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Which relay controls the electric windows in my 30 lx tdi

I have tested the window motors and they are fine. If I supply direct power to the window switches, they operate normally but I cannot find power to the switches in the loom, so I am assuming this is controlled by a relay. Which one is it??( All fuses have been checked)

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  • Peter Jauncey Jan 19, 2013

    my windows are working again.

  • montehammons Jan 19, 2013

    That's great. What was it?

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  • Cars & Trucks Master
  • 5,371 Answers

Often, power windows are run from a circuit breaker in the fuse panel. At the driver's door master switch you should have one hot powered wire, when key is on. And the ground wire for the power windows originates at the master switch and goes back into the cabin to a nearby ground. You may want to look at a wiring diagram of the power windows for your vehicle to see if it is like this. But you should be working at the master switch, and you should be looking for this hot wire, or it or the ground wire may be broken where the loom enters the door. I found a broken ground wire there on a Chrysler once-just like yours, no windows worked, but all motors did.

Posted on Jan 16, 2013

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SOURCE: power window relay or control unit

Control unit (with MANY wires) is inside trunk on right side and there is a fuse box with 3 fuses at the "REAR"...assume trunk again...I have schematic only...remove the Control unit wire connectors and re-insert them to polish the contacts...

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SOURCE: Power windows & locks all fail

hi, i reocommend that you check the wiring harness in the drivers door around the hinge area where the wiring from the car goes into the door itself, sounds like you may have a broken cable.
Good luck Davelee.

Posted on Mar 24, 2009

468 Chevelle
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SOURCE: window switch for driver control and passenger switch window

sounds like you have a passenger window motor problem. Try hitting the right door panel hard, down near the speaker opening and pushing the switch at the same time. If it moves, the motor windings are and needs to be replaced.

Posted on Mar 26, 2009

  • 188 Answers

SOURCE: VW Polo 2000 1.4 16V Blowing fuse for Central locking / windows

car electrics are a nightmare. the car lights up when a door is open i presume. and by bypassing the central locking. the electric computer says there is a fault. and will not start. that i think is programed in. best thing to do is. go to phone VW dealer ask about diagnostic test without repair. about £35 then fix it yourself. they garentee it right I think. the dealers have come into line better with that kind of thing phone and ask anyway.

Posted on Mar 26, 2009

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Right side windows does not work from drivers door or pass.and rear door 2007 Silverado new body


What's with the 1994 C/K 2500 above an 2007 Silverado ? 07 on 94 frame ? New body have all the 07 electronics ?
Power Window System Controls (RPO A31/AN3/DL3)
The power window system will operate anytime the Retained Accessory Power (RAP) system is active or when the ignition switch is in the ACCY or ON position.
The driver master control switches are integrated into the DDS. When a power window switch is activated in the up or down positions the DDS supplies power and ground to the window motor control circuits to drive the window motor in the required direction. Prior to activating a power window motor the DDS will supply the control circuit with a low current bias voltage in order to determine that a short to ground condition does not exist and during window motor operation the DDS continues to monitor the motor current to verify proper window motor operation.
The DDS controls the passenger window through a GMLAN message to the PDS. When a power window switch is activated in the up or down positions the PDS supplies power and ground to the window motor control circuits to drive the window motor in the required direction. Prior to activating a power window motor the PDS will supply the control circuit with a low current bias voltage in order to determine that a short to ground condition does not exist, and during window motor operation the PDS continues to monitor the motor current to verify proper window motor operation. (Scan tool support is available for this system)
Do you know what GMLAN is ? serial data communication network
How to Diagnose Controller Area Network CAN GMLAN is general motors C.A.N
Passenger Power Window Inoperative
  1. Ignition OFF, disconnect the C1 harness connector at the PDS.
  2. Test for less than 1 ohm between the ground circuit terminal 6 and ground.
  3. ?‡'
    If greater than the specified range, test the ground circuit for an open/high resistance.

  4. Ignition ON, verify that a test lamp illuminates between the B+ circuit terminal 2 and ground.
  5. ?‡'
    If the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.

  6. Ignition OFF, reconnect the harness connector at the PDS.
  7. Ignition ON, observe the scan tool Passenger Window Switch parameters while using the passenger power window switch. The reading should change between Off/Up/Down/Express Down.
  8. ?‡'
    If the parameter does not change, replace the PDS.

