Question about 1994 Mercedes-Benz C-Class

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LCM im looking for the location of the lamp control module

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Are you referring to a "Daytime light control unit" (below left side of instrument cluster, or actually behind) or "Exterior lamp failure monitoring module" (it's in left component compartment).

Posted on Apr 14, 2014

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1 Answer

Where is my relay and fuse location at for the day time running lights on a 1997 oldsmobile aurora


There is not a separate fuse nor is there a relay ,A LCM - lamp control module controls the DRL .
the lamp control module (LCM) supplies battery positive voltage (B+) through the DRL resistor to the low beam headlamps. The voltage drop across the DRL resistor causes the low beam headlamps to light at a reduced intensity. The DRL are disabled if the high beam headlamps are on or if the gear selector is placed in the PARK position. When the ambient light sensor indicates darkness, the low beams automatically switch to regular intensity.

Lamp Control Module (LCM) (Oldsmobile)
Under the left side of the IP, to the left of the steering column

Daytime Running Lamps (DRL) Resistor
To the left of the engine compartment, near the underhood fuse block

May 01, 2017 | Oldsmobile Cars & Trucks

1 Answer

2005 merc grand marquis Headlights keep blowing a fuse


Does your Grand Marquis have head lamps with auto lamps ? Which fuse keeps blowing ? Could be a shorted LCM - lighting control module ?

Lighting Control Module (LCM)
The LCM eliminates the electronic interference and heat associated with the thermoelectric devices used previously. The LCM is a microprocessor-based module that controls several vehicle subsystems. It responds to electrical input signals from various switches, sensors, and external modules..

Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
  • Central junction box (CJB) fuse(s).
    • 1 (15A)
    • 9 (20A)
    • 26 (10A)
    • 15 (7.5A)
    • 7 (10A)
  • Headlamp bulb
  • Circuitry
  • Headlamp switch
  • Lighting control module (LCM)
  • Underhood power distribution box (PDB)
    • F104 (40A)
    • F01 (20A)
    • F02 (25A)

Feb 12, 2017 | Cars & Trucks

1 Answer

Where is the turn signal flasher on a 2000 lincoln towncar signature series


Has no flasher !
Lighting Control Module
This vehicle uses a lighting control module (LCM). This eliminates the electronic interference and heat associated with the thermo-electric devices used previously. The LCM:
  • Is a microprocessor based module that controls several vehicle subsystems.
  • Responds to electrical input signals from various switches, sensors, and external modules.
  • Is located on the LH side of the instrument panel.
  • Subsystem functions include:
    • Headlamps with autolamps.
    • Turn signal lamps/hazard flasher lamps.
    • Cornering lamp.
    • Parking lamp.
    • Daytime running lamps (DRL) (Canada only).
    • Courtesy lamps.
    • Demand lamps.
    • Battery saver.
    • Backlighting.
    • Interfaces with the driver door module (DDM) via SCP for illuminated entry
Inspection and Verification
  1. Verify the customer concern by operating the turn signal/cornering/hazard lamps.
  1. Visually inspect for obvious signs of mechanical and electrical damage; refer to the following chart:
Visual Inspection Chart Mechanical Electrical
  • Multi-function switch
  • Blown fuse(s)
  • Damaged wiring harness
  • Loose or corroded connection
  • Turn signal/hazard bulb(s)
  • Lighting control module (LCM)
  1. If the inspection reveals obvious concern(s) that can be readily identified, repair as required.
  1. If the concern remains after the inspection, connect the scan tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the scan tool menu. If the scan tool does not communicate with the vehicle:
    • check that the program card is properly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  1. If the scan tool still does not communicate with the vehicle, refer to the scan tool manual.
  1. Perform the DATA LINK DIAGNOSTIC TEST. If the scan tool responds with:
    • CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Section 418-00 .
    • NO RESP/NOT EQUIP for lighting control module (LCM), go to Pinpoint Test A.
    • SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and perform self-test diagnostics for the LCM.
  1. If the DTCs retrieved are related to the concern, go to the LCM Diagnostic Trouble Code (DTC) Index to continue diagnostics.
  1. If no DTCs related to the concern are retrieved, proceed to Symptom Chart to continue diagnostics.

Aug 24, 2015 | Lincoln Cars & Trucks

2 Answers

Iwhere is the turn signal flasher located


  1. CAUTION: Prior to removal of module, it is necessary to upload module configuration information to a scan tool. This information needs to be downloaded into the new module once installed. For additional information; refer to Module Configuration. Ignore numbering on left of page


  2. There isn't a flasher...It is a module called the LCM ( Lighting Control module)...It needs to be replaced and requires a scan tool...Not a backyard project...




