Question about 1997 Ford Expedition

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NO POWER TO DOOR LOCKS - 1997 Ford Expedition

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Start with checking all your fuses and relays. If all the fuses and relays are good you may have a problem with the door lock switch on the drivers side door.

Posted on Jul 13, 2010

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1999 blazer Doors lock and unlock even when parked, help


Lock an unlock by them selves ? Door locks are computer controlled ,by the BCM - body control module .
--------------------------------------------------------------------------------
Power Door Locks Circuit Description
The power door lock system includes the following components:
• The door lock actuators
• A door lock relay
• An door unlock relay
• A driver door unlock relay
• The door lock and side window switches
• The body control module (BCM)
• The endgate lock cylinder switch /liftgate lock cylinder switch (utility)
• The keyless entry, if equipped
The door lock and liftgate mechanisms may be controlled by the following switches:
• The door lock and side window switches
• The BCM
• The endgate lock cylinder switch / liftgate lock cylinder switch (utility)
• The keyless entry, if equipped
The following locking functions are included on the vehicle:
• All the doors unlock -- All the doors will unlock, including the endgate/liftgate, when any power door unlock switch is detected. The passenger doors lock directly by pressing the lock switches. The driver door unlocks by the BCM using a driver door unlock relay.
• All the doors lock -- All the doors will lock, including the endgate/liftgate, when any power door lock switch is activated. All the lock actuators will activate directly from the power door lock switch (external to the BCM).
• The end/lift gate lock switch -- All the doors will lock or unlock from the end/lift gate lock switch.
• The lockout prevention -- This function will prevent the doors from automatically locking if the keys have been left in the ignition and the power door lock switch is operated.
The motor is protected by a built-in electronic circuit breaker (ECB). If the motor is overloaded or voltage is applied for an excessive amount of time, the ECB internal resistance increases, essentially creating an open circuit. The resistance returns to normal only after voltage is removed from the circuit, thereby restoring circuit continuity.

You have a bad switch input to the BCM !
Door lock acting up 2005 Chevy Malibu fix it here
Door Locks Go Crazy 2

Jan 07, 2018 | Cars & Trucks

1 Answer

What fuse is it for rear hatch actuator 99envoy


One fuse powers all door lock actuators . The other door locks work ? if so it's not a fues problem .
The following locking functions are included on the vehicle:
• All the doors unlock -- All the doors will unlock, including the endgate/liftgate, when any power door unlock switch is detected. The passenger doors lock directly by pressing the lock switches. The driver door unlocks by the BCM using a driver door unlock relay.
• All the doors lock -- All the doors will lock, including the endgate/liftgate, when any power door lock switch is activated. All the lock actuators will activate directly from the power door lock switch (external to the BCM).
• The end/lift gate lock switch -- All the doors will lock or unlock from the end/lift gate lock switch

You probably have a bad lock actuator

Jun 14, 2017 | Cars & Trucks

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

Passanger side doors wont lock


From where , any switch ? driver door switch or either passenger door switch . This is a very complex system controlled by modules (microprocessors)
?€¢
The driver door switch assembly (DDSA)


?€¢
The driver door module (DDM)


?€¢
The passenger door module (PDM)


?€¢
The rear door module (RDM)


?€¢
The LH front power door lock switch


?€¢
The RH front power door lock switch


?€¢
The LH front door lock actuator


?€¢
The RH front door lock actuator


?€¢
The LH rear door lock actuator


?€¢
The RH rear door lock actuator


?€¢
The remote control door lock receiver (RCDLR)


?€¢
The power door serial data circuit


?€¢
The class 2 serial data circuit


?€¢
The DRVMDL Fuse - 10 amp


?€¢
The PDM Fuse - 10 amp


?€¢
The RRINMDL Fuse - 10 a
Class 2 and Power Door Serial Data Links
The class 2 and power door data circuits are both serial data links. The serial data circuits replace cables in the vehicle by multiplexing (time-sharing) data to and from each device over a single wire referenced to ground. If the power door serial data is lost, both the rear door module (RDM) and the passenger door module (PDM) enters the sleep mode. With the RDM and the PDM in sleep mode, no power door operations are possible.
Your best bet is to take it to the dealer or an ASE certified repair shop .

Feb 20, 2016 | 2003 Buick Park Avenue

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

2 Answers

Automatic door locks delaying in locking.


It can be issue with keyfob or door locking mechanism.

Check the help link mentioned below:---

How to test Power door locks?

http://repairhelpcenter.blogspot.in/2012/02/how-to-test-power-door-locks.html

-------------

2006 Toyota Camry: Power Door Locks Not Working?

http://whatisbyme.blogspot.in/2012/05/2006-toyota-camry-power-door-locks-not.html

------------
Door locks or windows not working on car?
http://schematicsdiagram.blogspot.com/2011/07/door-locks-or-windows-not-working-on.html


-----------

All power door locks not working on Honda Accord?
http://howtobyme.blogspot.com/2011/11/all-power-door-locks-not-working-on_14.html

---------

Repairing car Door lock Actuator?
http://howtobyme.blogspot.com/2011/11/repairing-car-door-lock-actuator.html

-----------

How to Access car door panel?
http://howtobyme.blogspot.com/2011/11/how-to-access-car-door-panel.html
---------


Vehicle door panel components?
http://howtobyme.blogspot.com/2011/11/vehicle-door-panel-components.html

------------

Power door locks not working?

http://schematicsdiagram.blogspot.com/2011/12/power-door-locks-not-working.html

---------

Door locks not working on Ford Explorer?

http://technoanswers.blogspot.com/2012/01/door-locks-not-working-on-ford-explorer.html

----------
These details will help.
Thanks.