  9. Ignition OFF, disconnect the harness connector at the passenger window motor.
  10. Connect a test lamp between control circuit terminal A and control circuit terminal B.
  11. Ignition ON, command the passenger window UP and DOWN by using the passenger window switch. The test lamp should illuminate when commanding the UP and DOWN states.
  12. ?‡'
    If the test lamp is always OFF during either of the commands, test for a short to ground or open/high resistance on either control circuit. If the circuits test normal, replace the PDS.


    ?‡'
    If the test lamp is always ON, test for a short to voltage on either control circuit. If the circuits test normal, replace the DDS.

  13. If all circuits test normal, test or replace the passenger window motor.

Sep 08, 2016 | 1994 Chevrolet C/K 2500

1 Answer

Which relay/fuse controls the power windows?


Visual Inspection Chart Mechanical Electrical
  • Door window regulator and motor
  • Door glass top run
  • Door window glass
  • Loose, corroded connectors
  • Circuitry
  • Window control switch
  • Battery junction box (BJB) fuse(s):
    • 1 (60A)
    • 3 (60A)
    • 11 (50A)
  • Smart junction box (SJB) fuse(s):
    • 7 (20A)
    • 27 (10A)
    • 30 (10A)
  • SJB circuit breaker 10 (30A)
  • SJB rear window defrost relay 1
  • Relay center box 1 rear window defrost relay 2
  • Delayed accessory relay
  • Battery saver relay
  • Rear window defrost grid

Apr 23, 2016 | 2005 Ford Taurus

2 Answers

Sunroof won't close automatically.


Is the motor receiving power? If not you have to check electrical system to locate the place that is not transmitting power. Could be a fuse/relay, switch, bad connection.

If the motor is turning and nothing happens then the drive mechanism from motor to sunroof is stripped. Not good.

Mar 13, 2016 | 2004 Cadillac CTS

1 Answer

Power windows dont work


There is a circuit breaker for power windows .
Power Window System Components
The power window system consists of the following components:
?€¢
Driver Door Switch (DDS)


?€¢
Passenger Door Switch (PDS)


?€¢
Body Control Module (BCM)


?€¢
Rear door power window switches


?€¢
Power window motors in each of the doors


?€¢
PWR WDO Circuit Breaker


Power Window System Controls
The power window system will operate anytime the Retained Accessory Power (RAP) system is active or when the ignition switch is in the ACCY or ON position.
The driver master control switches are integrated into the DDS. When a power window switch is activated in the up or down positions the DDS supplies power and ground to the window motor control circuits to drive the window motor in the required direction. Prior to activating a power window motor the DDS will supply the control circuit with a low current bias voltage in order to determine that a short to ground condition does not exist and during window motor operation the DDS continues to monitor the motor current to verify proper window motor operation.
The DDS controls the passenger window by a serial message to the PDS. When a power window switch is activated in the up or down positions the PDS supplies power and ground to the window motor control circuits to drive the window motor in the required direction. Prior to activating a power window motor the PDS will supply the control circuit with a low current bias voltage in order to determine that a short to ground condition does not exist, and during window motor operation the PDS continues to monitor the motor current to verify proper window motor operation. (Scan tool support is available for this system
Check this circuit breaker
RETAINED ACCSRY PRW BRKR 30 amp. located in the left instrument panel fuse box . if the breaker is good check power B+ at the drivers door switch . connector 1 terminal b yellow wire . Sometimes the wires inside the rubber boot coming from body to door break .

Oct 29, 2015 | 2005 Chevrolet Impala

2 Answers

Where is the power window relay located in a 2002 mercury villager?


