Maxima I30 or I35 Power Window Feature Problems? Check the Encoder & Limit Switch.

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APDTY 853618 Power Window Lift Motor Fits Front Driver Side Left For 2000-2003 Nissan Maxima, 2000-2001 Infiniti I30, Or 2002-2004 Infiniti I35 (Replaces 80731-2Y901, 807312Y901)


Features: With Anti-Pinch Technology, OE Plug And Play 6-Pin Factory Connector, Brand New Not Remanufactured Like Most

New From: $69.39 USD In Stock

2000-2003 Nissan Maxima
2000-2001 Infiniti I30
2002-2004 Infiniti I35

How to Check the Encoder & Limit Switch

1) Inspect suspect window slide mechanism. Ensure slide is free from debris or damage. Check for worn molding. Ensure window is not binding in the molding.  Repair as needed. If window is able to slide freely, go to next step.

2) Disconnect suspect window regulator connector. Access power window switch harness connector. Do not disconnect connector. Turn ignition on.  Back-probe connector, measure voltage between ground and terminal No. 9. If voltage is present, go to next step.  If 5 volts is NOT present, replace window switch.

3) Connect suspect window regulator connector. Ensure window is fully open. Access power window switch harness connector. Do not disconnect connector. Turn ignition on. Back-probe connector, Measure voltage between ground and terminal No. 9. Raise window while monitoring voltage. Voltage should remain at zero volts until window is within .59″ (15mm) of being closed. Once window opening is less than .59″ (15mm), voltage should be 5 volts. If voltage is as specified, go to step 5. If voltage is not as specified, go to next step

4) Reset suspect window limit switch (located on window motor). Fully close window. Press and hold reset switch on window regulator. Fully lower window. Release reset switch. Fully close window. Repeat step 3 at least 10 times. If voltage is as specified, go to next step. If voltage is not as specified, replace window regulator motor.

5) Further testing will require using an oscilloscope. Turn ignition on. Backprobe suspect window switch connector, measure voltage between ground and terminal No. 9. Raise widow using automatic function Square wave pattern should oscillate between zero to 5 volts. If oscilloscope pattern is as specified, replace power window switch. If oscilloscope pattern is not as specified, replace window regulator motor.

Brian

ASE Certified Technician

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1 Response

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