Question about 1999 Ford Ranger SuperCab

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Security system when I clear codes my interior light and the doors ajar light wont go out unless I disconnect battery

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  • 49 Answers

Check the relay fuses and anything that runs with the alarm and make sure nothing is grounding out your main problem is the illumination wire is making a contact someplace to confuse the interior lighting

Posted on Mar 23, 2014

Testimonial: "this only started after I put new injectors in motor it only does it when I clear codes and when I drive it after it shifts into drive they will all go out it seems like a security system issue"

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6ya6ya
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a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017

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SOURCE: Interior Lights and Door Ajar light stay w/beeping noise.

Try spraying WD-40 into the door latching mechanism (door side). I learned this fix after two battery replacements, but have only had to spray twice in the more than seven years of ownership

Posted on Jan 29, 2009

  • 58 Answers

SOURCE: 95 ford windstar door ajar

These switches are inside the doors attached to the door latch assembles.If you know some one with a scan tool you can go into the body computer and see which one is showing open when all the doors are closed. The most likly one is the drivers side door or the two in the rear gate. I've replaced those the most.If you don't want to replace them you can unplug them and the lights will go off. Hope this helps. If you need more info let me know> Thanks Dan

Posted on Jul 15, 2008

chrischronic
  • 235 Answers

SOURCE: 2002 Ford Explorer "Door Ajar" stays on and Alarm frequently goes

if the door ajar light is on then get a can of PB BLASTER at your local parts store and spray all the door latch assembleys really good and open and close each door about ten to fifteen times this will usually free up the ajar switch

Posted on Feb 16, 2009

  • 1 Answer

SOURCE: 2003 Explorer door ajar light stay on when all doors are closed

I had this problem on my 2003 explorer and took WD40 and gave the lock mechanism a good dose where it meets the clasp on the door jam. Then open and close the doors a couple of times to get them working. They get gummed up and sometimes have a tendency to stick.

Posted on Feb 18, 2009

chuck943
  • 783 Answers

SOURCE: 1997 ford exibition xlt my interior light and running board lights wont go off along wiith the door ajar light on dash board. please help

Take some WD40 and open the doors and spray a liberal amount into each of the door latches. Then open and close the doors firmly several times. This will work most of the time to unstick the ajar switches.

Posted on May 24, 2009

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2005 Ford E350 Van Door locks & dome lights are going on & off on there own


Do you know anything about automotive electronic's ? Control modules ?
Vehicle Security Module
The vehicle security module receives inputs from the following:
  • Door ajar switches
  • Keyless entry keypad
  • Ignition switch
  • Remote keyless entry (RKE) transmitter
The vehicle security module uses these inputs to control an output signal to the instrument cluster which controls the battery saver relay and interior lamp relay. The battery saver relay and the interior lamp relay are internal to the instrument cluster, and are not replaceable. There could be a faulty switch input to the I/C - insturment cluster , causing the vehicle security module to activate the lock's an light's .
Interior Lighting Systems
The instrument cluster grounds the battery saver relay and interior lamp relay coils when any door ajar switch is opened, or the interior lamp (headlamp) switch is closed. The interior lamp relay then supplies voltage to the interior lamp circuit. Vehicle speed must be less than 24 km/h (15 mph) for the instrument cluster to ground the interior lamp relay. The interior lamps remain illuminated for up to 25 seconds after all doors are closed unless the instrument cluster receives an input from any of the following:
  • voltage from the ignition switch.
  • a vehicle speed signal.
  • input from the keyless entry keypad through the vehicle security module.
  • input from the RKE transmitter unlock or panic switch through
  • the vehicle security module.
Do you know what DTC'S - diagnostic trouble codes are ?
Could have DTC'S stored in the following Modules
Instrument Cluster Diagnostic Trouble Code (DTC) Index DTC Description Source Action B1320 Driver Door Ajar Circuit Open Instrument Cluster Go To Pinpoint Test C . B1328 Passenger Door Ajar Circuit Open Instrument Cluster Go To Pinpoint Test C . B1342 ECU is Defective Instrument Cluster CLEAR the DTCs. REPEAT the self test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. REFER to Section 413-01 . All Other DTCs - Instrument Cluster REFER to Section 419-10 .


