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Body control module location

Where is the body control module located, and is it the module that activates the alarm and imobilises the vehicle

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SOURCE: Where is the Audi A4, 2006 Multitronic (CVT)

The computer usually sits on the wall next to the driver's legs, but yours could be under the seats, or under the dash, that one I don't know, but it should be kept dry, not under the hood. The valve body is in the transmission. It is accessible from underneath, just under the filter, or on top I should say, holds all your shift solenoids etc.

Posted on Sep 28, 2010

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2000 cadilac seville occasionally doesnt respond when ignition key is inserted, no memory position adjustments, no starter when key turned. is it key or ignition switch. everything usually works fine


Is the security light lit on the instrument when it doesn't start ? The ignition switch on your vehicle doesn't work like you would probably think it does . The ignition switch is input signal to the body control system .
Body Control System Description
The body control system consists of three modules and their associated electrical controls. These modules are as follows:
• The dash integration module (DIM), located on the right hand side of the instrument panel, near the blower motor.
• The instrument panel integration module (IPM), located in the center of the instrument panel, above the radio.
• The rear integration module (RIM), located on the right hand rear of the passenger compartment, behind the rear seat.
Each module integrates input and output controls for two or more functional areas. The inputs and outputs are wired to the closest module to minimize the lenth and amount of the wiring used. All three modules communicate on the Class 2 serial data line, allowing data to be shared among them, as well as with other Class 2 modules on the vehicle as needed.

Each of the three body control modules integrate a number of functional systems under the control of a single module. Each of the modules are connected to the Class 2 serial data line.
Dash Integration Module (DIM)
The dash intergration module (DIM) functions include the following:
• Power moding control (ignition switch states) over Class 2 serial data line
• Control of exterior lamps
• Interior lamps and incandescent dimming
• Steering wheel controls
• Horn relay control for theft activation
• Low side temperature for HVAC compressor
• Hood ajar switch input (export)
• Storage of the clock settings and, sending a message on the class 2 serial data line in response to requests from other modules.

Instrument Panel Integration Module (IPM)
The instrument panel integration module (IPM) functions include the following:
• Front HVAC air delivery and temperature controls
• Ambient light sensor input and twilight delay input for headlights control
• Foglight switch inputs
• I/P dimmer switch input
• Traction control switch input
• Interior lamps switch input
• Key in ignition switch input from the ignition switch
• Fuel door and rear compartment lid release switch input
• Ignition switch headlight control

Rear Integration Module (RIM)
The rear integration module (RIM) functions include the following:
• Fuel level sensor input
• Heated seat controls
• HVAC blower control
• Rear defogger control
• Park brake relay controls
• Various controls for the interior lamps
• Reverse control for the backup lamps and automatic day/night mirror
• Rear foglights control
• Fuel door and rear compartment lid release controls
• Retained accessory power (RAP) control for the sunroof control module
• Ajar switch and tamper switch inputs from the rear compartment lid
• Content theft alarm

At the dealer we would hook up a scan tool and look at the ignition switch inputs to the DIM to see if has correct inputs . Also we would check DTC'S diagnostic trouble codes .
DTC B1805 Ignition Switch Problem

Normal vehicle Class 2 communication does not begin until the system power mode has been identified. The dash integration module (DIM) monitors four discrete wires from the ignition switch contacts in order to determine the present power mode (ignition switch position). The DIM communicates the system power mode to all Class 2 modules on the Class 2 serial data line.
http://www.public.asu.edu/~pheanis/documents/VBI_CLASS2.pd

Jan 12, 2017 | 2000 Cadillac Seville

1 Answer

If I lock my 2006 Chevy Cobalt, the security system will randomly lock and unlock the doors accompanied with the horn honking


I think you have a BCM - body control module problem ! The BCM controls the automatic door locks .
Automatic Door Lock Operation
This BCM controlled feature can be personalized to driver preference. Refer to Power Door Systems Connector End Views Personalization Description and Operation in Personalization.
The BCM will automatically lock the vehicle doors if the following conditions exist:
?€¢
All vehicles doors are closed.


?€¢
The ignition is in the ON position.


?€¢
The vehicle is shifted out of PARK.

The BCM will then unlock the doors when the ignition is placed in the OFF position. Do the exterior lights flash as well as the horn sounding ?
Body Control Module (BCM)
The
Content Theft Deterrent
system is an internal function of the Body Control Module (BCM) which utilizes class 2 serial data and various switch input information to perform CTD functions. When the BCM detects an unauthorized entry, it activates the horns and exterior lamps.
When the BCM detects an unauthorized entry, the BCM enters the alarm mode. The BCM activates the horns and exterior lamps for 2 minutes. This is followed by a 3 minute time-out with the horn no longer active. If no new intrusions are detected after the time-out, the horn is not active. The system must be disarmed or the intrusion condition removed after the time-out for the system to exit alarm mode.

