NO.4 ALL POWER WINDOWS ARE INOPERATIVE[POWER WINDOW
SYSTEM]
ALL POWER WINDOWS ARE INOPERATIVE[POWER WINDOW SYSTEM] POSSIBLE CAUSES
DIAGNOSTIC PROCEDURE
ALL POWER WINDOWS ARE INOPERATIVE[POWER WINDOW SYSTEM] DIAGNOSTIC
PROCEDURE
smoothly?
channel.
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
STEP
INSPECTION
ACTION
1
Operate the passenger's side
power 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
Go to the next step. (power retractable
hardtop model with exterior open
2007 Mazda MX-5 Miata Sport
2007 ACCESSORIES & BODY, CAB Symptom Troubleshooting (Power Window System) - MX-5 Miata
Microsoft
Thursday, July 09, 2009 3:25:15 PM
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