Question about 1997 Ford Expedition

2 Answers

Power door locks do not work.

Neither the door switches or the remote fob activate the locks. Fuse is good. I already changed the GEM module -advice from a few mechanics. It did nothing. Could it be a relay? If it is I don't know which one or where it is. Online says there is a relay box where the jack compartment is but I didn't see one in there. I could live with just using the keys but for some reason the key isn't working on the rear hatch door so I can't even get in there. Where do I go next?

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  • Ford Master
  • 451 Answers

Check easy stuff first. Put new battery in fob then retry. Do you have a second fob? If so try it and aslo make sure it has a new battery . I had same problem. Check your car battery. If it has a low charge it will not allow the fob signal to complete the circuit. I think this should resolve your problem .

Posted on Apr 17, 2014

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  • Contributor
  • 35 Answers

First off, I assume your vehicle is a four door. If you press the door lock switch and there is no noise from any doors.I don't think actuators in all doors and hatch,Are all bad. Sometimes the fuss box on those vehicles go bad. The other problem i have found is the wires run thru a rubber boot.From drivers door to post inside that boot your most likely going to find broken wires. That and a relay is the only other thing all locks would have in common.I'll find out tomorrow were the relay is!

Posted on Apr 17, 2014

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: REAR HATCH WONT LOCK WITH FOB / KEY OR SWITCH

I would check and see if it might be a fuse. It also might be a defective hatch lock.

Posted on Jan 28, 2009

  • 2 Answers

SOURCE: 1998 FORD EXPLORER REAR HATCH WONT LOCK WITH FOB / KEY OR SWITCH

We had the same problem with our 99 explorer there could be two seperate problems , problem # 1lock mechinism is very dirty from road dirt, take inside panel off and clean than spray with lubricant, problem # 2 bad lock actuator needs replacement ! good luck!!!!!

Posted on Jan 28, 2009

  • 16 Answers

SOURCE: Remote key & AutoDoor opens/closes driver side, not other doors.

try the door relay

Posted on Jul 30, 2009

roman1021
  • 102 Answers

SOURCE: power door lock switch won't work

i would look at all of my plugs

Posted on Aug 14, 2009

  • 5370 Answers

SOURCE: 1999 Ford Windstar power door locks only work when key is turned on

For Doors not getting open with remote or key problem,there are help links provided below.Click the link below to go through its procedure and troubleshoot the problem:----
drivers side front door will not open from inside or outside?

http://technoanswers.blogspot.com/2012/01/ford-f-350-crew-cab-drivers-side-front.html

----------

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

--------

All power door locks not working ?
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

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Truck Door will not close?

http://schematicsdiagram.blogspot.com/2011/12/ford-truck-door-will-not-close.html

-----------
Where is Cars Door control Module located?

http://schematicsdiagram.blogspot.com/2011/12/where-is-cars-door-control-module.html

--------
Power door locks not working?

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

-----------
Door ajar light stays on?

http://technoanswers.blogspot.com/2012/01/door-ajar-light-stays-on.html

----------
Door locks not working?

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

----------
Front Door dis-assembly diagram?

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

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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

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Doors will not open with Remote?

http://schematicsdiagram.blogspot.in/2012/02/lexus-doors-will-not-open-with-remote.html

--------

How to replace Door Hatch ?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-hatch-on-acura-integra.html

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How to remove Doors?

http://repairhelpcenter.blogspot.com/2011/11/how-to-remove-doors-on-acura-integra.html

-------`-

How to Replace Doors?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-doors-on-audi-a4-and-vw.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

--------

This will help.

Thanks.

Posted on Feb 29, 2012

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1 Answer

I can't find the fuse for the power windows on a 1998 Lincoln Navigator


All the other windows work ? Not a fuse , one fuse powers all the windows . Test for B+ voltage at the switch an the window regulator would be the proper diagnostic procedure . Do you own a volt meter ? know how to read a wiring diagram ? how to do basic automotive electrical testing . The Faint click you hear is probably a relay , which means the GEM - genaric electronic modual is energizing the window relay . The windows are computer controlled .

