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How to replace power lock sensor. Switch will not open locks, battery has been changed.

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  • dojoy Dec 10, 2009

    Sorry
    Not used to using site. It is a 2000 TownCar Executive
    The power Fob quit working, I have two and changed the batteries on both and will still not work.

  • dojoy Dec 10, 2009

    Don't know if my answer went thru before. It is a 2000 Towncar, Executive series. I changed the batteries in both Fobs and they will still not open the doors nor the trunk.
    Thanks
    Don

  • TimtheStick
    TimtheStick May 11, 2010

    That doesn't sound like a "sensor", it's likely a "switch". What year Lincoln Town car is this?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 99 4-runner limited-power door locks dont lock, but will unlock

check for loose ground at drivers side switch

Posted on Dec 28, 2008

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SOURCE: power door lock switch replacement




Remove or Disconnect

Door handle trim plate.

  1. .Install or Connect

  2. Electrical connector and door lock cable.
  3. Trim panel by engaging hooks on backside of panel.
  4. Push pin fastener in defroster duct.
  5. Screw from behind lamp assembly.
  6. Courtesy lamp assembly.
  7. Two screws in arm rest.
  8. Arm rest cover plate.
  9. Door handle trim plate.
There May Be A Need to Drill Out RIVETS that Hold Motor in place,. Just Replace with>>MACHINED SCREWS & BOLT'S




Remove or Disconnect

  1. Trim panel. See: Doors, Hood and Trunk\Doors
  2. Four tabs retaining switch.
  3. Electrical connector.
Install or Connect

  1. Electrical connector.
  2. Snap switch into trim panel.
  3. Trim panel.

Posted on Mar 14, 2009

  • 129 Answers

SOURCE: Remote control no longer opens the lock

Sounds like the button to unlock doors on the fob is worn out. You can purchase a new one or used from your local recycle yard.

Posted on Jun 01, 2009

  • 1 Answer

SOURCE: where is power door lock relay on 1999 ford

Found this answer in anotherr forum and works for me. Power Door Lock Relay Location

  • Aux Relay Box #4 is in the rear driver's side removable panel with the tire jack.
  • This Relay box holds the Door Lock / Unlock relays (ice cube type). It also holds the Driver Door Unlock Relay and the ACC Lights Relay (rectangular relays).
  • Posted on Oct 10, 2009

    • 6982 Answers

    SOURCE: 2001 Jeep Cherokee sport. Power door lock won't

    Lock and unlock both run off the same power supply...I'd be looking for a bad switch or a broken wire in the door harness where the wires go through the rubber boot between the door and pillar.

    Posted on Feb 08, 2010

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    1 Answer

    2007 Buick Lacrosse Door Locks not working getting weak


    Important: If all 3 passenger door locks are inoperative from both door lock switches, test the unlock control circuit between the splice and the BCM for an open.? Do you know how to do this ? Looking at a wiring diagram an using a DMM - digital multi-meter ?
    Free wiring diagrams here http://www.bbbind.com/free-tsb , enter vehicle info. year , make , model an engine size . under system click on body & accessories , then under subsystem click on power locks . Click search button then the blue link . Or maybe your best bet mite be to take it to a qualified repair shop. You would need factory service repair info. to find splice location .

