
1 • Turn ignition switch to ON position.
• Do all windows go up and down in manual
mode using power window main switch?
Yes Go to next step.
No • Inspect the following items:
— Power window main switch power supply fuses
— Power window main switch ground wiring harness
— Power window main switch power supply wiring
harnesses
— Wiring harness between power window main switch
and power window motor
— Power window main switch
— Power window motor
— Each power window motor wire installation point
— Each window installation point on its carrier plate
— Each power window regulator installation point on
each door
• Repair or replace the problem area, then go to Step 4.
2 • Does each window go up and down in
manual mode using power window
subswitch?
Yes Go to next step.
No • Inspect the following items:
— Power window main switch (power-cut switch system
malfunction)
— Power window subswitch
— Subswitch power supply wiring harnesses
• Repair or replace the problem area, then go to automatic
mode function inspection.
3 • Turn power-cut switch UNLOCK.
• Push/pull power window main switch
(switches for all doors in manual mode).
• Does only driver-side front window go up and
down?
Yes • Manual mode function is normal.
• Go to automatic mode function inspection.
No Replace power window main switch, then go to automatic
mode function inspection (power-cut switch system
malfunction).
STEP INSPECTION ACTION
1 • Turn ignition switch to ON position.
• Operate power window main switch for
driver-side front door in automatic mode.
• Does driver-side front window go up and
down?
Yes Go to next step.
No
Driver-side front window does not go up and
down in automatic mode:
• Go to Step 1 of NO. 1 DRIVER-SIDE FRONT WINDOW
DOES NOT GO UP AND DOWN IN AUTOMATIC
MODE.
Driver-side front window go up and down in
automatic mode, but driver-side front window
reverses:
• Go to Step 1 of NO. 3 DRIVER-SIDE FRONT WINDOW
REVERSES EVEN THOUGH THE GLASS DOES NOT
ENCOUNTER A FOREIGN OBJECT WHILE IT IS
GOING UP IN AUTOMATIC MODE.
2 • Gently pull the driver-side front power
window switch while driver-side front window
is going down in automatic mode.
• Does the glass stop?
Yes Go to next step.
No Replace power window main switch, then go to automatic
window return function inspection.
3 • Gently press the driver-side front power
window switch while driver-side front window
is going up in automatic mode.
• Does the glass stop?
Yes • Automatic mode function is normal.
• Go to automatic window return function inspection.
No Replace power window main switch, then go to automatic
window return function inspection.