The GEM will activate the OTD Relay until one of the following conditions is met:
  • The LF regulator control switch is pushed to the UP position.
  • The LF regulator control switch is released (OFF position) and then moved to the down position (first detent) or one touch down (OTD) position (second detent).
  • Seven seconds have elapsed since the OTD was initiated.
  • A window regulator electric drive stall condition is detected on the one touch down sense line inputs.
The UP window operation is not controlled by the GEM. The feature is activated when the delayed accessory is active and the LF window regulator control switch is pressed to the UP position. The switch provides delayed accessory power to one side of the motor and ground to the other side through the one touch down relay. The one touch down relay is not active when the LF regulator control switch is in the UP position.
Passenger windows may be raised or lowered using the LF master control switches or the appropriate passenger window switch. Passenger window switches receive power when the delayed accessory relay is active and the LF remote lock-out switch is in the UNLOCK position. When in the LOCK-OUT position, the passenger windows are deactivated.
The GEM controls manual down and auto down window movement with the down window relay. The relay is activated by applying ground directly to one side of the down window relay coil, and deactivated by removing the ground signal.
The delayed accessory relay provides power for the operation of the power windows and the power moon roof. The delayed accessory feature is active when the ignition switch is in the RUN or the ACC position, or when the ignition switch is changed from RUN or ACC to the OFF/LOCK position and the LF and RF doors are closed.
The GEM will deactivate the delayed accessory feature when:
  • the LF door is ajar and the ignition switch is in the OFF/LOCK or KEY-OUT position.
  • the RF door is ajar and the ignition switch is in the OFF/LOCK or KEY-OUT position.
  • 10 minutes have elapsed since the ignition switch was changed from ACC or RUN to the OFF/LOCK position.
Feature inputs:
  • LF door open warning switch (open circuit with door closed, grounded with door ajar).
  • RF door open warning switch (open circuit with door closed, grounded with door ajar).
  • Ignition switch RUN position (battery potential on both the RUN and RUN/ACC inputs).
  • Ignition switch ACC position (battery potential on the RUN/ACC input).
  • Ignition switch OFF/LOCK position (absence of battery potential on the RUN, RUN/ACC, and START inputs).
The Trainer 24 Power Window Troubleshooting

Mar 03, 2017 | 1998 Lincoln Navigator

1 Answer

2002 ford expedition interior lights are not on what fuse is it?


Courtesy Lamps - central junction box. fuse # F1.21 that goes to interior lamp relay in the instrument cluster and F.24 this fuse powers battery saver relay .
Interior Lighting The interior light system consists of the following:
  • front map lamp assembly
  • front door courtesy lamp
  • generic electronic module (GEM)
  • glove box lamp assembly
  • central security module
  • interior lamp switch
  • interior lamp relay
  • illuminated vanity mirrors (Navigator only)
  • reading lamp assembly
  • rear courtesy lamp
  • running board lamp
  • underhood lamp assembly
  • The generic electronic module (GEM) illuminates the interior lamps when an unlock signal is received from the remote anti-theft personality central security module. The illuminated entry feature will be canceled when any of the following conditions are met:
    • 25 seconds have elapsed since the illuminated entry feature was activated and the interior lamp control is not activated (door ajar or courtesy lamp switch on).
    • The GEM receives a request from the central security module (remote transmitter lock button pressed) and the interior lamp control is not activated.
    • The ignition is in the RUN or START position and the interior lamp control is not activated.
    The GEM will illuminate the interior lamps when any door is open or ajar. The interior lamps are; the dome lamp, the rear cargo lamp, the door courtesy lamp and the side rail lamps. The courtesy lamps will shut off when the doors are closed and the illuminated entry feature is not active or when the vehicle speed is greater than 5 mph (8 km/h). The interior lamps will not be reactivated until the vehicle speed is less than 3 mph (5 km/h) and a new door open warning lamp switch is received.
    The GEM controls the interior lamps illuminated entry function by activating the interior lamp relay.
  • You have an electronic control module and relays involved in the operation of these lights also !

  • What

    Jan 08, 2015 | 2002 Ford Expedition

    1 Answer

    Power door locks don't work


    The relays should be on the fuse panel. There is also another fuse and relay box under the hood.