    Power Door Locks Inoperative - Passenger Door
    Step
    Action
    Yes
    No
    Schematic Reference: Door Lock/Indicator Schematics
    Connector End View Reference: Vehicle Access Connector End Views
    DEFINITION: One or all 3 of the passenger door lock actuators do not operate, or, the front passenger door lock switch does not operate.
    1
    Did you perform the Diagnostic System Check - Vehicle?
    Go to Step 2
    Go to Diagnostic System Check - Vehicle
    2
    Verify that the Power Door Locks Inoperative - Passenger Door fault is present.
    Do the door locks operate as described in Power Door Locks Description and Operation ?
    Go to Testing for Intermittent Conditions and Poor Connections
    Go to Step 3
    3
    Are all 3 of the passenger doors locks inoperative from both door lock switches?
    Go to Step 10
    Go to Step 4
    4
    Install a scan tool.
    Close all of the vehicle doors.
    With the scan tool, observe the Right Front (RF) Door Lock Switch parameter in the Data Display, Inputs list of the body control module (BCM).
    Operate the front passenger door lock switch to both the LOCK and UNLOCK positions.
    Did the parameter change to both the LOCK and UNLOCK states?
    Go to Step 7
    Go to Step 5
    5
    Important: If the 3-amp fuse of the jumper wire opens when the jumper wire is connected, test the appropriate signal circuit for a short to battery positive voltage.
    Disconnect the harness connector of the front passenger door lock switch.
    Connect a 3-amp fused jumper wire between the lock switch lock signal circuit of the harness connector and a ground.
    Observe the RF Door Lock Switch parameter.
    Connect the 3-amp fused jumper wire between the lock switch unlock signal circuit of the harness connector and a ground.
    Observe the RF Door Lock Switch parameter.
    Did the Scan Tool parameter change to the both the LOCK and UNLOCK states?
    Go to Step 6
    Go to Step 8
    6
    Connect the 3-amp fused jumper wire between the lock switch lock signal circuit and the ground circuit of the harness connector while observing the appropriate Scan Tool parameter.
    Did the Scan Tool parameter change to the LOCK state?
    Go to Step 11
    Go to Step 14
    7
    Disconnect the harness connector of the inoperative door lock actuator.
    Connect a test lamp between the door lock actuator lock control circuit and the door lock actuator unlock control circuit of the harness connector.
    Operate the front passenger door lock switch to the LOCK and UNLOCK positions.
    Did the test lamp illuminate in both positions?
    Go to Step 13
    Go to Step 9
    8
    Test the signal circuits of the front passenger door lock switch for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs .
    Did you find and correct the condition?
    Go to Step 18
    Go to Step 12
    9
    Test the lock control circuit of the inoperative door lock actuator for an open. Refer to Circuit Testing and Wiring Repairs .
    Did you find and correct the condition?
    Go to Step 18
    Go to Step 10
    10
    Important: If all 3 passenger door locks are inoperative from both door lock switches, test the unlock control circuit between the splice and the BCM for an open.
    Test the unlock control circuit of the inoperative door lock actuator for an open. Refer to Circuit Testing and Wiring Repairs .
    Did you find and correct the condition?
    Go to Step 18
    Go to Step 12
    11
    Inspect for poor connections at the harness connector of the front passenger door lock switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
    Did you find and correct the condition?
    Go to Step 18
    Go to Step 15
    12
    Inspect for poor connections at the harness connector of the BCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
    Did you find and correct the condition?
    Go to Step 18
    Go to Step 16
    13
    Inspect for poor connections at the harness connector of the inoperative door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
    Did you find and correct the condition?
    Go to Step 18
    Go to Step 17
    14
    Repair the open ground circuit of the front passenger door lock switch. Refer to Circuit Testing and Wiring Repairs .
    Did you complete the repair?
    Go to Step 18
    --
    15
    Replace the front passenger door lock switch. Refer to Front Side Door Lock Replacement .
    Did you complete the replacement?
    Go to Step 18
    --
    16
    Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
    Did you complete the replacement?
    Go to Step 18
    --
    17
    Replace the inoperative door lock actuator. Refer to Front Side Door Lock Actuator Replacement
    Did you complete the replacement?
    Go to Step 18
    --
    18
    Operate the system in order to verify the repair.
    Did you correct the condition?
    System OK
    Go to Step 2

    Jul 10, 2018 | Buick Cars & Trucks

    1 Answer

    2011 Ford Fiesta 5 speed manual base model no key fob ONLY drivers side door lock w key. Mechanism in drivers side door lock not catching not working will not lock or unlock. Electronics inside at console...


    LOCKING AND UNLOCKING
    You can use the power door lock control or the remote control to lock and unlock your doors and tailgate.See Tailgate Lock.
    Power Door Locks
    The power door lock control is on the driver and front passenger door panels.