  3. Disconnect the battery ground cable.
  1. Remove the LH instrument panel lower insulator.
    1. Remove the pin-type retainers.
    1. Disconnect the courtesy lamp.
    1. Remove the LH instrument panel insulator.

iwhere-turn-signal-flasher-located-wtik1u3pjfqjepqdinj1lpkj-5-0.gif
  1. Position the LCM aside.
    1. Remove the screws.
    1. Release the locking tab.
    1. Position the LCM aside.

iwhere-turn-signal-flasher-located-wtik1u3pjfqjepqdinj1lpkj-5-2.gif
  1. Remove the LCM.
    1. Disconnect the electrical connectors.
    1. Remove the LCM.

iwhere-turn-signal-flasher-located-wtik1u3pjfqjepqdinj1lpkj-5-5.gif saailer

Jun 19, 2015 | 2000 Mercury Grand Marquis

1 Answer

1996 olds aurora running light control module and headlight control module are they one in the same or two differant parts


Hello! One in the same...It is called the Lamp Control Module (LCM)... The (LCM ) is located under the dash on the drivers side next to the emergency brake . There are two modules on a plastic bracket. The LCM is on the right. On a 96 Aurora the part number is LCM 25638307...The module on the left is the Malfunction Alarm Lighting and Locking (MALL) module... The MALL is also called the Body Control Module (BCM)...Which controls the Interior Lights and Door locks...Here is a photo of the two modules with the lower dash removed...Note labels; BCM on the left and LCM on the right...Guru...Saailer





saailer_221.jpg

Oct 16, 2011 | Cars & Trucks

1 Answer

Can't turn off headlights on 2001 crwn victoria polce intercepter


I hate to say this but it sounds like the dreaded expensive LCM, Lighting Control Module. It is the common cause. New is $550. It is above the brake pedal and steering coumn under the dash.

There is a guy on ebay who fixes them and sells you the last one he fixed. Then you send yours back for a core charge refund. He is in California.

Here is what it controls. DO you have auto lamps? Also, pleae rate this help, thx

Lighting Control Module (LCM)
The LCM eliminates the electronic interference and heat associated with the thermoelectric devices used previously. The LCM is a microprocessor- based module that controls several vehicle subsystems. It responds to electrical input signals from various switches, sensors, and external modules.
LCM subsystem functions include:
  • headlamps with autolamps
  • turn signal lamps/hazard flasher lamps
  • cornering lamps
  • parking lamps
  • courtesy lamps
  • demand lamps
  • battery saver
  • backlighting
------------------------------------------------------------
The system consists of:
  • a light-sensitive light sensor amplifier
  • a lighting control module (LCM)
  • an autolamp time delay control (part of the headlamp switch and includes an OFF position)
------------------------------------------------------------------------------------------------------------------
see owner manual for fuse box location
  • The autolamps are inoperative - the autolamps are always on
  • CJB fuse 21 (15A).
  • Circuitry.
  • Autolamp switch (part of the headlamp switch).
  • Light sensor amplifier.
  • LCM.

---------------------------------------------------------------------------------------------------------
dealer has scan tool to do this test. About 1/2 hour labor charge.
  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 concern remains after the inspection, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel 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 manual.
  1. Carry out the DATA LINK DIAGNOSTIC TEST. If the diagnostic tool responds with:
    • CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Section 418-00 .
    • NO RESP/NOT EQUIP for LCM, 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 LCM.
  1. If the DTCs retrieved are related to the concern, go to the LCM Diagnostic Trouble Code (DTC) Index.
-------------------------------------------------------------------------
Module -Lighting Control (LCM) Removal and Installation
  1. s1a~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of the lighting control module (LCM), it is necessary to upload module configuration information to a diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    Disconnect the battery ground cable. For additional information, refer to Section 414-01 .
  1. Remove the LH instrument panel lower insulator.
    1. Remove the pin-type retainers.
    1. Disconnect the courtesy lamp.
  1. If equipped with adjustable pedals, remove the accelerator pedals, and shaft. For additional information, refer to Section 310-02 .
  1. Position the LCM aside.
    1. Remove the screws.
    1. Release the locking tab.
  1. Disconnect the electrical connectors and remove the LCM.

snorkelbobby_69.gif

Jun 23, 2011 | Ford Crown Victoria Cars & Trucks

2 Answers

All my gauges and even speedometer and odometer have stopped working on my 2001 crown victoria. Any advise? The kick panel above the brake pedal is loose and every now and then if I push up on the loose...


If you can kick the panel and it work, then there is a loose connection somewhere. Start at the fuse block and make sure you have a good connection there, then move forward.