    Apr 16, 2014 | 1997 Ford Expedition

    1 Answer

    I have a 2000 ford mustang. Suddenly my keyless entry remote stopped working. I replaced the battery and turned the off and on 8 times and the locks cycled. after which i pushed the unlock but nothing...


    The keyless entry system is controlled by the (GEM) - generic electronic module .
    Keyless Entry The electronic door lock system has two main components:
    • generic electronic module (GEM)(14B204)
    • keyless entry remote transmitter (15K601)
    • NOTE: Battery power and ground must be remove before disconnecting the GEM connectors to avoid setting false codes.
      Power Locks Operation The power locks feature allows the customer to lock and unlock the doors via momentary switches located on the driver and passenger door. When the GEM detects a momentary press of the driver or passenger lock button, the GEM will supply power to the driver or passenger lock actuators for approximately 250 ms from relays internal to the GEM. When the GEM detects a momentary press of the driver or passenger unlock button, the GEM will supply power to the driver or passenger unlock actuators for approximately 250 ms from relays internal to the GEM.
      Remote Keyless Entry Door Locks Operation The remote entry feature allows the customer to unlock the driver door, unlock all doors, and lock all doors using a valid remote transmitter as long as the ignition switch is not in RUN or START. The driver door is unlocked whenever the GEM detects a valid remote transmitter unlock transmission. All the doors are unlocked when the GEM detects a second valid remote transmitter unlock transmission within three seconds of the first transmission. All the doors are locked when the GEM detects a valid remote transmitter lock transmission. If the GEM detects a second valid remote transmitter lock transmission within three seconds of the first transmission, the doors will lock again, the horn will sound for 20 ms and the parking lamps will flash for 200 ms to indicate the doors are locked. If the GEM detects the driver or passenger door is ajar during the second lock transmission, the doors are locked again and the horn is sounded twice. If the GEM detects a valid remote transmitter lock transmission within three seconds of detecting a valid remote transmitter unlock transmission, the GEM will lock all the doors
      • The doors do not lock/unlock using the remote transmitter
      • Ignition switch.
      • GEM.
      • Remote transmitter.
      • Remote transmitter batteries.
      • GO to Pinpoint Test C .
      You followed the program instructions to the letter ? Programming -Keyless Entry Remote Transmitter NOTE: All keyless entry remote transmitters (15K601) must be programmed at the same time.
      NOTE: All previous transmitter identification codes (TIC's) will be erased when programming mode is entered.
      NOTE: To program (or reprogram) the keyless entry remote transmitters into the generic electronic module (GEM)(14B204), perform the following steps.
      1. Turn the ignition from OFF to RUN eight times within 10 seconds, ending in RUN. If the GEM has successfully entered program mode, it will lock and unlock all the doors.
      1. NOTE: The first TIC must be entered within 7.5 seconds of entering the program mode and additional TICs must be entered within 7.5 seconds of the first TIC. The programming mode is exited whenever the timing constraints are not met.
        Press any button on a keyless entry remote transmitter, and the doors will lock and then unlock to confirm that each keyless entry remote transmitter has been programmed.
      1. If the door locks do not respond for any keyless entry remote transmitter, wait for several seconds and press the button again.
      1. Turn the ignition switch to the OFF position, or wait up to five minutes after step 1, to exit program mode. If a keyless entry remote transmitter has been programmed (or reprogrammed), the GEM will lock and unlock all the doors one last time.
      1. Take an have the vehicle checked for DTC'S
    B1396 Power Door Lock Circuit Short to Battery GEM GO to Pinpoint Test B . B1397 Power Door Unlock Circuit Short to Battery GEM

    Apr 12, 2017 | Ford Mustang Cars & Trucks

    1 Answer

    The panic alarm sounds


    it sounds like one of your door switches is setting off the alarm. Or you hood or trunk switches.