    AUnlock.
    BLock. Remote Control
    You can use the remote control at any time your vehicle is not running.
    Unlocking the Vehicle (Two-Stage Unlock)
    Press the button to unlock the driver door. Press the button again within three seconds to unlock all doors.The direction indicators flash. The direction indicators flash twice to confirm the change. The unlocking mode applies to the remote control, keyless entry keypad and intelligent access.
    Press and hold both the lock and unlock buttons on the remote control for four seconds to disable or enable two-stage unlocking. Disabling two-stage unlocking allows your entire vehicle to unlock with one press of the button.
    Intelligent access at the driver door unlocks your entire vehicle when you disable two-stage unlocking.
    Locking the Vehicle
    Press the button to lock all doors.The direction indicators flash.
    Press the button again within three seconds to confirm that all the doors are closed.The doors lock again, the horn sounds and the direction indicators flash if all the doors are closed.
    Mislock
    If any door is open, or if the hood is open on vehicles with an anti-theft alarm or remote start, the horn sounds twice and the direction indicators do not flash.
    Activating Intelligent Access
    General Information
    You can unlock and lock the vehicle without taking the keys out of your pocket or purse when your intelligent access key is within 3 ft (1 m) of your vehicle. Intelligent access uses a sensor on the back of the door handle for unlocking and a separate sensor on the face of each door handle for locking.
    The system does not function if:
    • Your vehicle battery has no charge.
    • The key battery has no charge.
    • The key frequencies are jammed.
    Note: The system may not function if the key is close to metal objects or electronic devices, for example keys or a cell phone.
    Note: If the system does not function, use the key blade to lock and unlock your vehicle. See Remote Control.
    Unlocking Using Intelligent Access
    With your intelligent access key within 3 ft (1 m) of your vehicle, touch the unlock sensor on the back of the door handle for a brief period and then pull on the door handle to unlock, being careful to not touch the lock sensor at the same time or pulling the door handle too quickly. The intelligent access system requires a brief delay to authenticate your intelligent access key fob.
    Locking Using Intelligent Access
    With your intelligent access key within 3 ft (1 m) of your vehicle, touch the outer door handle lock sensor for approximately one second to lock, being careful to not touch the unlock sensor on the back of the door handle at the same time. After locking, you can immediately pull on the door handle to confirm locking occurred without inadvertently unlocking.
    Note: Do not use the outside door handle as a roof cargo strap.
    At the Electronic Tailgate (If Equipped)
    Press the exterior tailgate release button inside of the tailgate handle. The tailgate unlocks and opens. See Electronic Tailgate.
    Smart Unlock
    This feature helps to prevent you from locking your intelligent access key inside your vehicle's passenger compartment or rear cargo area.
    If you leave your key in the ignition, when you open the driver door and lock your vehicle with the power door lock control, the doors lock then unlock.
    You can still lock your vehicle with the key in the ignition by:
    • Using the manual lock on the inside of the door.
    • Locking the driver door with a key.
    • Using the keyless entry keypad.
    • Using the lock button on the remote control.
    Smart Unlocks for Intelligent Access Keys
    This feature helps to prevent you from locking your intelligent access key inside your vehicle's passenger compartment or rear cargo area.
    When you lock your vehicle using the power door lock control (with the door open, vehicle in park and ignition off), your vehicle searches for an intelligent access key in the passenger compartment after you close the door. If your vehicle finds a key, all of the doors immediately unlock.
    In order to override the smart unlock feature and intentionally lock the intelligent access key inside your vehicle, you can lock your vehicle after all doors are closed by using the keyless entry keypad, pressing the lock button on another intelligent access key or touching the locking area on the handle with another intelligent access key in your hand.
    When you open one of the front doors and lock your vehicle using the power door lock control, all doors lock then unlock if the ignition is on.
    Autolock
    Autolock locks all the doors when:
    • All doors are closed.
    • The ignition is on.
    • You shift into any gear putting your vehicle in motion.
    • Your vehicle reaches a speed greater than 12 mph (20 km/h).
    Autolock repeats when:
    • You open then close any door while the ignition is on and your vehicle speed is 9 mph (15 km/h) or lower.
    • Your vehicle reaches a speed greater than 12 mph (20 km/h).
    Autounlock
    Autounlock unlocks all the doors when:
    • The ignition is on, all the doors are closed, and your vehicle has been moving at a speed greater than 12 mph (20 km/h).
    • Your vehicle comes to a stop and you switch the ignition off or to the accessory position.
    • You open the driver door within 10 minutes of switching the ignition off or to accessory.
    Note: The doors do not autounlock if you electronically lock your vehicle after you switch the ignition off and before you open the driver door.
    Enabling or Disabling Autounlock
    You can enable or disable the autounlock feature in the information display or an authorized dealer can do it for you. See General Information.
    Illuminated Entry
    The interior lamps and select exterior lamps illuminate when you unlock the doors with the remote entry system.
    The illuminated entry system turns off the lights if:
    • The ignition is on.
    • You press the remote control lock button.
    • After 25 seconds of illumination.
    The dome lamp does not turn on if the control is set to the off position.
    The lights do not turn off if:
    • You switch them on with the dimmer control.
    • Any door is open.
    Battery Saver
    The battery saver turns off the interior lamps 30 minutes after you switch off the ignition if a door is open and the dome lamp switch is on. It turns off the interior lamps after 10 minutes if the dome lamp switch is off.
    Accessory Mode Battery Saver for Intelligent Access Keys (If Equipped)
    If you leave the ignition on after leaving your vehicle, it turns off 15 minutes after you close all of the doors.