Dec 06, 2012 | 1995 Chevrolet G20

1 Answer

I have power to the door lock switches on the drivers door but the locks do not work nor does the back hatch or the switch at the back hatch that controls all the locks in the vehicle. Do the locks g


Power Door Locks Circuit Description
The power door lock system incorporates door lock switches on both front doors and on the RH D-pillar, door lock motors in all passenger doors and in the RR cargo door, a door lock relay and a door lock control module.
Power for the door lock switches and the door lock control module is supplied from the CIG LTR fuse 13 through CKT 640 (ORN). Power for the door lock relay is supplied from the PWR ACCY circuit breaker through CKT 540 (ORN). Ground for the door lock relay is supplied from G202 through CKT 150 (BLK) and ground for the door lock control module is supplied from G400 through CKT 150 (BLK).
The door lock motors are reversible and both sides are connected to the normally closed contacts of the door lock relay. Those contacts of the relay are connected to G202. When any of the door lock switches are placed in the lock position, voltage is supplied through CKT 195 (LT BLU) to the relay lock coil. Since the other side of the lock coil is connected to ground, the coil is energized and it pulls the lock contacts closed. Voltage is then supplied through CKT 295 (GRY) to all the door lock motors and the doors lock. The unlock function operates in much the same manner except that when any of the switches are placed in the unlock position, voltage is supplied through CKT 194 (WHT) to the unlock coil of the relay and CKT 294 (TAN) supplies voltage to the apposite side of the door lock motor and the doors unlock.
Door Lock Control Module Description
The door lock control module is used on vehicles equipped with cargo doors. The purpose of the module is to lock the cargo doors after a lock cycle has been commanded from any of the door lock switches with the cargo doors open. When the RH cargo door is open, the module receives a ground signal from the closed contacts of the rear door jamb switch on CKT 1897 (ORN/BLK) to G400. When a lock command is received, the module retains this input until it receives an open input from the rear door jamb switch. Then the module sends a lock command through CKT 194 (WHT) to the door lock relay and the doors lock.
Rear Cargo Doors Description
The power door lock motor will not operate unless the rear cargo doors are fully closed. The power door lock motor is in the right cargo door. The contactors are on the rear cargo door opening on the body and on the right cargo door.

May 23, 2017 | 1997 GMC Yukon

1 Answer

L door dose not lock all door locks


This may be due to a bad lock actuator, i will need to ask a few questions first.Can you lock the door by hand using the button? or is the lever stuck?Is the problem that it does not work with the power locks only?
Let me try to answer these, first if the door lock does not work with the power locks then the door lock actuator may be bad, the door panel will need to be removed and test for power at actuator. While inside the door check lock linkage.If the door lock lever wont move then that may also be related to a frozen lock actuator, that is the same as above. a bad or frozen lock actuator will not allow door to lock or unlock but sometimes a bad actuator will not work with the power button but will allow you to lock and unlock with lock lever or door key, the door panel needs to be removed to check . good day.

Apr 29, 2012 | 2000 Hyundai Sonata

1 Answer

2000chrysler 300m doors not locking by switchs only by key how do fix


As per this problem,there are help links provided to troubleshoot the exact cause of problem.Click the link below to go through the procedure :----Diagnosis & Testing Power Windows? http://repairhelpcenter.blogspot.in/2012/02/diagnosis-testing-power-windows.html----------
Door locks or windows not working on car?
http://schematicsdiagram.blogspot.com/2011/07/door-locks-or-windows-not-working-on.html

------------Car windows will go down but come right back up
http://schematicsdiagram.blogspot.com/2011/06/car-windows-will-go-down-but-come-right.html

Electric Window Motor REMOVAL and INSTALLATION ?
http://schematicsdiagram.blogspot.com/2011/06/electric-window-motor-removal-and.html
-----------
Driver side power window wont go up on ford expedition?
http://howtobyme.blogspot.com/2011/10/driver-side-power-window-wont-go-up-on.html

How to replace window motor and regulator on jaguar S-Type?
http://howtobyme.blogspot.com/2011/09/how-to-replace-window-motor-and.html

How to remove window motor and regulator?
http://howtobyme.blogspot.com/2011/09/how-to-remove-window-motor-and.html
-----------
power locks, power window and power mirror on the passenger side not working ?
http://howtobyme.blogspot.com/2011/09/power-locks-power-window-and-power.html
---------
All power windows not working?
http://howtobyme.blogspot.com/2011/09/all-power-windows-not-working-on-2003.html

