BODY CONTROL UNIT (Description): DESCRIPTION AND OPERATION (page 8 of 18)

BODY CONTROL UNIT

86-3-8

DESCRIPTION AND OPERATION

C0664 connector pin details

IDM inputs
The IDM inputs are communicated to the BCU using the serial datalink so that the BCU can perform the necessary 
logic operations:

The V

in

 for IDM digital signals are defined as follows:

l

Logic 1 when V

in

 

≥

 8V.

l

Logic 0 when V

in

 

≤

 2V.

IDM input voltages between 2 and 8 volts are indeterminate and cannot be guaranteed.

Pin No.

Description

Input/Output

1

Front left window down

Output

2

Front right window down

Output

3

Fuel flap release

Output

4

Front left window up

Output

5

Earth

-

6

Front right window up

Output

7

Battery power supply

Input

Description

Signal type

System

Inertia switch

Digital

Locking/ Unlocking/ Alarm

Side lamps

Digital

Exterior lighting

Headlamp dipped beam

Digital

Exterior lighting

Headlamp main beam daylight running lamps

Analogue

Exterior lighting

RH direction indicators current sense

Analogue

Direction indicators/ Hazards/ Alarm

LH direction indicators current sense

Analogue

Direction indicators/ Hazards/ Alarm

Front wiper park sense

Digital

Wipers and washers