Vehicle Security Module Diagnostic Trouble Code (DTC) Index DTC Description Source Action B1322 Driver Door Ajar Circuit Short to Ground Vehicle Security Module Go To Pinpoint Test C . B1330 Passenger Door Ajar Circuit Short to Ground Vehicle Security Module Go To Pinpoint Test C . B1338 Door Ajar RR Circuit Short to Ground Vehicle Security Module Go To Pinpoint Test C . B1342 ECU is Defective Vehicle Security Module CLEAR the DTCs. REPEAT the self test. If DTC B1342 is retrieved again, INSTALL a new vehicle security module. REFER to Section 419-10 . B1574 Door Ajar LR Circuit Short to Ground Vehicle Security Module Go To Pinpoint Test C . All Other DTCs - Vehicle Security Module REFER to Section 419-10 .
Your best bet mite be to take to a qualified repair shop .

Sep 05, 2017 | Ford Cars & Trucks

1 Answer

Fuse location for interior lighting 2007 f150 fxt4x4 also is there 2 dash lights it doesn't seem to be as bright as it used to


dash lights it doesn't seem to be as bright as it used to ???? Dimmer switch on full bright ? Visual Inspection Chart Electrical
  • Bulbs
  • Central junction box (CJB) fuse 24 (15A)
  • Circuitry
  • Vehicle security module (if equipped with RKE)
  • Instrument cluster
  • Door ajar switches

Interior Lighting The interior lamp system is separated into 2 subsystems: the interior lamp subsystem and the on-demand lamp subsystem. The dome light and front map light on-demand lamps are also part of the interior lamp subsystem.
An on-demand interior lamp will only illuminate when its specific switch is activated. On-demand lamps consist of the front map light and the dome light.
The instrument cluster illuminates the interior lamps when any door is ajar, when an unlock signal is received by the vehicle security module (if equipped with remote keyless entry (RKE) or the dimmer switch is rotated to the ON position. The instrument cluster will turn off the interior lamps when all doors are closed, the vehicle security module (if equipped with RKE) receives a lock signal, 25 seconds have elapsed since the illuminated entry feature was activated, or the dimmer switch is rotated to the OFF position.
The vehicle is also equipped with a battery saver feature. The battery saver feature provides automatic shutoff of the demand lamps, courtesy lamps, and the warning chimes after a specific period of time has elapsed in order to save battery power.

  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool 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.
  1. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
  1. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
    • CAN, ISO or UBP circuits fault; all electronic control units no response/not equipped, refer to Section 418-00 .
    • No response/not equipped for instrument cluster, refer to Section 413-01 .
    • No response/not equipped for vehicle security module, refer to Section 419-10 .
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the instrument cluster.
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the vehicle security module.
  1. If the DTCs retrieved are related to the concern, go to the Instrument Cluster Diagnostic Trouble Code (DTC) Index or the Vehicle Security Module Diagnostic Trouble Code (DTC) Index.
  1. If no DTCs related to the concern are retrieved, GO to Symptom Chart .
  2. Symptom Chart Condition Possible Sources Action
    • The interior lamps are inoperative
    • Fuse
    • Circuitry
    • Instrument cluster
    • Dimmer control switch
    • Go To Pinpoint Test A .
    Pinpoint Test A: The Interior Lamps Are Inoperative
    Normal Operation On vehicles equipped with remote keyless entry (RKE), the door ajar switches are hardwired to the vehicle security module. The vehicle security module monitors the status of all door ajar switches, and when a door is opened, transmits a dome lamp ON signal to the instrument cluster through UART based protocol (UBP) circuit 1906 (PK), indicating a door has been opened. When the instrument cluster receives the dome lamp ON signal from the vehicle security module, the instrument cluster energizes the interior lamp circuits, which illuminates the interior lamps and, if equipped, the puddle lamps in the exterior mirrors.
    On vehicles without RKE, the door ajar switches are hardwired to the instrument cluster. When the driver or passenger door is opened, the instrument cluster receives a ground signal from the driver door ajar switch through circuit 344 (BK/YE), or from the passenger door ajar switch through circuit 345 (BK/PK), and the instrument cluster energizes the interior lamp circuits, causing the interior lamps to illuminate.
    The dimmer control switch can be used to turn the interior lamps ON or OFF when the doors are closed. The interior lamp defeat switch can be used to turn the interior lamps OFF when the doors are open.
      Possible Causes
    • Fuse
    • Circuit 53 (BK/LB) open or short to ground
    • Circuit 57 (BK) open
    • Circuit 402 (OG/LG) open
    • Circuit 1405 (LB/BK) short to ground
    • Circuit 3049 (BK/LG) open
    • Dimmer control switch
    • Instrument cluster
    PINPOINT TEST A: THE INTERIOR LAMPS ARE INOPERATIVE
  3. PINPOINT TEST A: THE INTERIOR LAMPS ARE INOPERATIVE Test Step Result / Action to Take A1 CHECK THE INTERIOR LAMP OPERATION AT THE DIMMER CONTROL SWITCH
    • Close all doors.
    • Operate the interior lamps with the instrument panel dimmer control switch.
    • Do any interior lamps illuminate?
    Yes
    For vehicles without RKE, REFER to Section 413-01 .

