Question about 1997 Chrysler Town & Country

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I also have 1996 t & c with door actuator problems

When the lock actuators are pushed the locks either do not open or partially open until the switch is pushed several times. Do I have a wiring problem or a switch problem ?

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  • jhutchensr Aug 27, 2008

    Thanks for the answer on my 1997 T&C blower problem.

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The mechanical portions may be jamming, my Volvo got so bad on this, that I had to remove the keylock rod from the driver side.
Before going that far though, try spraying some lubricant on all of your lock's mechanical parts. If it's purely a mechanical problem, this will likely let your locks work correctly.
However, if one of the rods is bent, or the keylock is severly damaged, this will also prevent your locks from working correctly. Bent rod+replace that rod or assembly. If it's the keylock, you will have to get a new one.

Posted on Aug 27, 2008

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2005 Buick Rendezvous you can hear the relay clicking but the door locks will not open and close


Check for broke wires inside the boot from body to driver door , this is a common problem . If you don't find broke wire's , pull the door panel to get at driver door switch . Check for voltage an ground circuit .
Rendezvous Door Lock System Components
The power door lock system consists of the following components:
?€¢
Body control module (BCM)


?€¢
Driver door lock switch


?€¢
Front passenger door lock switch


?€¢
Door lock actuators in each of the doors


?€¢
Door lock system fuse into the BCM (BCM D 25A fuse)


Door Lock Operation
When the BCM detects a transition of either of the door lock switches to the LOCK position, it switches the door lock actuator lock control circuit to voltage. Since the lock actuator unlock control circuits are at ground potential within the BCM, the door lock actuator motors transition to the Lock position.
Driver Door Unlock Operation
When the BCM detects a transition of either of the door lock switches to the UNLOCK position, it switches the driver door lock actuator unlock control circuit to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the LF door lock actuator motor transitions to the Unlock position.
The driver door lock actuator unlock control circuit is a dedicated control circuit used only for the driver door lock actuator motor. This is done so that the driver door may be unlocked by itself using a keyless entry transmitter or an automatic door unlock function (if programmed).
Passenger Door Unlock Operation
When the BCM detects a transition of either of the door lock switches to the UNLOCK position, it switches the door lock actuator unlock control circuits to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the passenger door lock actuator motors transition to the Unlock position.
The door lock actuator unlock control circuits are dedicated control circuits used only for the passenger door lock actuator motors. This is done so that the driver door may be unlocked seperate from the passenger doors using a keyless entry transmitter or an automatic door unlock function (if programmed). This video on testing computer controlled door locks on a Subaru , doesn't matter . test yours same way > The BCM controls your door locks .
Are all of the power door locks inoperative from both door lock switches?

Oct 12, 2016 | 2005 Buick Rendezvous

1 Answer

2002 Cadi Deville, can't get any locks to operate with remote or dash push buttons, the remote operates everthing but the locks! When the remote door lock is pressed, lites flash,horn blows locks not.


Power Door Lock Operation
The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door, but the rear integration module (RIM), which is the master control for the door lock system, determines when the lock functions are permitted. The RIM receives and examines the requested lock function from the individual door modules, or from the remote function actuator (RFA) via the class 2 serial data circuit. The RIM also examines the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. If the RIM determines that a lock or unlock function is permitted, it sends a class 2 message back to the individual door modules commanding them to perform that Lock or Unlock function.
Power Door Lock Components
The power door lock system consists of the following components:
?€¢
Driver door lock switch


?€¢
Passenger front door lock switch


?€¢
LH rear door lock switch


?€¢
RH rear door lock switch


?€¢
LH middle door lock switch (w/ V4U)


?€¢
RH middle door lock switch (w/ V4U)


?€¢
Driver door switch assembly (DDSA)


?€¢
Driver door module (DDM)


?€¢
Passenger front door module (PDM)


?€¢
LH rear door module (LRDM)


?€¢
RH rear door module (RRDM)


?€¢
Left middle door module (LMDM) (w/ V4U)


?€¢
Right middle door module (RMDM) (w/ V4U)


?€¢
Driver door lock actuator


?€¢
Passenger front door lock actuator


?€¢
LH rear door lock actuator


?€¢
RH rear door lock actuator


?€¢
LH middle door lock actuator (w/V4U)


?€¢
RH middle door lock actuator (w/ V4U)


?€¢
Driver door cylinder unlock switch


?€¢
Rear integration module (RIM)


?€¢
DRVMDL fuse (10-amp)


?€¢
PASS MDL fuse (10-amp)


?€¢
RRDR MDL fuse (10-amp)


?€¢
Class 2 serial data link

Sep 27, 2016 | 2002 Cadillac Deville

1 Answer

07grandprix my door locks are all actin up sometimes they work & sometimes they dont I can set the alarm even tho they wont lock & the alarm goes off if u open the door but won't lock with the key/pad


The Power Door Lock System is controlled by the body control module (BCM) and can be activated by any one of the following
?€¢
A door lock switch lock or unlock actuation.