    Mar 27, 2018 | Ford Cars & Trucks

    1 Answer

    Key remote won't lock the door change fuse and battery in remote still don't work


    Common Reasons Why Your Car Door Isn't Locking Properly The key fob battery is dead: This is one of the most common reasons why your car door lock is not working. If your locks aren't working, replacing the battery in the key fob could solve the issue. The key fob is faulty: If the battery isn't the problem, the issue may be with the fob itself. If you go to your car dealer, they can hook the fob up to a computer and make sure that the programming is still good. If it's not sending a signal, the fob will likely have to be replaced. A fuse is blown: If one door doesn't work, but others do, the problem could be a blown fuse. Replacing the fuse will correct the problem. This is a cheap and easy fix The solenoid is bad: Again, if one door doesn't work, but others do, the problem could be with the door lock solenoid. Replacing it may require removing the car door panel You have a broken wire: If the lock isn't getting power, hold the lock switch either up or down, and then open and close the door repeatedly to see if the lock will work. If it works sometimes, you probably have a broken wire

    Sep 28, 2016 | Cars & Trucks

    2 Answers

    What causes a malfunction in power locks?


    The power door locks are controlled by the BCM -body control module ! The door lock switch is an input to the BCM .
    The BCM, upon receipt of a door lock switch lock or unlock signal, will switch the appropriate door lock actuator control circuits to battery positive voltage. The opposing side of the door lock actuators are connected to ground internally within the BCM through the other door lock actuator control circuit and the doors will lock or unlock appropriately.
    First thing to do would be check power an ground circuits at the BCM ! Do you have any other systems not working -power windows etc...
    The DR/LCK fuse supplies battery positive voltage to the I/P fuse block for the door lock system. The body control module (BCM) supplies and monitors a reference voltage to the door lock switch through the door lock switch lock/unlock signal circuit. The door lock switch also receives a constant ground source. If a door lock switch is placed in the lock position or unlock position, the reference voltage is taken directly to ground and the BCM detects the voltage drop on the signal circuit.
    Should have BCM checked for stored DTC'S - diagnostic trouble codes !
    Ignition ON, observe the scan tool Driver Door Lock Sw, Psgr Door Lock Sw, Driver Door Unlock Sw and Psgr Door Unlock Sw parameters while using the driver and passenger door lock switches. The parameters should change between Active and Inactive.
    ?‡'
    If the values does not change between the commanded states, refer to Door Lock Switch Malfunction.

    Command the driver door and passenger door lock actuators to LOCK and UNLOCK with the scan tool, the doors should LOCK and UNLOCK when changing between commanded states.
    ?‡'
    If a door lock actuator does not perform the LOCK and UNLOCK functions, refer to Door Lock Malfunction


    DTC B3130 00: All Door Unlock Circuit

    DTC B3135 00: All Door Lock Circuit

    Aug 09, 2015 | 2010 Chevrolet Impala

    1 Answer

    Power door lock switch?


    Sounds like the drivers door lock switch is bad an as far as the auto start remote the contacts under the button get dirty and won't make contact, open the remote like changing the battery and you can probably get at the contact button, if it's a little carbon button they can be cleaned with a pencil eraser and then paper tower with a bit of rubbing alcohol, if it's an actual switch you can try spraying some contact cleaner into the switch. let it dry before you put the battery back in.

