DIAGNOSTIC PROCEDURE
AUTO OPEN FUNCTION ON DRIVER'S AND PASSENGER'S SIDE POWER WINDOW
INOPERATIVE[POWER WINDOW SYSTEM] DIAGNOSTIC PROCEDURE
POSSIBLE CAUSE
Power window main switch malfunction (power window control unit
malfunction, auto switch malfunction)
Power window motor malfunction
Malfunction in wiring harness between power window motor and power
window main switch
NOTE:
The soft-top models do not have passenger's side power window auto
open function.
STEP
INSPECTION
ACTION
1
Turn the ignition switch to ON
position.
Operate driver and passenger side
power window using automatic
open function on the power
window main switch.
Do each side power window open
normally?
Yes
The power window system is normal.
No
Automatic open function does not
operate both sides:
Go to the next step.
Automatic open function does not
operate one side:
Go to step 4.
2
Turn the ignition switch to ON
position.
Measure the voltage between
power window main switch
following terminal and ground.
Terminal 1B (power
retractable hardtop model)
Terminal I (soft-top model)
Is the voltage B+?
Yes
Go to the next step.
No
Repair or replace for open circuit.
3
Turn the ignition switch to LOCK
position.
Disconnect the power window
main switch connector.
Verify that the continuity between
following power window main
switch terminal and ground.
Terminal 1G (power
retractable hardtop model)
Yes
Inspect the power window main switch.
(See
POWER WINDOW MAIN
SWITCH INSPECTION
.)
(See
POWER WINDOW MAIN
SWITCH INSPECTION[POWER
RETRACTABLE HARDTOP]
.)
Replace the power window main switch if
necessary.
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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