Mazda 626 Station Wagon, Workshop Manual

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TROUBLESHOOTING [POWER WINDOW SYSTEM]
TROUBLESHOOTING [POWER WINDOW SYSTEM]
AUTOMATIC WINDOW RETURN FUNCTION
Foreword
• Always perform basic power window system inspection before troubleshooting.
• The possible cause section lists inspection areas (steps) for the malfunctioning system. Use it when you want
to confirm an inspection procedure quickly.
• Troubleshooting gives content unique to trouble caused by problems in the automatic window return function.
Caution
• The automatic window return may not operate properly if the following is performed on the front
door. (See S-12, DRIVER-SIDE POWER WINDOW MOTOR RESETTING.)
— The power window motor is operated without the door glass properly Installed.
— The door glass is replaced.
— The glass run channel is replaced.
— The power window regulator is removed or installed. If a new power window regulator is
installed, however, the power window motor does not require resetting.
Basic Power Window System Inspection
Manual 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’s 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 sub­
switch?
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 to LOCK.
• Operate power window main switch 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).
4 • Were any of the following parts replaced or
reinstalled?
— Driver-side front power window motor
— Driver-side front door glass
— Driver-side front power window regulator
— Driver-side front power window wire
— Driver-side front glass run channel
Yes Reset the driver-side front power window motor, then .
go to automatic mode function inspection.
(See S-12 DRIVER-SIDE POWER WINDOW MOTOR
RESETTING)
No Go to automatic mode function inspection.
S -26