Ford Falcon. Manual — part 393

Template for drilling hole in console base:

1. Fold paper at dotted line and fit into console in place of carpet with arrow facing forwards
2. Drill 25mm hole at point marked

Facing toward front of console

DRILL HERE

419-10-1

Body Electronics Module (BEM)

419-10-1

SECTION : 419-10 Body Electronics Module (BEM)

VEHICLE APPLICATION : 2003.0 BA Falcon
CONTENTS

PAGE

DESCRIPTION AND OPERATION

Body Electronics Module . . . . . . . . . . . . . . . . . . . . . . . . . ..419-10-2

DIAGNOSIS AND TESTING

Body Electronics Module . . . . . . . . . . . . . . . . . . . . . . . . . ..419-10-9

Inspection and Verification . . . . . . . . . . . . . . . . . . . . . . . . ...419-10-9

Symptom

Chart

. . . . . . . . . . . . . . . . . . . . . . . . . . . . ..419-10-13

Connector Circuit Reference . . . . . . . . . . . . . . . . . . . . . . . ..419-10-19

Pinpoint

Tests

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419-10-24

GENERAL PROCEDURES

Remote Key Teaching . . . . . . . . . . . . . . . . . . . . . . . . . . 419-10-30

Receiver Resynchronization . . . . . . . . . . . . . . . . . . . . . . . ...419-10-30

Dealer DST Ignition Key Teach Mode . . . . . . . . . . . . . . . . . . . . 419-10-30

Customer DST Ignition Key Teach . . . . . . . . . . . . . . . . . . . . . .419-10-30

Lost Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419-10-30

Customer Key Erasure . . . . . . . . . . . . . . . . . . . . . . . . . . 419-10-30

PCM Parameter Reset . . . . . . . . . . . . . . . . . . . . . . . . . . 419-10-30

Cabin Temperature Sensor Calibration Factor . . . . . . . . . . . . . . . . ...419-10-30

Changing BEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419-10-31

REMOVAL AND INSTALLATION

The BEM and Remote Receiver . . . . . . . . . . . . . . . . . . . . . . .419-10-32

419-10-2

Body Electronics Module (BEM)

419-10-2

DESCRIPTION AND OPERATION

delay determined by the vehicle road speed and the

Body Electronics Module

position of the wipe potentiometer. As the vehicle

speed increases above 8km/h, the dwell time will be

General Description

reduced. When the vehicle speed is decreased then

The Body Electronics Module, hereafter referred to as

the wiper dwell time will extend.

BEM, combines a transponder Challenge /Response

immobilisation system with the Body electronics

Vehicle speed information is sent to the BEM via the

functions. The BEM interfaces with a Integrated

CAN BUS.

Command Centre (ICC). There are two levels of BEM; When the wiper dwell potentiometer is fitted to the

a High series and a Low series; these are identified

wiper switch, five dwell positions can be selected.

as BEM/H and BEM/L.

Over the speed range zero to 80 km/h 11 increments

of 8 km/h adjust the wiper dwell time. When the

All current, resistance, frequency figures are

± 10%

vehicle accelerates from zero to 8km/h the next wipe

unless specified otherwise. All voltage readings will be

will be brought forward to provide a Wipe On Take Off

as specified.

function. With no speed information to the BEM from

the CAN BUS the wiper dwell time will be as follows:

Position 1, 4.1 secs.
Position 2, 6.6 secs.
Position 3, 9.1 secs.
Position 4, 11.1 secs.
Position 5, 14.1 secs.

Front Wipe After Wash Control, Low Series
When activating the wash switch with the ignition

turned on, there will be a small delay of 0.4 seconds

before the wipers operate until the washer switch is

released. A further three wipes will be performed

before parking at the bottom of the windscreen. If

intermittent wipe function is active, it will be

Accessories Line Status

suspended whilst the wash function is in progress and

resume once the wash switch is deactivated.

The BEM reports the status of the Accessories line via

the CAN BUS. The Accessories line is high when the

Wash function will also be suspended if the engine is

ignition switch is in the Accessories and Ignition

being started.

positions and open in the Start position.

Switching the ignition switch to the off position will

cancel the wash function.

Heated Backlight Timer
The Heated back light may be activated when the

Front Wipe After Wash Control, (High Series)

ignition switch is in the Ignition or accessories

Activating the front washer switch momentarily with

position. Pressing the heated backlight switch

the ignition switch in the on position on a high series

momentarily is reported over the CAN BUS. Once the

vehicle will activate the washers for a period of 1.2

message is received by the BEM, the Backlight relay

seconds. If a longer period is required than this then

is activated by pin J2/10 (cct 686 violet) being

hold the washer switch in the on position for the

switched low. The relay will remain energised for 15

desired period of time, after the washer motor is

minutes or until the backlight switch is activated again

activated 0.4 seconds the wipers will perform

or the ignition switch is turned to the off position.

approximately three wipes then park. If the

During the engine starting process the timer will be

intermittent wipe function is active, it will be

suspended, once the engine is started, the timer will

suspended whilst the wash function is in progress and

resume the timed period.

resume once the wash switch is deactivated.