    For vehicles with RKE, REFER to Section 419-10 .

    No
    GO to A2 . A2 CHECK FOR INSTRUMENT CLUSTER OR VEHICLE SECURITY MODULE DIAGNOSTIC TROUBLE CODES (DTCs)
    • Key in ON position.
    • Carry out the instrument cluster On-Demand Self Test.
    • For vehicles equipped with remote keyless entry (RKE), carry out the vehicle security module On-Demand Self Test.
    • Were instrument cluster DTCs B2499 or B2659, or if equipped with RKE, vehicle security module DTC U1950 present?
    Yes
    For instrument cluster DTC B2499, GO to A5 .

    For instrument cluster DTC B2659, GO to A9 .

    If equipped with RKE and vehicle security module and DTC U1950 is present, REFER to Section 418-00 to diagnose the UBP network concern before attempting to diagnose the interior lighting concern.

    No
    GO to A3 . A3 CHECK CIRCUIT 3049 (BK/LG) FOR AN OPEN
    • Key in OFF position.
    • Disconnect: Instrument Cluster C220b.
    • Measure the voltage between the instrument cluster C220b-9, circuit 3049 (BK/LG), harness side and ground.
    • Is the voltage greater than 10 volts?
    Yes
    GO to A4 .

    No
    VERIFY the central junction box (CJB) fuse 21 (15A) is OK. If OK, REPAIR the circuit. TEST the system for normal operation. A4 CHECK INSTRUMENT CLUSTER CIRCUIT 57 (BK) FOR AN OPEN
    • Disconnect: Instrument Cluster C220a.
    • Measure the resistance between the instrument cluster C220a-17, circuit 57 (BK), harness side and ground.
    • Is the resistance less than 5 ohms?
    Yes
    GO to A5 .

    No
    REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. A5 CHECK CIRCUIT 53 (BK/LB) FOR AN OPEN
    • NOTE: If the fuse fails, repair circuit 53 (BK/LB) for a short to ground.
    • Connect a fused (15A) jumper wire between the instrument cluster C220b-9, circuit 3049 (BK/LG), harness side and the instrument cluster C220b-8, circuit 53 (BK/LB), harness side.
    • Do the interior lamps illuminate?
    Yes
    REMOVE the jumper wire. GO to A6 .

    No
    REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. A6 CHECK THE DIMMER CONTROL SWITCH OPERATION
    • Connect: Instrument Cluster C220a.
    • Disconnect: Dimmer Control Switch C205b.
    • Connect a fused (15A) jumper wire between the dimmer control switch C205b-4, circuit 57 (BK) and the dimmer control switch C205b-2, circuit 402 (OG/LG).
    • Do the interior lamps operate?
    Yes
    INSTALL a new dimmer control switch. REFER to Section 417-01 . TEST the system for normal operation.

    No
    GO to A7 . A7 CHECK CIRCUIT 402 (OG/LG) FOR AN OPEN
    • Disconnect: Instrument Cluster C220a.
    • Measure the resistance between the instrument cluster C220a-12, circuit 402 (OG/LG), harness side and the dimmer control switch C205b-2, circuit 402 (OG/LG), harness side.
    • Is the resistance less than 5 ohms?
    Yes
    GO to A8 .

    No
    REPAIR the circuit. TEST the system for normal operation. A8 CHECK DIMMER CONTROL SWITCH CIRCUIT 57 (BK) FOR AN OPEN
    • Measure the resistance between the dimmer control switch C205b-4, circuit 57 (BK), harness side and ground.
    • Is the resistance less than 5 ohms?
    Yes
    GO to A11 .

    No
    REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. A9 CHECK CIRCUIT 1405 (LB/BK) FOR A SHORT TO GROUND
    • Key in OFF position.
    • Disconnect: Instrument Cluster C220a.
    • Disconnect: Dimmer Control Switch C205b.
    • Measure the resistance between the instrument cluster C220a-11, circuit 1405 (LB/BK), harness side and ground.
    • Is the resistance greater than 10,000 ohms?
    Yes
    GO to A10 .