Principles of Operation
The driver power window regulator motor is controlled directly by the master window/door lock/unlock switch (and its integrated "auto down" module). Power is supplied to the power window relay and the master window/door lock/unlock switch, and the passenger power window switch when the SEC/timer module grounds the coil side of the power window relay. The SEC/timer module will ground this relay when the ignition is in the ON position and will remain energized for approximately 15 minutes or until the driver or passenger door is opened.
The driver power window regulator motor is a reversible motor that is operated by applying power and ground to the motor leads to lower the window, and then reversing polarity on those leads to raise the window.
The passenger power window regulator motor is controlled directly by the passenger power window switch and can also be controlled by the master window/door lock/unlock switch. Power is supplied to the power window relay and the master window/door lock/unlock switch, and the passenger power window switch when the SEC/timer module grounds the coil side of the power window relay. The SEC/timer module will ground this relay when the ignition is in the ON position and will remain energized for approximately 15 minutes or until the driver or passenger door is opened.
The passenger power window regulator motor is a reversible motor, which is operated by applying power and ground to the motor leads to lower the window, and then reversing polarity on those leads to raise the window.
The power rear quarter glass is also directly controlled by the master window/door lock/unlock switch. The power rear quarter glass power latches also utilize reversible motors. The power rear quarter glass power latches are operated by applying power and ground to the motor leads to open the window, and then reversing polarity on those same leads to close the window.
Visual Inspection Chart Mechanical Electrical
  • Improperly aligned window
  • Damaged window mounting
  • Window frame interference
  • Central junction box (CJB) Fuses:
    • F30 (10A)
    • F32 (20A)
    • F34 (20A)
    • F59 (7.5A)
  • Battery junction box (BJB) Fuses:
    • F20 (30A)
    • F27 (45A)
  • Switches
  • Circuits
  • Connectors
  • Heated back light
  • Relays
Which window is not working ?
  • Single power window is inoperative
  • Front door power window switch.
  • Front door power window regulator.
  • Circuit.
  • Driver door power window switch.
  • GO to Pinpoint Test B .

Apr 07, 2015 | 2002 Mercury Villager

1 Answer

Which Relay/Fuse controls the power windows?


Did you check for battery voltage at the switch , with a volt meter before you replaced the main driver door switch ? Maybe you'll want to take this to pro ,instead of just replacing parts !
Symptom Chart Condition Possible Sources Action
  • No communication with the smart junction box (SJB)
  • Circuitry
  • SJB
  • REFER to Section 419-10 .
  • A single power window is inoperative - driver front power window is inoperative/does not operate correctly
  • Power window motor regulator and motor
  • Circuitry
  • Window control switch
  • Smart junction box (SJB)
  • Go To Pinpoint Test A .
  • A single power window is inoperative - passenger front, left rear or right rear
  • Power window motor regulator and motor
  • Circuitry
  • Window control switch
  • Go To Pinpoint Test B .
  • All power windows are inoperative
  • Smart junction box (SJB) fuse 30 (10A)
  • SJB circuit breaker 10 (30A)
  • Circuitry
  • Delayed accessory relay
  • Battery saver relay
  • Driver window control switch
  • SJB
  • Go To
PINPOINT TEST C: ALL POWER WINDOWS ARE INOPERATIVE Test Step Result / Action to Take C1 CHECK FOR CORRECT OPERATION OF THE INTERIOR LIGHTS
  • Turn on the interior lights.
  • Do the interior lights operate normally?
Yes
GO to C2 .

No
To continue diagnosis, REFER to Section 417-02 . C2 CHECK CIRCUIT 400 (LB/BK) FOR VOLTAGE TO THE DRIVER WINDOW CONTROL SWITCH
  • Disconnect: Driver Window Control Switch C504b.
  • Key in ON position.
  • Measure the voltage between the driver window control switch C504b pin 4, circuit 400 (LB/BK), harness side and ground.
    >
  • Is the voltage greater than 10 volts?
Yes
GO to C4 .

No
GO to C3 . C3 CHECK CIRCUIT 400 (LB/BK) FOR AN OPEN OR SHORT TO GROUND
  • Key in OFF position.
  • Disconnect: SJB C2280c.
  • Measure the resistance between the driver window control switch C504b pin 4, circuit 400 (LB/BK), harness side and the SJB C2280c pin 17, circuit 400 (LB/BK), harness side; and between the driver window control switch C504b pin 4, circuit 400 (LB/BK), harness side and ground.
    >
  • Is the resistance less than 5 ohms between the driver window control switch and the SJB; and greater than 10,000 ohms between the driver window control switch and ground?
Yes
Go To Pinpoint Test H

No
REPAIR the circuit. TEST the system for normal operation.

Mar 24, 2015 | 2004 Mercury Sable

1 Answer

I have an 2003 Acura TL-S. The drivers window will not go up or down. try the new switch and checked the motor both are fine. fuses all check OK. But can't fine the relay to check


Until you get yourself a wiring diagram & change the
way you go about testing electrical circuits-your done

Why a new switch--no testing of the old one?