Front Intermittent Wiper Timer

Wash function will be cancelled if the engine is being

Vehicles may be fitted with Variable Dwell; Speed

started.

Dependant Wiper and Wipe on take off functions. If

Switching the ignition switch to the off position will

the wiper dwell potentiometer is not connected then

also cancel the wash function.

the wiper dwell will be fixed to a period of 7 seconds.

Switching the front intermittent wiper switch to the

Washer Fluid level (High series)

intermittent position whenever the ignition switch is

With the ignition switch in the Accessories, Ignition or

turned on will enable the intermittent function.

Start position; the status of the washer bottle is

Whenever the intermittent function is enabled, the

updated via the CAN bus. For a change of state to be

front wiper output will be activated for a period of 0.8

seconds to initiate a single wipe. This is followed by a

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419-10-3

Body Electronics Module (BEM)

419-10-3

DESCRIPTION AND OPERATION (Continued)

observed, the condition must be present for a period

overridden by any of the following actions, a door

longer than 20 seconds.

opened, ignition turned from off to the on position or a

remote key activation.

Power Window Control

With the ignition key in the off position and activating

With the ignition switch in the accessories or ignition

the panic function, the courtesy lamps will be turned

position, the power window relay is switched low.

on. Activation of remote door unlock, boot release or

Switching the ignition switch to the start position will

deactivation of the panic function will cause an entry

deactivate the relay. Switching the ignition switch to

delay to occur. (20 seconds on, 6.4 seconds fade to

the off position will allow the power window relay to

off). Whilst the ignition is in the off position and a door

remain activated for a period of 1 hour. If a door is

lock command is executed with all doors closed, the

opened, the time will be reduced to 40 seconds from

courtesy lamp will be immediately deactivated.

the time the door is opened to comply with Australian

If no remote key has been taught, then the courtesy

design rule 42. Remote key unlock press will activate

lamp will deactivate in a shorter time than usual ie. 3

power supply pressing on lock button will activate.

minutes when the doors are opened regardless of the

ignition key position. The courtesy lamp will turn on in

Analogue Clock Interface (High Series)

1 second remain on for 3 minutes then fade out in 1

The BEM provides battery power for the analogue

second.

clock at all times and connects to the Clock’s

The courtesy lamp can be turned on and off via CAN

illumination line to the graphics illumination signal

diagnostics.

from the cluster.

A police blackout mode is available to turn off the

Cabin Temperature Module (High Series)

battery saver circuit. To enter or exit this mode, hold

With the ignition key in the ignition or start position,

the courtesy manual switch for longer than 10

the BEM provides power to the fan motor of the cabin seconds. This function has been added to discourage

temperature module. With the ignition switch in the

wiring modifications for the emergency services.

ignition position the BEM reads the analogue

Battery Saver Supply

temperature signal from the module and converts the

analogue data into degrees Centigrade and transmits

When the battery saver is active it provides power to

this data on the CAN bus to the climate control

the courtesy lamps, boot lamp and glove box lamp

system. Note: DTC’s will not be logged for invalid

circuits. It also supplies power to the sunload/twilight

data when the ignition switch is in the off or

sensor, Audio antenna amplifier and the transceiver

accessories position. Calibration factor is programmed light ring illumination.

into the BEM using diagnostic command.

The battery saver is activated with any of the following

actions:

Sunload / Twilight Sensor Module (High Series)

The ignition key in the accessories, ignition or

Activation of the battery saver supply (J3/3) provides

start position.

power to the sunload/twilight sensor module. With the

ignition on and the battery saver supply active, the

Operating the remote key door unlock, lock, boot

BEM reads the signals from the sensor. The BEM

and panic.

transmits the sunload data over the CAN bus to the

The battery saver function has a number of

climate control module. This sensor also controls the

operational modes, these are tabulated below.

Auto Headlight on function. Refer to Auto Headlight

section.

Normal Mode

Battery Saver ON,

Courtesy OFF

NOTE: DTC’s will not be available for invalid data

Saver Mode

Battery Saver OFF,

signalled with the ignition switch in either the

Courtesy OFF

accessories or the start position. The output voltage

from the sunload sensor is available at pin J2/1; it is in Courtesy Mode

Battery Saver ON,

the range of five to zero volts.

Courtesy ON

Dash Mode

Battery Saver ON,

Courtesy Lamp operation with illuminated Entry

Courtesy ON

and Exit Delays

EXIT Mode

Battery Saver ON,

With the ignition in the Accessories, Ignition or Start

Courtesy ON, 20 sec

position, and if, any door is open then the courtesy

delay, 6.4 sec fade

lamp will be on. With all doors closed, the courtesy

Police Mode

Battery Saver OFF,

lamp will be off. With the ignition in the off position

Courtesy OFF

and any door open, the Courtesy lamp will be on until

Audio Keyless Play

Battery Saver ON,

the battery saver times out at 15 minutes. If in the

Courtesy OFF

meantime the door is closed then the courtesy lamp

will remain on for 20 seconds then fade to off over a

period of 6.4 seconds. The delay period will be

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