    No
    REPAIR the circuit. TEST the system for normal operation. A10 CHECK THE DIMMER CONTROL SWITCH
    • Carry out the dimmer control switch component test. Refer to Wiring Diagrams Cell 149 for schematic and connector information.
    • Is the dimmer control switch OK?
    Yes
    GO to A11 .

    No
    INSTALL a new dimmer control switch. TEST the system for normal operation. A11 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
    • Disconnect all instrument cluster connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all instrument cluster connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present?
    Yes
    INSTALL a new instrument cluster. REFER to Section 413-01 . TEST the system for normal operation.

    No
    The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. TEST the system for normal operation

Jul 19, 2017 | Cars & Trucks

1 Answer

Where is the courtesy light switch in the drivers door on a 1998 Navigator


courtesy light switch , is door ajar switch an it's part of the door lock actuator . Light on coming on ? Not going off ? The ajar switch is a input to the GEM module , fords BCM - body control module . The GEM will energize a relay to turn on the lights .
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.
Mite be a good idea to have it check for DTC'S - diagnostic trouble codes .

B1322 Driver Door Ajar Circuit Short to Ground GEM GO to Pinpoint Test B . B1323 Door Ajar Lamp Circuit Failure GEM REFER to Section 413-01 . B1325 Door Ajar Lamp Circuit Short to Battery GEM REFER to Section 413-01 . B1330 Passenger Door Ajar Circuit Short to Ground GEM REFER to Section 417-02 . B1334 Decklid Ajar Rear Door Circuit Short to Ground GEM GO to Pinpoint Test C . B1338 Door Ajar RR Circuit Short to Ground

Mar 26, 2017 | 1998 Lincoln Navigator

1 Answer

My 2004 Pontiac grand am se1 acts like door is open and interior light stays on also does t lock on its own when in gear and lights don't blink and horn not honk when locking with key bob


Door ajar switch problem more then likely or wiring issue . The BCM - body control module won't turn off interior light , let door lock because it think's the door is open . The door ajar switch is a input to the BCM .

The first thing would be to have it checked for DTC'S - diagnostic trouble codes . Also check with an enhanced scan tool to see if the BCM shows ajar switch data (open or closed ? Do you know about body electronics ?
Body Control Module
The various BCM input and output circuits are described in the corresponding functional areas indicated on the BCM electrical schematics. The Body Control Module functions include the following:
?€¢
A/C compressor request. Refer to Air Temperature Description and Operation


?€¢
Remote Function Control. Refer to Keyless Entry System Description and Operation


?€¢
A/C cooling Fan. Refer to Air Delivery Description and Operation


?€¢
Audio Delay Power. Refer to Radio/Audio System Description and Operation


?€¢
Exterior and interior lighting control. Refer to Exterior Lighting Systems Description and Operation


-
Daytime running lights (DRL)


-
Automatic lighting control


-
Fog lamps


?€¢
Interior lighting. Refer to Interior Lighting Systems Description and Operation


?€¢
Battery rundown protection (Inadvertent Power). Refer to Interior Lighting Systems Description and Operation


?€¢
Chimes. Refer to Audible Warnings Description and Operation


-
Key-In-Ignition


-
Head Lamps On


-
Seat Belt Not Fastened


-
Turn Signal On


-
Park Brake Warning


-
Door Ajar Warning


-
Check gages


?€¢
Gage control. Refer to Instrument Cluster Description and Operation in Instrument Panel, Gages, and Console.


?€¢
Instrument cluster indicator control. Refer to Instrument Cluster Description and Operation in Instrument Panel, Gages, and Console.


?€¢
Theft deterrent. Refer to Theft Systems Description and Operation .


?€¢
Engine coolant level sensing. Refer to Cooling System Description and Operation .


?€¢
Washer solvent level sensing. Refer to Wiper/Washer System Description and Operation in Wipers/Washer Systems.


?€¢
Key-in-ignition sensing. Refer to Audible Warnings Description and Operation in Instrument Panel, Gages, and Console.


?€¢
Seat belt use sensing. Refer to Seat Belt System Description and Operation .


?€¢
Brake fluid level sensing.


?€¢
Parking brake state sensing.


?€¢
Rear compartment interface. Refer to Power Door Locks Description and Operation


?€¢
Horn interface.