    Anti-Theft -Perimeter The perimeter anti-theft system consists of the following:
    • door lock cylinder disarm switches
    • liftgate lock cylinder disarm switch
    • generic electronic module (GEM)
    • door open warning lamp switch
    • pulse stretcher module (wagon only, is located between the rear license plate housing and bracket)
    • keyless entry remote transmitter
    • hood switch/bracket assembly
    -----------------------------------------------------------------------------------------------------------------------
    Principles of Operation
    Perimeter Anti-theft
    The perimeter anti-theft feature provides an audible and visual alarm when unauthorized access to the vehicle is detected. When an intrusion is detected by any door or liftgate ajar switches, or the hood and trunk tamper switches it sends a ground signal to the GEM. When the GEM receives a signal indicating intrusion into the vehicle, the GEM supplies a ground signal to the horn control relay and the park lamps relay. The relay closes, supplying the power which activates the horn and the park lamps. The pulse stretcher module applies to wagons only. Due to the distance between the liftgate disarm switch and the GEM, the disarm switch signal is not present long enough for the GEM to recognize. The pulse stretcher module receives pulse input when switch is turned to unlock. The pulse stretcher module holds the pulse active for about 60ms so the GEM can recognize the signal and disarm the system. The perimeter anti-theft feature does not arm until 20 seconds elapses after locking the vehicle. The perimeter anti-theft device will disarm only when
    • unlock is pressed on the keyless entry remote transmitter.
    • keyless entry keypad code is entered.
    • door, luggage compartment lid or liftgate lock cylinder is turned to unlock.
    • ignition switch position changes to run or start.
    Inspection and Verification
    1. Verify the customer concern by operating the system.
    1. Visually inspect for obvious signs of mechanical and electrical damage.


    Visual Inspection Chart Mechanical Electrical
    • Lock cylinder disarm switches
    • Hood switch
    • Luggage compartment lid switch
    • Loose or corroded connections
    • Generic electronic module (GEM)
    • Circuitry

    -----------------------------------------------------------
    Door Disarm Switch Removal and Installation
    1. Disconnect the battery ground cable. Refer to Section 414-01 .
    1. Remove the door trim panel. For additional information, refer to Section 501-05 .
    1. Remove the watershield.
    1. Disconnect the latch lever from the door lock cylinder.
      1. Remove the E-clip.
      1. Disconnect the latch lever.
    1. NOTE: The door disarm switch can be installed in more than one position. Before removing the switch from the cylinder it may be necessary to mark the position of the switch in relation to the lock cylinder.
      Remove the door disarm switch.
      • Disconnect disarm switch electrical connector.
    1. NOTE: The door disarm switch can be installed in more than one position. Use the reference marks applied in the removal procedure to index the new door disarm switch to the lock cylinder.

    Jan 24, 2011 | 2005 Mercury Sable

    1 Answer

    We have a 2001 Ford Escape with a small problem. The remote key fob locks the doors and unlocks the doors but the lights don't flash anymore when you lock the door. The horn also won't honk after hitting...


    I think you need to reprogram the module, you deleted the horn chirp and light flash confirmation. he dealer can reprogram for you.


    Customer Preference Items NOTE: If using the WDS, select Module Configuration and Programming, then follow the screen prompts.
    NOTE: Make sure module is listed as supporting customer preference items and supports the specific item to be configured in the Module Configuration Index in this section.
    1. Select Service Bay Functions on the diagnostic tool.
    1. Select the module that contains the customer preference item to be programmed. Refer to the Module Configuration Index in this section.
    1. Select Customer Preference Items on the diagnostic tool.
    1. Select Module Option Content.
    1. Select the item to be enabled or disabled.
    1. Enable or disable the item as necessary to reflect the customer preference.
    ------------------------------------------------------------------------