    Nov 11, 2012 | Ford F-150 Cars & Trucks

    1 Answer

    Power door locks wont work on chevy colorado 2005


    I really doubt one loose door latch will keep all the door locks from working . There are a lot of thing's involved in the power door locks ,relay's , wiring , master control switch etc..... Viewing wiring diagrams , testing electrical circuit's , PWR LOCKS 20A fuse etc....Are the power door locks and the driver power window inoperative?

    Did you review the Power Door Locks Description and Operation?
    YES - Go to Step 2
    NO - Go to Symptoms - Doors
    2
    Verify that the power door locks are inoperative.
    Do the power door locks operate normally?
    YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring System
    NO - Go to Step 3
    3
    Are the power door locks and the driver power window inoperative?
    YES - Go to Step 7
    NO - Go to Step 4
    4
    Are the power door locks inoperative from a single door lock switch?
    YES - Go to Step 5
    NO - Go to Step 6
    5
    Is the driver door lock switch the inoperative switch?
    YES - Go to Step 8
    NO - Go to Step 9
    6
    Is the driver door lock actuator the inoperative actuator?

    Test the battery positive voltage circuit of the drivers switch assembly for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 8
    8
    Test the ground circuit of the drivers switch assembly for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 13
    9
    Test the passenger door lock switch control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 12
    10
    Test the driver door lock actuator unlock control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 14
    11
    Test the door lock actuator control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 15
    12
    Test the passenger door lock switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 16
    13
    Inspect for poor connections at the harness connector of the drivers switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 17
    14
    Inspect for poor connections at the harness connector of the driver door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 18
    15
    Inspect for poor connections at the harness connector of the appropriate passenger door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 19
    16
    Inspect for poor connections at the harness connector of the passenger door lock switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
    Did you find and correct the condition?
    Go to Step 21
    Go to Step 20
    17
    Replace the driver switch assembly. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement .
    Did you complete the repair?
    Go to Step 21
    --
    18
    Replace the driver door lock actuator. Refer to Front Side Door Lock Replacement .
    Did you complete the repair?
    Go to Step 21
    --
    19
    Replace the appropriate passenger door lock actuator. Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement .
    Did you complete the repair?
    Go to Step 21
    --
    20
    Replace the passenger door lock switch. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement .
    Did you complete the repair?
    Go to Step 21
    --
    21
    Operate the system in order to verify the repair.
    Did you find and correct the condition?
    System OK
    Go to Step 2

    Jul 17, 2012 | Chevrolet Colorado Cars & Trucks

    1 Answer

    2007 toyota avalon keyremote won't open or lock my doors


    1) Check the battery, or replace the battery in the keyless remote transmitter 2) If battery is replace and still a no go, see if the power locks would open and close with the door lock/unlock switch in your car, and if they do, then your remote transmitter needs to be reporgram agian. If not then the power switch is damaged, or fuse blown. If transmitter needs reprogramming, please take it to your nearest dealship and they can do that for you, either free of charge or for a small fee.

    Jan 30, 2011 | 2007 Toyota Avalon

    2 Answers

    Door locks and power window


    Just did this procedure I got from coloradofans.com forums:

    "any type of power/voltage change seems to trigger this issue

    The most common symptom is power locks fail and only the driver window quits, however that is on the extended cab.

    Steps to fix and it works every time.

    take door panel off driver's door
    Disconnect the wiring attached to window and power lock control unit
    disconnect battery cables
    connect the negative to the positive cable(((NO BATTERY CONNECTED)))
    This will act to short residual voltage in the system

    5 minutes later
    place the key in the ignition and turn to the run position
    connect the wiring to the window/lock controller
    connect the negative cable to the battery
    then the positive
    open drivers side door
    turn key to the off position((do not remove yet)) you should get a series of dings through speakers telling you the key is still in the ignition
    once it begins dinging pull the key out and you should hear the door lock solenoids trigger and the windows should work." - Coloradofans.com forums

    Mar 01, 2010 | 2006 Chevrolet Colorado

    1 Answer

    I have a 2001 Lincoln LS. My rear passenger door


    you can try feeding the switch direct but you will need to find out which wire carries the power to the switch,this can be accomplished using a test light or small meter. when you find which wire carries the power to the switch then you by-pass the switch and put the power to the other side of the switch manually instead of using the switch and the door lock will undue ut self. then you can change the door lock actuator.

    Jul 30, 2009 | 2000 Lincoln LS

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