-----------Power windows works intermittently? http://schematicsdiagram.blogspot.com/2011/12/power-windows-works-intermittently.html
--------Power window fuse location? http://schematicsdiagram.blogspot.com/2012/01/power-window-fuse-location-for.html
----------Power windows will not go up and relay clicks when switch is pressed? http://technoanswers.blogspot.com/2012/01/power-windows-will-not-go-up-and-relay.html
----------Keyless keypad on drivers door stopped working?

http://technoanswers.blogspot.com/2012/01/after-alternator-failure-keyless-keypad.html

-----------
Remote will not unlock Rear door ?
http://schematicsdiagram.blogspot.com/2011/12/remote-will-not-unlock-rear-door-on-gmc.html
---------
Door locks or windows not working on car?
http://schematicsdiagram.blogspot.com/2011/07/door-locks-or-windows-not-working-on.html

-------

Car door will not close?
http://howtobyme.blogspot.com/2011/11/car-door-will-not-close.html

---------
All power door locks not working on?
http://howtobyme.blogspot.com/2011/11/all-power-door-locks-not-working-on_14.html

------

Repairing car Door lock Actuator?
http://howtobyme.blogspot.com/2011/11/repairing-car-door-lock-actuator.html

How to Access car door panel?
http://howtobyme.blogspot.com/2011/11/how-to-access-car-door-panel.html

Vehicle door panel components?

http://howtobyme.blogspot.com/2011/11/vehicle-door-panel-components.html
----------Front Door dis-assembly diagram?

http://repairhelpcenter.blogspot.in/2012/02/front-door-dis-assembly-diagram-for.html

-------
Rear Door dis-assembly diagram?

http://repairhelpcenter.blogspot.in/2012/02/rear-door-dis-assembly-diagram-for.html

-----------
How to test Power door locks? http://repairhelpcenter.blogspot.in/2012/02/how-to-test-power-door-locks.html
--------This will help.Thanks.

Feb 17, 2012 | Chrysler 300M Cars & Trucks

1 Answer

Door lock not working on the drivers side. 1999 Ford Explorer. Need wiring diagram and how to remove the parts.


Visual Inspection Chart Mechanical Electrical
  • Binding latches
  • Door lock cylinder
  • Misaligned door
  • Lock actuator
  • Fuse
  • Relays
  • Switch
  • Wiring harness
  • Loose or corroded connections
Symptom Chart Condition Possible Sources Action
  • The door lock is inoperative
  • Circuitry.
  • Power door lock actuator (218A42).
  • GO to Pinpoint Test A .
PINPOINT TEST A: THE DOOR LOCK IS INOPERATIVE CONDITIONS DETAILS/RESULTS/ACTIONS A1 CHECK THE OPERATION OF THE SUSPECT DOOR LOCK sxn~us~en~file=box1.gif~gen~ref.gifCheck for binding or stuck conditions by manually operating the inoperative door lock.
  • Is the lock stuck or binding?
sxn~us~en~file=arrow.gif~gen~ref.gifYes REPAIR or REPLACE the binding components. TEST the system for normal operation.
sxn~us~en~file=arrow.gif~gen~ref.gifNo GO to A2 . A2 CHECK THE POWER DOOR LOCK ACTUATOR FOR LOCK OPERATION — CIRCUIT 117 (PK/BK) sxn~us~en~file=box1.gif~gen~ref.gif
sxn~us~en~file=ic0004.gif~gen~ref.gif Inoperative Power Door Lock Actuator
sxn~us~en~file=box2.gif~gen~ref.gif
sxn~us~en~file=gn0085a.gif~gen~ref.gif sxn~us~en~file=box2.gif~gen~ref.gifMeasure the voltage at the inoperative power door lock actuator connector Pin 1, Circuit 117 (PK/BK), and ground while operating the door lock switch to the LOCK position.
  • Is the voltage greater than 10 volts?
sxn~us~en~file=arrow.gif~gen~ref.gifYes GO to A3 .
sxn~us~en~file=arrow.gif~gen~ref.gifNo REPAIR Circuit 117 (PK/BK). TEST the system for normal operation. A3 CHECK THE POWER DOOR LOCK ACTUATOR FOR UNLOCK OPERATION — CIRCUIT 118 (PK/O)/163 (R/O) sxn~us~en~file=box1.gif~gen~ref.gif
sxn~us~en~file=gn0086a.gif~gen~ref.gif sxn~us~en~file=box1.gif~gen~ref.gifMeasure the voltage at the inoperative power door lock actuator connector Pin 2, Circuit 118 (PK/O) or 163 R/O, and ground while operating the door lock switch to the UNLOCK position.
  • Is the voltage greater than 10 volts?
sxn~us~en~file=arrow.gif~gen~ref.gifYes INSTALL a new power door lock actuator. TEST the system for normal operation.
sxn~us~en~file=arrow.gif~gen~ref.gifNo REPAIR Circuit 118 (PK/O) and/or 163 (R/O). TEST the system for normal operation.

Mar 10, 2010 | 1999 Ford Explorer

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