    ----------------------------------------------------------------------------
    Principles of Operation
    Power Door Locks
    The generic electronic module (GEM) controls the power door lock and keyless entry system. Lock and unlock operation is achieved through the use of internal relays in the GEM. The relays are all door lock, all door unlock and driver door unlock. The normal path of the relays is to ground.
    Pressing the door lock control switch to lock or unlock sends a ground signal to the GEM. The same GEM pin is used for unlock and lock input. The unlock signal is a direct connection to ground. The lock signal is altered by an internal resistor in the door lock control switch. This varied resistance identifies lock or unlock command to the GEM.
    The door locks can also be controlled by the door key cylinder switches. For the liftgate door lock switch, turning the key to lock or unlock sends a ground signal to the GEM. The GEM will then ground the all door lock or all door unlock relay supplying voltage to the actuators. Turning the driver door key cylinder to the lock position sends a ground signal to the GEM. The GEM will then ground the all door lock relay supplying voltage to the actuators. Turning the driver door key cylinder to unlock sends a ground signal to GEM. The GEM will ground the driver door unlock relay and supply voltage to only the driver door actuator. If a second unlock ground is received within three seconds of the first, the GEM will ground the all door unlock relay supplying voltage to the passenger door actuators (if 2-stage unlock is equipped).
    Keyless Entry
    The keyless entry remote transmitter sends a signal that is received by the GEM internal antenna. Depending on the signal received, the GEM module will ground the appropriate internal relay and lock all doors or unlock the driver door. If the unlock signal is received again within three seconds of the first unlock, the GEM will ground the internal all door unlock relay unlocking all doors. The lock and unlock relay output to the actuators is controlled by the GEM, the same as power door lock operation from the control switch.
    If the signal received is for the panic button, the GEM will cycle ground to the park lamp relay coil and horn relay coil. The park lamps and horn will continue to cycle until the panic button is pressed again or the ignition switch is turned to the RUN position, or after the timer expires.

    Dec 17, 2009 | 2005 Ford Escape

    2 Answers

    Door panel lights wont turn off


    push the door switches in by hand and see if the lights go out. Here's some diagnostic info:

    Vehicles may be equipped with either a generic electronic module (GEM) or a central timer module (CTM) depending on vehicle options.
    • Vehicles with 4-wheel drive or the power group option will be equipped with a GEM.
    • Vehicles with 2-wheel drive and no power group option will be equipped with a CTM.
    Courtesy Lamps The GEM and the CTM illuminate the interior lamps when any door is open or ajar. The interior lamps are: the interior lamp, the cargo lamp and the door courtesy lamp. The courtesy lamps will shut off when:
    • The doors are closed and the illuminated entry (GEM only) feature is not active.
    • The vehicle speed is greater than 15 mph (24 km/h). The interior lamps will not be reactivated until the vehicle speed is less than 10 mph (16 km/h) and a new door open warning lamp switch signal is received (GEM only).
    The system inputs to the GEM/CTM are as follows:
    • The door open warning lamp switches. (Grounded when door is ajar; an open circuit when the door is closed.)
    • The vehicle speed sensor (VSS) input. (Sinusoid Wave: 0.7V-20V, 2.2 Hz/MPH [1.37 Hz/km/h] [GEM only].)
    The system output to the GEM/CTM is as follows:
    • The interior lamp relay coil output. (Grounded when activated; open circuit when deactivated.)
    Interior Lamp Relay The GEM and the CTM control the interior lamps and illuminated entry function with the interior lamp relay.
    The relay is activated by applying ground to the relay coil through GEM C267-15, and is deactivated by removing the ground signal.
    Panel Dimmer Switch The panel dimmer switch is integrated into the headlamp switch and controls the interior lamps by activating the interior lamp relay.
    Illuminated Entry (GEM Only) The GEM illuminates the interior lamps when an unlock signal is received from the remote anti-theft personality (RAP) module. The illuminated entry feature will be canceled when any of the following conditions are met:
    • 25 seconds have elapsed since the illuminated entry feature was activated and the courtesy lamp feature is not activated.
    • The GEM receives a request from the RAP module (remote transmitter lock button pressed) and the courtesy lamp feature is not activated.
    • The ignition is in the RUN or START position and the courtesy lamp feature is not activated.
    The illuminated entry inputs are:
    • RAP illuminated entry request. (Grounded pulse of varying length.)
    • Ignition switch in the RUN position. (Battery voltage on both the RUN and RUN/ACC inputs.)
    The illuminated entry outputs are:
    • Interior lamp relay coil output. (Grounded when activated; an open circuit when deactivated.)
    RAP Module The RAP module sends a signal to the GEM on the illuminated entry request circuit to indicate a request to turn the illuminated entry feature on or off. Circuit 1013 (BR/LG) is normally sent 12 volts by the GEM. The RAP module shorts this circuit to ground with a pulse of either of the following lengths:
    • 200 ms pulse from RAP receiver assembly requests illuminated entry ON (unlock button pressed).
    • 300 ms pulse from RAP receiver assembly requests illuminated entry OFF (lock button pressed).
    GEM Sleep Mode The GEM and the CTM sleep mode deactivate all outputs to conserve battery power. Sleep mode is entered when the ignition has not entered the RUN or ACC position and 45 minutes has elapsed since the last wake-up input was received. In this mode, GEM current consumption is reduced to 5.0 mA or less. During sleep mode the GEM monitors the following wake-up inputs:
    • Both front door open warning lamp switches.
    • Ignition switch in the key-in, ACC and RUN position.
    • RAP illuminated entry request.
    The GEM sleep mode outputs are:
    • None. (All circuits are deactivated during sleep mode.)
    If a change in any of the above inputs occur while the GEM is asleep, the GEM will wake up and monitor all of its inputs and have the ability to activate any of its outputs.
    The following components are under the control of the battery saver relay:
    • Interior lamp.
    • Engine compartment lamp.
    • Glove compartment lamp.
    • Panel dimmer switch.
    • Interior lamp relay.
    The battery saver relay becomes active (relay coil is energized) when the GEM is in the awake mode, and is deactivated (relay coil is de-energized) in the sleep mode. The battery saver will remain active until the ignition switch is removed from the ACC or RUN position and 45 minutes have passed since the last active input was received (see sleep mode inputs). At that time, the relay will be deactivated and power to the above circuits will terminate.
    The battery saver inputs are the GEM sleep mode inputs.
    The battery saver output is the battery saver relay.
    Inspection and Verification — GEM/CTM
    1. The interior lighting system is a generic electronic module (GEM)/central timer module (CTM) controlled system. Refer to Section 419-10 for additional information regarding GEM/CTM diagnostic strategies.
    1. Verify the customer concern by operating the interior lamps.
    1. Visually inspect for obvious signs of mechanical and electrical damage.