Checked the motor how-removed the door panel
& put battery voltage directly to --it in both directions?

All the other windows work?

No power to the window switch (need wiring diagrams there)

Wiring going into door not a problem !

Sep 24, 2014 | 2003 Acura 3.2TL

1 Answer

I have a 2007 Mercury Mariner. The power windows just stopped working. It seems like a switch or something not the motor since there is no sound at all when the buttons are pushed. The lock buttons work on...


There is a black rubber flex boot between the body an the door ,power and ground wire's for the switch run through it . Opening an closing the door over time can cause the wires to break . Pulling the door inside trim panel to get to the switch wiring connector to test for B+ voltage an ground is the way to test electrical . Looking at a wiring diagram to see what wire is what should be done also. Do power lock's work ?

Window Operation
The window system operates under the control of the accessory delay relay. The smart junction box (SJB) will ground the coil side of the accessory delay relay when the ignition switch is in the ON position. When the accessory delay relay is active, power is supplied to each window control switch. The window control switches direct power and ground to the appropriate power window motor.

If the other windows work ,it's not a fuse problem . Broken wire's ,master switch !

Oct 15, 2017 | Mercury Mariner Cars & Trucks

3 Answers

RF power window not working properly on 2001 toyota highlander


There should be a relay. Probably located in the PDU box under the hood. If not the motor might be going bad.

May 24, 2009 | 2006 Toyota Highlander

1 Answer

Rear side windows


This may be just a case of inadvertently hitting the window lock out n th driver door window switch by mistake. Check that first. Here's some background on window operation

Principles of Operation
The driver power window regulator motor is controlled directly by the master window/door lock/unlock switch (and its integrated "auto down" module). Power is supplied to the power window relay and the master window/door lock/unlock switch, and the passenger power window switch when the SEC/timer module grounds the coil side of the power window relay. The SEC/timer module will ground this relay when the ignition is in the ON position and will remain energized for approximately 15 minutes or until the driver or passenger door is opened.
The driver power window regulator motor is a reversible motor that is operated by applying power and ground to the motor leads to lower the window, and then reversing polarity on those leads to raise the window.
The passenger power window regulator motor is controlled directly by the passenger power window switch and can also be controlled by the master window/door lock/unlock switch. Power is supplied to the power window relay and the master window/door lock/unlock switch, and the passenger power window switch when the SEC/timer module grounds the coil side of the power window relay. The SEC/timer module will ground this relay when the ignition is in the ON position and will remain energized for approximately 15 minutes or until the driver or passenger door is opened.
The passenger power window regulator motor is a reversible motor, which is operated by applying power and ground to the motor leads to lower the window, and then reversing polarity on those leads to raise the window.
The power rear quarter glass is also directly controlled by the master window/door lock/unlock switch. The power rear quarter glass power latches also utilize reversible motors. The power rear quarter glass power latches are operated by applying power and ground to the motor leads to open the window, and then reversing polarity on those same leads to close the window.
Symptom Chart Condition Possible Sources Action
  • All windows are inoperative
  • BJB Fuse:
    • F20.
  • Circuit.
  • Power window relay.
  • Front door power window switch.
  • GO to Pinpoint Test A .
  • Single power window is inoperative
  • Front door power window switch.
  • Front door power window regulator.
  • Circuit.
  • Driver door power window switch.
  • GO to Pinpoint Test B .
  • Vent power window is inoperative — quarter window glass power latch
  • Circuit.
  • Quarter window glass switch.
  • Quarter window glass power latch.
  • GO to Pinpoint Test C .
  • The one touch down feature is inoperative
  • Master window regulator and door lock switch.
  • INSTALL a new master window/door lock/unlock switch. REFER to Switch—Master Window Door Lock/Unlock .
  • The back window will not defrost
  • CJB Fuses:
    • F30 (10A).
    • F32 (20A).
    • F34 (20A).
  • BJB Fuse:
    • F27 (45A)
  • Circuit.
  • Heated back window switch.
  • SEC/timer module.
  • Rear window defrost relay.
  • GO to Pinpoint Test D .
  • The back window defrost will not shut off automatically
  • SEC/timer module.
  • Circuit.
  • Rear window defrost relay.
  • GO to Pinpoint Test E .

Jan 28, 2009 | 1999 Mercury Villager

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