?€¢
Door lock interface. Refer to Power Door Locks Description and Operation


?€¢
Bulb Check. Refer to Instrument Cluster Description and Operation in Instrument Panel, Gages, and Console.

Oct 24, 2016 | 2004 Pontiac Grand Am

2 Answers

2003 navigator interior Lights and driving lights won't turn off. Door ajar warning on


Is your 'door ajar' or 'dome light' staying on? Forum members suggest various methods that they fixed their issue. The methods include:
  • Adjusting the dimmer
  • Spraying the switch with a lubricant
  • Replacing the switch
  • Replacing the relay

Sep 28, 2016 | Cars & Trucks

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

    Interior lights blink off and on, does not stop


    Interior lights blink off and on ????? As in dome lamps, dash light's etc...??? An what the heck is this mean We were told to hinge the module?????? I have been an automotive technician over 30 yr's an never heard the term hinge the module. The interior lighting on your vehicle is controlled by the smart junction box , ford's BCM body control module . ( Electronic's ) Who checked the vehicle ? Dealer ?
    Interior Lighting The interior lighting system consists of the following:
    • Smart junction box (SJB)
    • Interior/map lamp assembly
    • Rail lamps (if equipped)
    • Glove compartment lamp assembly
    • Dimmer switch
    • Illuminated vanity mirrors (if equipped)
    • Rear cargo lamp
    • Puddle lamps (if equipped)
    • Door ajar switches
    • Liftgate glass ajar switch
    The interior lighting system consists of 2 subsystems:
    • Courtesy lamps
    • Demand lamps
    The courtesy lamps are controlled by the SJB. The courtesy lamp subsystem consists of the ajar switches, the interior dome lamps, the puddle lamps, the roof rail lamps, the cargo lamp, and the overhead console lamps (if equipped). The SJB supplies voltage to the courtesy lamps when the SJB receives the required input.
    The demand lamps subsystem consists of the glove compartment lamp, the dimmer switch, the cargo lamp, all map/reading lamps, the roof rail lamps, and the LH and RH vanity mirror lamps.
    The SJB supplies power to the interior lighting system. The SJB sets DTCs if certain circuit failures exist with the interior lighting system.
    Visual Inspection Chart Mechanical Electrical
    • Courtesy lamps
    • Map lamps
    • Vanity lamps
    • Door ajar switches
    • Smart junction box (SJB) fuse(s):
      • 9 (15A)
      • 10 (15A)
      • 25 (10A)
    • Circuitry
    • Courtesy lamps
    • Map lamps
    • Cargo lamps
    • Vanity lamps
    • Glove compartment lamp
    • Dimmer switch
    • SJB

    1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    1. NOTE: Make sure to use the latest scan tool release software. If the cause is not visually evident, connect the scan tool to the data link connector (DLC).
    1. NOTE: The vehicle communication module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM. If the scan tool does not communicate with the VCM:
      • Check the VCM connection to the vehicle.
      • Check the scan tool connection to the VCM.
      • Refer to Section 418-00 , No Power To The Scan Tool, to diagnose no communication with the scan tool.
    1. If the scan tool does not communicate with the vehicle:
      • Verify the ignition key is in the ON position.
      • Verify the scan tool operation with a known good vehicle.
      • Refer to Section 418-00 to diagnose no response from the powertrain control module (PCM).
    1. Carry out the network test.
      • If the scan tool responds with no communication for one or more modules, refer to Section 418-00 .
      • If the network test passes, retrieve and record the continuous memory DTCs.
    1. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB.
    1. If the DTCs retrieved are related to the concern, go to the Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Chart or the Power Liftgate Module Diagnostic Trouble Code (DTC) Chart. For all other DTCs, refer to Section 419-10 .
    1. If no DTCs related to the concern are retrieved, GO to Symptom Chart .
    Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Chart DTC Description Action B1320 Driver Door Ajar Circuit Open Go To Pinpoint Test C . B1328 Passenger Door Ajar Circuit Open Go To Pinpoint Test C . B1331 Decklid Ajar Rear Door Circuit Failure Go To Pinpoint Test C . B1336 Door Ajar RR Circuit Open Go To Pinpoint Test C . B1572 Door Ajar LR Circuit Go To Pinpoint Test C . B1688 Lamp Dome Input Circuit Short to Ground Go To Pinpoint Test C . B2077 Liftgate Ajar Circuit Failure Go To Pinpoint Test C . B2A35 Interior Lighting Output Circuit Open If the courtesy lamps are inoperative, Go To Pinpoint Test A .
    If the courtesy lamps stay on continuously, Go To Pinpoint Test C . B2A36 Interior Lighting Output Circuit Short to Ground Go To Pinpoint Test A . B2A39 Puddle Lamp Output Circuit Open Go To Pinpoint Test J . B2A3A Puddle Lamp Output Circuit Short to Ground If the puddle lamps are inoperative, Go To Pinpoint Test J .
    If the puddle lamps are always on, Go To Pinpoint Test L . All other DTCs - REFER to Section 419-10 .