    Visual Inspection Chart Mechanical Electrical
    • Switch(es)
    • Fuse(s) 14 (15A), 15 (5A), 4 (5A), 8(5A), and 103 (50A).
    • Wiring harness
    • Loose or corroded connector(s)
    • Circuitry open/shorted
    • Bulb(s)

    1. If the concern remains after the inspection, connect the New Generation STAR (NGS) Tester to the data link connector (DLC) located beneath the instrument panel, and select the vehicle to be tested from the NGS menu. If the NGS does not communicate with the vehicle:
      • check that the program card is correctly installed.
      • check the connections to the vehicle.
      • check the ignition switch position.

    Oct 07, 2009 | 1999 Ford F250 Regular Cab

    2 Answers

    2000 Ford Focus automatic door locks quit working. Replaced Central locking module, but still does not work. All of the doors will only work manually. Remote works to open trunk only - will not work on...


    check fuse 63 first.

    Visual Inspection Chart Mechanical Electrical
    • Binding latch mechanisms
    • Binding linkage
    • Misaligned door
    • Central junction box fuse 63 (20A)
    • Damaged wiring harness
    • Loose or corroded connection(s)
    • Circuit
    • Door lock switch
    • Door lock actuator



    It could also be your GEM (generic electronic module) which is expensive as it controls a lot of stuff. A scan tool can be used to cehck for fault codes from the GEM.

    Jun 23, 2009 | 2000 Ford Focus

    1 Answer

    Key Pad Entry does not work


    does the key pad light when you press a button at night? If yes, the fuse is ok.
    Do you have the plastic card with the permanent code in your owner manual packet? If yes, tryit.
    report back.

