side power window using the
power window main switch.
Is the voltage B+?
Power retractable hardtop
model:
Open: terminal 1F/close:
terminal 1D
Soft-top model:
Open: terminal D/close:
terminal A
No
Replace the power window main switch.
(See
POWER WINDOW MAIN
SWITCH
REMOVAL/INSTALLATION
.)
3
Measure the voltage at the power
window motor (battery power
supply terminal) while operating
the passenger's side power
window using the power window
main switch.
Is the voltage B+?
(Open: terminal A/close: terminal
G)
Yes
Go to the next step.
No
Inspect for an open or short circuit in the
wiring harness between the power window
main switch and the power window motor.
Inspect the power window main switch and
power window motor connector
connections. (damage/pulled-out pins,
corrosion)
Repair or replace as necessary.
4
Operate the passenger's side
power window using the power
window main switch.
Does the power window motor
operate (rotate)?
CAUTION:
If the power window
motor temperature is
high, the motor may not
rotate due to the motor
internal bimetal function.
Leave it untouched for
about 3 min to cool it,
then reinspect.
Yes
Go to the next step.
No
Replace the power window motor.
(See
POWER WINDOW REGULATOR
REMOVAL/INSTALLATION
.)
5
Remove the door glass from
carrier plate.
Make sure that the door glass
moves smoothly using your hand.
Does the door glass move
Yes
Replace the power window regulator.
(See
POWER WINDOW REGULATOR
REMOVAL/INSTALLATION
.)
No
Inspect for a bent regulator guide or other
possible malfunction.
If normal, replace the door glass run-
2007 Mazda MX-5 Miata Sport
2007 ACCESSORIES & BODY, CAB Symptom Troubleshooting (Power Window System) - MX-5 Miata
Microsoft
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