    Oct 08, 2017 | Ford Expedition Cars & Trucks

    1 Answer

    97 lincoln town car door ajar stays on and reading lights wont go out when driving what can i do all doors are shut


    unhook your battery for 5 mins then hook it back up go to each door and open and close one at a time that way you know which door is having the problem once you find that out replace the door switch and problem fixed or just dont open that door.

    Mar 27, 2012 | 1997 Lincoln Town Car

    1 Answer

    2004 crown vic interior lights stay on


    Don't think you have a door ajar switch problem , more then like the lighting control module is the culprit . Does the door ajar light on the instrument cluster stay lit ?
    The interior lighting can be separated into two distinct modes of operation: the courtesy lighting and the demand lighting. The lighting control module (LCM) controls all of the interior lighting in the vehicle, as described in the following text.
    The front dome lamps, rear reading lamps, and instrument panel courtesy lamps, can be illuminated either by opening any of the vehicle doors (courtesy lamp function) or by depressing the headlamp switch (demand lamp function).
    When any door is open, the door ajar switch grounds an input to the LCM which then sends power to the courtesy lamps. The voltage sent to the courtesy lamps gradually increases from 0 volts to 12 volts within 500 ms (± 50 ms), to achieve the theater lighting effect. When the door(s) are closed the door ajar switch(es) break(s) the ground to the LCM input which then gradually reduces the power from 12 volts to 0 volts within 5 seconds. (± .5 second).
    When the headlamp switch is depressed it grounds an input to the LCM which in turn sends 12 volts to the front dome lamps, rear reading lamps, and instrument panel courtesy lamps. When the headlamp switch is depressed a second time, it breaks the ground to the LCM input which then ceases to send power to the front dome lamps, rear reading lamps, and instrument panel courtesy lamps.

    The battery saver will disrupt power to the courtesy lamps after 10 minutes, the demand lamps after 30 minutes, and the headlamps after 10 minutes. Turning the ignition switch to the RUN or ACC position will terminate the battery saver feature by disabling the interrupt timers and reinstate power to the lamps.
    Do you know what DTC'S are ? diagnostic trouble codes !
    LCM Diagnostic Trouble Code (DTC) Index DTC Description Source Action B1322 Driver Door Ajar Circuit Short to Ground LCM Go To Pinpoint Test F . B1442 Door Handle Switch Circuit Failure LCM Go To Pinpoint Test G . B1445 Door Handle Switch Circuit Short to Ground LCM Go To Pinpoint Test G . B1563 Door Ajar Circuit Failure LCM Go To Pinpoint Test C . B1566 Door Ajar Circuit Short to Ground LCM Go To Pinpoint Test H . B1685 Lamp Dome Input Circuit Failure LCM Go To Pinpoint Test I . B1687 Lamp Dome Input Circuit Short to Battery LCM Go To Pinpoint Test I . - All Other DTCs LCM REFER to Section 419-10 .

    PINPOINT TEST C: THE COURTESY LAMPS STAY ON CONTINUOUSLY CONDITIONS DETAILS/RESULTS/ACTIONS C1 CHECK THE SYSTEM OPERATION Open and close each door, making sure that each door is completely closed.
    • Are the courtesy lamps still illuminated after the 25 second time-out period?
    Yes GO to C2 .

    No The system is operating correctly. C2 TEST DOME LAMP SWITCH Depress the dome lamp switch.
    • Are the courtesy lamps still illuminated?
    Yes DEPRESS the dome lamp switch a second time. GO to C3 .

    No The system is operating correctly. C3 CHECK THE LIGHTING CONTROL MODULE
    LCM C2145a

    • Are the courtesy lamps still illuminated?
    Yes REPAIR circuit 53 (BK/LB). REPEAT the self-test. CLEAR the DTCs.

    No INSTALL a new LCM. REFER to Section 419-10 . REPEAT the self-test. CLEAR the DTCs.

    Apr 16, 2017 | 2004 Ford Crown Victoria

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