    Keyless Entry The keyless entry keypad is hardwired to the GEM. The GEM interprets the inputs from the keyless entry keypad and then controls the associated operation. The keyless entry keypad will be illuminated for five seconds when any button is pressed. Additionally, it will request the illuminated entry feature to turn the courtesy lamps on. If a lock all doors code is entered, the illumination will turn off, as well as request the illuminated entry feature to turn off the courtesy lamps. When pressed, the keyless entry keypad supplies the ground signal to the GEM or the GEM receives a signal from the keyless entry remote transmitter. Then the GEM outputs a ground signal to the appropriate lock or unlock relay which supplies the power to the actuator to lock or unlocks all doors, including the luggage compartment. The keyless entry remote transmitter also unlocks the liftgate or activates the panic alarm by sending a signal to the GEM.
    --------------------------------------------------------------- Visual Inspection Chart Mechanical Electrical
    • Keyless entry keypad
    • Keyless entry remote transmitter
    • Central junction box (CJB) Fuse F222 (20A)
    • Circuitry
    • Generic electronic module (GEM)
    ------------------------------------------------------------------------
    • No communication with generic electronic module (GEM)
    • Generic electronic module.
    • Circuitry.
    • REFER to Section 419-10 .
    ------------------------------------------------------------------------------------

    Mar 08, 2009 | 2003 Ford Taurus

    1 Answer

    Fuse or what


    Your multifunction switch on the steering column controls your exterior lights. The GEM module controls the interior lights and other stuff. If bad, it would not blow fuses. WHich fuse blows?
    Your Ford dealer might be familiar with this issue, so call the service dept and ask them and get a quote. It may be wiring.
    reoprt back.

    • The high beams are inoperative
    • Circuitry.
    • Multifunction switch.
    • Go To Pinpoint Test C .


    --------------------------------------------------------------
    Principles of Operation
    Generic Electronic Module (GEM) The generic electronic module (GEM) receives inputs from the following:
    • door ajar switches
    • liftgate ajar switch (wagon)
    • liftgate glass switch (wagon)
    • headlamp switch
    • keyless entry keypad switches
    • the powertrain control module (PCM) (vehicle speed signal)
    • ignition switch
    • remote keyless entry transmitter
    The GEM uses these inputs to control the output to the battery saver relay and interior lamp relay. Both relays are integral to the central junction box (CJB) and cannot be accessed directly.
    Interior Lighting Systems The GEM grounds the battery saver relay and interior lamp relay coils when any door ajar switch or the headlamp switch is closed. The interior lamp relay then supplies power to the interior lamp circuit. Vehicle speed must be less than 15 kph (9 mph) for the GEM to ground the interior lamp relay. The interior lamps will remain illuminated for a period of up to 25 seconds after all doors are closed or until the ignition is switched from the OFF position, or the GEM receives a vehicle speed signal. Actuating the interior lights from the headlamp switch will operate at any time.
    Illuminated Entry Illuminated entry is activated when a keyless entry keypad switch provides ground on the GEM input or when the GEM receives an unlock signal from the remote keyless entry key fob. The GEM then provides ground to the battery saver and interior lamp relay coils. Illuminated entry is deactivated when the GEM receives a lock signal from the remote keyless entry key fob or if the GEM receives ground inputs from the keyless entry keypad switch lock code. Illuminated entry will also be deactivated when the GEM receives input voltage from the ignition switch.
    Battery Saver The battery saver is activated when the GEM is not receiving voltage input from the ignition switch (off position). The GEM will then provide ground to the battery saver relay coil for a maximum of 30 minutes depending on the state of the interior lamp switch inputs to the GEM. The energized battery saver relay switches voltage to the demand lamp circuit and the interior lamp relay coil. After time-out, the GEM removes ground to the battery saver relay disabling the demand lamp circuit.
    Puddle Lamps The puddle lamp relay operates reverse from the battery saver relay and the interior lamp relay. The puddle lamp relay coil receives voltage when the ignition switch is in the START or RUN position, which disables the circuit to the puddle lamps.
    Inspection and Verification
    1. Verify the customer concern by operating the system.
    1. Visually inspect for obvious signs of mechanical and electrical damage.


    Visual Inspection Chart Electrical
    • Battery junction box (BJB) fuse 101 (60A)
    • Central junction box (CJB) fuse 226 (10A)
    • Bulb(s)
    • Central junction box (CJB)
    • Generic electronic module (GEM)
    • Connectors
    • Circuitry



    Feb 20, 2009 | 2003 Ford Taurus

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