May 26, 2011 | 2001 Ford Crown Victoria

1 Answer

Where is my fuse for my turn signal


Circuit Protection Fuses/ Circuit Breakers Flashers are serviced as part of the lighting control module.
(Special police packages have flasher units and relays in the trunk relay center)
The Lighting Control Module (LCM) contains controls for both interior and exterior lighting, back lighting, the battery saver and various warning chimes.
The LCM eliminates the electronic interference and heat associated with the thermo-electric devices (bi-metallic and other mechanical flashers) used previously. The LCM is a microprocessor module that commands several lighting subsystems. It responds to electrical input signals from the vehicles various switches, sensors, and external modules.
LCM subsystem functions include:
  • Headlamps with auto-lamps
  • Turn signal lamps/hazard flasher lamps
  • Cornering lamps
  • Parking lamps
  • Courtesy lamps
  • Demand lamps
  • Battery saver
  • Backlighting
Interfacing with the Driver Door Module (DDM) via Standard Corporate Protocol (SCP) for illuminated entry
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Jul 21, 2010 | 2000 Mercury Grand Marquis

1 Answer

Door module


no, different.

Principles of Operation
Note: Upon installation of a new driver door module (DDM), the module must be reconfigured. Refer to Section 418-01 . The DDM is connected on the standard corporate protocol (SCP) communication network. The DDM controls many functions including power windows, power door locks and remote keyless entry. The DDM also communicates with the driver seat module (DSM) to control the power mirror and seat memory functions.
--------------------------------------------------
Principles of Operation
The driver seat module (DSM) is connected on the standard corporate protocol (SCP) communication network. The DSM controls the driver power seat and communicates with the driver door module (DDM) to control the driver seat memory and both outside memory mirror functions.
---------------------------------------------------
Principles of Operation
The lighting control module (LCM) is a microprocessor based module that controls several vehicle subsystems. The LCM responds to electrical input signals from various switches, sensors, and external modules. The LCM is located under the LH side of the instrument panel. Subsystem functions of the LCM include headlamps with autolamps, turn signal lamps/hazard flasher lamps, cornering lamps, parking lamps, daytime running lamps (DRL), courtesy lamps, demand lamps, battery saver and control backlighting. The LCM interfaces with the driver door module (DDM) through the standard corporate protocol (SCP) communication network for the illuminated entry feature.
----------------------------------------------------
Principles of Operation
The air suspension module is linked to its own data link connector (DLC). The air suspension module controls the air suspension and the variable assist power steering VAPS. For additional air suspension system information, refer to Section 204-05 .
The air suspension module is used to monitor and control the VAPS system. The VAPS system controls the level of power assistance available to the driver based on vehicle speed and rate of change in steering position. For additional VAPS system information, refer to Section 211-00 .
-------------------------------------------
DESCRIPTION AND OPERATION Module Controlled Functions
DIAGNOSIS AND TESTING Diagnostic Trouble Code Chart Air Suspension Module Principles of Operation
Inspection and Verification
Symptom Chart
Pinpoint Tests
Driver Door Module (DDM) Principles of Operation
Inspection and Verification
Symptom Chart
Pinpoint Tests
Driver Seat Module (DSM) Principles of Operation
Inspection and Verification
Symptom Chart
Pinpoint Tests
Lighting Control Module (LCM) Principles of Operation
Inspection and Verification
Symptom Chart
Pinpoint Tests
REMOVAL AND INSTALLATION

Apr 24, 2009 | 2004 Lincoln Town Car

1 Answer

Headlights won't come on, now car won't start.


It is definitely the Lighting Control Module. Just fixed one for a friend. It has internal printed circuit board failure.
It is easy repair but it is expensive. New are 500. Controls much more than lights. Alarm, air bag, door key pad, etc.

You need to have correct part for 2003. tascafordparts,com has the for about $250.

It's just above brake pedal. remove the sond panel. The module will come out without removing other components.

Lighting Control Module (LCM)
The LCM eliminates the electronic interference and heat associated with the thermoelectric devices used previously. The LCM is a microprocessor- based module that controls several vehicle subsystems. It responds to electrical input signals from various switches, sensors, and external modules.
LCM exterior lighting subsystem functions include:
  • headlamps with autolamps (if equipped)
  • turn signal lamps/hazard flasher lamps
  • cornering lamps
  • parking lamps
  • battery saver
Principles of Operation
The lighting control module (LCM) is a microprocessor-based module that controls several vehicle subsystems. The LCM responds to electrical input signals from various switches, sensors, and external modules. The LCM is located under the LH side of the instrument panel. Subsystem functions of the LCM include headlamps with autolamps, turn signal lamps/hazard flasher lamps, cornering lamps, parking lamps, courtesy lamps, demand lamps, battery saver and control backlighting.
Module —Lighting Control (LCM) Removal and Installation

  1. Remove the LH instrument panel lower insulator.
    1. Remove the pin-type retainers.
    1. Disconnect the courtesy lamp.
2baa00d.gif
  1. Position the LCM aside.
    1. Remove the screws.
    1. Release the locking tab.
b8e3948.gif
  1. Disconnect the electrical connectors and remove the LCM.
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Apr 20, 2009 | 2003 Mercury Grand Marquis

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