?€¢
A door lock cylinder switch unlock actuation.


?€¢
A keyless entry transmitter actuation.


?€¢
An automatic door lock actuation (Personalization function).


?€¢
An automatic door unlock actuation (Personalization function).


?€¢
A last door closed locking (LDCL) actuation (Personalization function).


Door Lock Operation
When the body control module (BCM) detects a transition of either of the door lock switches to the lock position, it switches the door lock actuator lock control circuit to voltage. Since the lock actuator unlock control circuits are at ground potential within the BCM, the door lock actuator motors transition to the lock position.
Driver Door Unlock Operation
When the body control module (BCM) detects a transition of either of the door lock switches to the unlock position, it switches the driver door lock actuator unlock control circuit to voltage. Since the door lock actuator lock control circuit is at ground potential within the BCM, the left front (LF) door lock actuator motor transitions to the Unlock position.
The driver door lock actuator unlock control circuit is a dedicated control circuit used only for the driver door lock actuator motor. This is done so that the driver door may be unlocked by itself using a keyless entry transmitter or an automatic door unlock function (if programmed).
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections.
A factory scan tool would help for checking inputs from the door switches to the BCM ! You could do it with out scan tool , a lot more work involved ! Need a wiring diagram an a component location chart an wiring harness routing diagram !
Most intermittent conditions are caused by faulty electrical connections or wiring. Inspect for the following items:
?€¢
Wiring broken inside the insulation


?€¢
Poor connection between the male and female terminal at a connector


?€¢
Poor terminal to wire connection--Some conditions which fall under this description are poor crimps, poor solder joints, crimping over the wire insulation rather than the wire itself, and corrosion in the wire to terminal contact area, etc.


?€¢
Pierced or damaged insulation can allow moisture to enter the wiring causing corrosion. The conductor can corrode inside the insulation, with little visible evidence. Look for swollen and stiff sections of wire in the suspect circuits.


?€¢
Wiring which has been pinched, cut, or its insulation rubbed through may cause an intermittent open or short as the bare area touches other wiring or parts of the vehicle.


?€¢
Wiring that comes in contact with hot or exhaust components


?€¢
Refer to Inducing Intermittent Fault Conditions in order to duplicate the conditions required, in order to verify the customer concern.


?€¢
Refer to Testing for Electrical Intermittents for test procedures to detect intermittent open, high resistance, short to ground, and short to voltage conditions.


?€¢
Refer to Scan Tool Snapshot Procedure for advanced intermittent diagnosis and Vehicle Data Recorder operation.


You should take it to a ASE certified repair shop if not familiar with Automotive electronics !

Jul 14, 2015 | Cars & Trucks

1 Answer

What is a door lock actuators


it's the tiny motor that pushes the door lock open or shut.
an 'actuator' actuates the lock. thus, actuator.

Aug 19, 2014 | 2010 Hyundai Sonata 2.0

1 Answer

Got a 1996 ford explore n locks on the front doors don't work when I push the bottoms only in the back can some one please help me


Remove one of the door panels, and check for voltage at the lock solenoids when you actuate the switch. If there is voltage but the solenoids do not operate, replace the solenoids. If there is no voltage present when you actuate the switch, lubricate the switch and it will likely begin to work again.

May 15, 2014 | Cars & Trucks

1 Answer

Passenger door lock does not lock front passenger door but operates other door locks; and pass window control inop


Clean contacts on switch panels if this doesn't work check to see if when you hit switch that you are getting power at the actuator. you may need new actuator but most likely you contacts at switches are the problem

Mar 18, 2013 | 1996 Jeep Grand Cherokee

2 Answers

Hi, problem with AU falcon Door locks, when remote is pushed locks cycle three to four times but remain open, and horn beeps, have disconected all locks individually but no change.