Dec 23, 2015 | 2006 Chevrolet Cobalt

1 Answer

Where is my door chime located impala 2002


It comes through the radio an left front speaker .
The audible warnings alert the driver of a system concern or a critical vehicle condition. The radio generates the audible warnings through the left front speaker. The radio receives audible warning requests via the class 2 serial data line. If the radio receives multiple audible warning requests, the warning with the highest priority sounds first. The Multifunction Alarm generates the audible warnings on vehicles with RPO UL5 -- Radio Delete Option. The following lists the audible warning priority and the pulse rate:
The radio activates the door ajar audible warning as requested by the body control module (BCM). The BCM sends a class 2 message to the radio indicating the chime frequency of a medium rate and at a continuous duration. The door ajar warning sounds and the door ajar indicator illuminates when the following occurs:
  1. The body control module (BCM) determines that the driver's door is open and the signal circuit low. The IPC receives a message via class 2 from the BCM requesting illumination of the door ajar indicator.
  2. The vehicle is not in park. The BCM receives a class 2 message from the PCM indicating the gear position.
Class 2 Serial Data Link
The class 2 serial data link allows the following modules to communicate and share data with each other:
?€¢
Auxiliary Power Drop Connector


?€¢
Body Control Module (BCM)


?€¢
Driver Information Center (DIC)


?€¢
Electronic Brake Control Module (EBCM)


?€¢
Instrument Panel Cluster (IPC)


?€¢
Powertrain Control Module (PCM)


?€¢
Radio


?€¢
Remote Playback Device-CD Player (if equipped with UQ3)


?€¢
Inflatable Restraint Sensing and Diagnostic Module (SDM)


?€¢
Vehicle Interface Unit (VIU) (if equipped)

The class 2 serial data link allows a scan tool to communicate with the above modules for diagnostic and testing purposes.

Nov 16, 2015 | Cars & Trucks

1 Answer

Where is the alarm system on 2005 lincoln ls?


Anti-Theft - Perimeter The anti-theft perimeter protection feature is controlled by the front electronic module (FEM), the rear electronic module (REM), and the driver door module (DDM). The alarm can be armed using:
  • the LOCK button in the remote keyless entry (RKE) transmitter to the DDM, which sends a message through the standard corporate protocol (SCP) communications network to the FEM.
  • the driver or passenger door lock switch if the corresponding door is open when LOCK is actuated.
  • the key in the driver door lock cylinder.
  • the RKE keypad by pressing 7/8 and 9/0 simultaneously.
The FEM and REM then monitor all features, which activate the alarm in the event of an unauthorized entry.
The luggage compartment lid lock cylinder does not disarm the vehicle's perimeter alarm. The luggage compartment alarm can be temporarily inhibited through the luggage compartment lid disarm switch, located in the luggage compartment lock cylinder or by opening the lugguage compartment with the RKE transmitter or the RKE keypad. Once the luggage compartment lid closes, the perimeter alarm system immediately starts monitoring the luggage compartment. The perimeter alarm can only be disarmed:
  • by unlocking the vehicle using the RKE transmitter.
  • by unlocking the vehicle using the driver door lock cylinder switch.
  • by cycling to RUN a valid programmed key in the ignition switch.
  • by entering the correct vehicle unlock code on the RKE keypad.
Additionally, an ignition switch tamper circuit and a signal hardwire line from the FEM to the REM are monitored.
If any of the above features receive any activation once the alarm is armed, the alarm activates the visual and audible alerts. ......

Jan 06, 2015 | 2005 Lincoln LS

1 Answer

Factory alarm wont turn off on a 2001 Chevrolet monte Carlo. Making honk go off till it drains battery.


Try shutting it off with the door key . Lock and unlock the drivers door with it.

Nov 06, 2014 | 2001 Chevrolet Monte Carlo

2 Answers

What is (P1612 code) vehicle immobilizer means?


An immobilizer is an electronic device fitted to an automobile which prevents the engine from running unless the correct key is present. This prevents the car from being hot wired after entry has been achieved.
The microcircuit inside the key is activated by a small electromagnetic field which induces current to flow inside the key body, which in turn broadcasts a unique binary code which is read by the automobile's Engine Control Module (ECM). When the ECM determines that the coded key is both current and valid, the ECM activates the fuel-injection sequence.
The immobilizer function of the Nissan Vehicle Immobilizer System (NVIS) or Nissan Anti-Theft System (NATS) consists of the following:
- NATS ignition key
- NATS antenna amp. located in the ignition key cylinder
- Body control module (BCM) or (IMMU)
- Engine Control Module (ECM)
- Security indicator lamp


Read more: http://engine-codes.com/p1612_nissan.html#ixzz3EVZorKsl

Sep 27, 2014 | 2002 Nissan Pathfinder

1 Answer

Bcm


86a7ee42-4a63-4dbb-a034-1afa41a19200.jpgAre you talking about the module for the central locking system, alarm a delayed lights ? There really isn't a BCM that controls everything like in the newer vehicles. That's about the only one I can think of for body control functions other than the module for a sun roof. If this is the what you are looking for, this module is located in the trunk of the vehicle on the right (passenger) side behind the trim. Hope this helped you.

Jul 13, 2013 | 1999 Audi A4

1 Answer

Identify imobiliser on nissan 300 zx


It is built into the main engine control processor called the PCM and it talks to other modules, so it is not just one part.

Jul 20, 2012 | 1992 Nissan 300ZX

1 Answer

Where is the body control module located?


the body control module is located on the drivers side of the vehicle under te lower kick panel yor flasher unit is located there as well so to find it easier turn on your hazard flashers and follow the clicking its in a junction block

May 06, 2010 | 1997 Plymouth Grand Voyager

1 Answer

Try to locate body control module on a 94 buick park ave


BCM --The Body Control Module is located on the right side of the vehicle and positioned under the instrument panel. In order to gain access to the module, it will be necessary to first remove the trim panel.

Jun 23, 2009 | 1994 Buick Park Avenue

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