The horn souds to alert you to the fact that the vehicle has not locked correctly, this is normal. The cycling of the door locks is a common fault. Inside the door actuators there are two switches which tell the control unit when the doors are locked or unlocked. If you issue a lock command (from the remote) and the control unit does not receive the correct signal from these switches, the control unit unlocks the doors and sounds the horn. Disconnecting the door actuators has the same effect as this prevents the door lock sensors from sending the correct signal to the controller. So, the cause is usually one of the door locks has been contaminated with water and the contacts have corroded. You cannot disassemble the door actuators to clean the contacts, you can only replace the entire actuator. Water (usually from rain) gets past the window seal, drips onto the lock mechanism and then runs down the actuator rod and into the actuator. It then sits in the bottom of the actuator damaging the contacts. Now, its usually the drivers door actuator as this is the door and window used the most but, If any of the windows have been left open or partially open, water will get into the actuators causing this problem. If the vehicle has been involved with the floods, the same can happen. Replacement is quite simple but make sure you get the rivets which hold the actuators inside the door as using nuts and bolts is very difficult and may foul on the window as it winds down. Remove the door fittings and the inner door trim, cut the seal in a manner which allows you to reseat it and wind the window all the way up. Disconnect the wiring harness to the lock and drill out the rivets. carefully remove the linkage rod and dont break the clip. Fit the new actuator to the linkage and connect the wiring again. Hold onto the actuator and cycle the door locks holding the courtesy lamp switch in. If all is well, the doors should now lock correctly. If all is well, refit the actuator with the new rivets and refit the door seal and trim etc.. Done..

Feb 05, 2011 | Ford Fairmont Cars & Trucks

1 Answer

The doors lock automatically on my daughter's '99 Cougar. This has happened to me when I left the keys in the ignition and closed the driver's door. After AAA came and unlocked the doors, I removed the...


shorted wiring in doors or shorted door lock actuator in door. A grounding of a wire makes them lock normally. SO, any bare wire touching metal will ground it and lock the doors.

Principles of Operations
The Door Switch Lock Function When a door lock switch is moved into the lock position or a door lock cylinder is rotated to the lock position, the door lock switch grounds the lock circuit input to the central security module (CSM). The CSM then provides 12 volts to one side of the door lock actuators contained in the door latch unit and simultaneously grounds the other side of the door lock actuators. This completes the door lock actuator circuit, causing the door lock actuators to rotate a cam assembly, which then locks the doors. The 12 volts that the CSM provides to the door lock actuators are provided to both door lock actuators from a single pin on the CSM electrical connector.
The Door Switch Unlock Function When a door lock switch is moved into the unlock position, the door lock switch grounds the unlock circuit input to the CSM. The CSM then provides 12 volts to the opposite side (relative to locking the door) of the door lock actuator(s) contained in the door latch unit and simultaneously grounds the other side of the door lock actuator(s). This completes the door lock actuator circuit, causing the door lock actuator(s) to rotate a cam assembly in the opposite direction, which the unlocks the door(s). The 12 volts which the CSM provides to the door lock actuator(s) are provided to each door lock actuator from the individual pins on the CSM electrical connector.
--------------------------------------------------------
CSM Self-Test The CSM has a self-test which can be entered into by using a diagnostic tool. This self-test will monitor the following CSM door lock inputs:
  • Unlock switch (DTC B1311)
  • Lock switch (DTC B1300)
  • Exterior lock switch (DTC B1309)
  • Exterior unlock switch (DTC B1341)
Before running the self-test, the following conditions must be met:
  • The ignition switch must be in position II
  • The driver and passenger doors must be unlocked
  • The driver and passenger doors must be opened
  • The hood and liftgate must be closed
  • The set/reset switch, and liftgate release switch are not actuated
It is important to note that all of the diagnostic trouble codes (DTCs), with the exception of B1551 and B1553 can be retrieved with the self-test. DTCs B1551, and B1553 are continuous and will only be retrieved if the liftgate release is operated prior to retrieving the continuous DTCs.
Inspection and Verification
  1. NOTE: Make sure that the battery is fully charged before starting electrical diagnosis.
    NOTE: Prior to carrying out the CSM Self-Test, make sure that both the driver and passenger doors are open.
    Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Binding latch mechanisms
  • Binding linkage
  • Misaligned door
  • Central junction box (CJB) fuse(s)
  • Wiring harness
  • Electrical connector(s)
  • Door lock switch(es)
  • Door lock actuator(s)


Module Controlled Functions
The central security module (CSM) covers the following functions:
  • Central door locking
  • Double door locking
  • Anti - theft alarm incorporating
    • forced entry
    • radio theft
  • Radio frequency remote control of
    • central door locking
    • panic alarm
    • driver door unlock
    • liftgate unlock
For additional information, refer to Section 419-01A Anti - Theft - Active, Section 501-14A Handles, Locks, Latches and Mechanisms, and Section 501-14B Keyless Entry/Computer Operated Locks.

The CSM is in the passenger side kick panel I think.

Good luck

Jan 25, 2011 | 1999 Mercury Cougar

1 Answer

Camry 1996 automatic power lock doen't work, but windows work.


if you can here relays when unlocking/locking check for power at door lock actuators inside doors, if you have power on lock/unlock and good earth from connector actuators are faulty.
if no power on test light when operating check output from central door lock module while operating, none coming out of module then it might need replacing.
check 30Amp power fuse for main relay under bonnet (which goes to pin 8 white/blue on module)and 10Amp gauge fuse in cab(pin 1 blue/red on module),pin 15 is also power when relay is on(red/blue) with test light, and module/ actuators.
check outputs from module pin 3 & 4
blue/red
blue/black
that go to door locks

Jul 20, 2009 | 1996 Toyota Camry

1 Answer

1996 Ford Bronco door lock actuator


These directions might sound a little goofy. I'm trying to orient your location with front and rear rather then left and right because it depends on which door you are working on. Front is towards front of rig and rear, oh I think you get it.
1. Close window on door. 2. Using a flat screw driver pop off trim under inside door handle. I think there is a groove in the plastic to which the screw driver can be inserted. Remove screw. 3. Using same screw driver pop off trim panel with door lock and window control switches. Start lifting from end located at panel closest to the front of the rig. The panel towards the back end has a pivot point which holds the back of the panel into the arm rest. Dis-connect the two switches from the trim panel. 4. Again, using flat screw driver, pop off the trim pannel located at the upper door/window frame nearest the back of the rig. Remove screw. 5. Lift up the door panel to remove. Be careful the light bulb is attached to the door panel. Rotate light socket 90 degrees and remove. 6. From the rear of the door pull back the platic stick-on barrier. Don't remove the whole thing just pull it leaving about half of it towards the front of the door stuck on. 7. Remove the one 11mm bolt, located towards the bottom of door, which holds the rearwindow guide. Don't remove the two 11mm bolts which hold the horizontal brace. Nothing else needs to be removed, leave all rods and attachments in place. They all attach the the door latch and are not of any further concern.
8. Now the easy part. The actuators and door latches are separate components. The actuator slides onto the door latch via two metal guides located on the door latch. The actuator is held into place with a plastic locking tab. The locking tab is part of the actuator housing. 9. This tab has to be pushed in to release actuator from latch. 10. Find on ouside of door - rear where the latch fingers? (I don't know what else to call them) are located in the notched door frame. At the bottom of the notch is a very narrow opening, just a ****. This **** allows access to the locking tab on the actuator. 11. Orient the screw driver in the end of the **** closest to the interior. Working on a right door, looking at the locking fingers, facing the front of the rig, your screw driver would be inserted at the left side of the ****. Pushing a flat screw driver into the **** will push the locking tab allowing the actuator to slide off the door latch. 12. A flat screw driver or other small pry tool can be inserted between the actuator and the door lock to help slide the actuator off the metal guides. The pry unit can be inserted where the rod from the interior manual door lock stem is attached. Mine had a yellow snap/flip keeper. 13. The actuator slides off from the interior towards the outside door panel. 14. Simple put pressure onto the locking tab with one screw driver and gently pry with the other one and the actuator should slide right off.
15. I picked up an actuator at a u-pull it wrecking yard for five bucks and it worked fine. Dealer wanted $90.00 and auto parts wanted $127.00. When I pulled my actuator from the wrecked rig all door panels and interior where stripped. It took me literally 20 seconds to pull the actuator. 16. To install new unit slide actuator onto door latch rails and let locking tab click into place. You might have to manually move the interior door lock stem up and down until the finger on the actuator lines up with a hole on the plastic part of the interior lock stem.
16. I Want to thank TommyRox in Texas on Ford Truck World and rivguy on automotiveforums.com for their posts.

Jun 18, 2008 | 1996 Ford Bronco

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