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MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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DOCUMENT SUMMARY

MULTIPLEXED BSI OPERATING PRINCIPLE

for the

XSARA PICASSO AND XSARA

The aim of this document is to explain certain functions of the BSI (Built-in Systems

Interface).

After presenting multiplexing, the following subjects will be dealt with:

Electrical functions of the XSARA and XSARA PICASSO.

− Signalling.

− Interior lighting.

− Driver's information.

− Visibility.

− Locking and unlocking.

− Automatic climate control.

− Immobilisation.

− Radio system.

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PARTS 1

MULTIPLEXING / BSI XSARA AND XSARA PICASSO

CHAPTER 1 : MULTIPLEXING................................................. PAGE 1

I - BRIEF DEFINITION....................................................................... PAGE 1

II - PURPOSE OF MULTIPLEXING ..................................................... PAGE 1

III - DESIGN OF THE XSARA PICASSO AND XSARA MULTIPLEXED

NETWORK.................................................................................... PAGE 2

IV - THE VAN PROTOCOL .................................................................. PAGE 3

V - LOCATION OF MULTIPLEXED ECUS ........................................... PAGE 5

CHAPTER 2 : BUILT-IN SYSTEMS INTERFACE ..................... PAGE 7

I - FUNCTIONS CONTROLLED BY THE BSI ON THE XSARA PICASSO

AND THE XSARA ......................................................................... PAGE 8

II - BSI LAYOUTS ON THE XSARA PICASSO AND XSARA................. PAGE 9

III - BSI INPUTS.................................................................................. PAGE 11

IV - BSI OUTPUTS .............................................................................. PAGE 13

V - LOCATION AND TYPE OF THE CONNECTORS ON THE BSI ........ PAGE 16

VI - CHANNEL ALLOCATION ON THE BSI .......................................... PAGE 17

VII - OPERATING MODES ................................................................... PAGE 23

VIII - AFTER-SALES OPERATIONS, ACCESSORIES............................. PAGE 24

CHAPTER 3 : ELECTRICITY.................................................... PAGE 29

I - LAYOUT DIAGRAM ...................................................................... PAGE 29

II - PARTS LIST ................................................................................. PAGE 30

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 2

SIGNALLING XSARA AND XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 33

I - FOREWORD ................................................................................. PAGE 33

II - GENERAL LAYOUT ....................................................................... PAGE 33

CHAPTER 2 : OPERATING PRINCIPLE................................... PAGE 35

I - INDICATOR FUNCTION................................................................. PAGE 35

II - HAZARD WARNING LAMPS FUNCTION........................................ PAGE 35

III - FAULTY BULB DETECTION FUNCTION ........................................ PAGE 36

CHAPTER 3 : ELECTRICITY .................................................... PAGE 37

I - LAYOUT DIAGRAM ....................................................................... PAGE 37

II - PARTS LIST.................................................................................. PAGE 38

PART 3

INTERIOR LIGHTING XSARA AND XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 41

I - FOREWORD ................................................................................. PAGE 41

II - GENERAL LAYOUT ....................................................................... PAGE 43

CHAPTER 2 : OPERATING PRINCIPLE................................... PAGE 45

CHAPTER 3 : ELECTRICITY .................................................... PAGE 47

I - LAYOUT DIAGRAM ....................................................................... PAGE 47

II - PARTS LIST.................................................................................. PAGE 48

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 4

DRIVER'S INFORMATION XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 53

I - FOREWORD ................................................................................ PAGE 53

II - LAYOUT ....................................................................................... PAGE 54

III - XSARA PICASSO CONTROL PANEL ........................................... PAGE 61

CHAPTER 2 : MESSAGES AND WARNINGS FUNCTION ....... PAGE 65

I - DISPLAY ...................................................................................... PAGE 65

II - PRIORITY LEVELS....................................................................... PAGE 65

III - WARNINGS FROM WIRE INFORMATION ..................................... PAGE 66

IV - WARNINGS FROM THE VAN FRAMES......................................... PAGE 67

CHAPTER 3 : INSTRUMENTATION FUNCTION ...................... PAGE 69

I - COOLANT TEMPERATURE GAUGE AND WARNING FUNCTION.. PAGE 69

II - FUEL LEVEL GAUGE FUNCTION ................................................. PAGE 74

III - SPEEDOMETER FUNCTION......................................................... PAGE 77

IV - MILEOMETER FUNCTION ............................................................ PAGE 79

V - MAINTENANCE INDICATOR FUNCTION....................................... PAGE 80

VI - CLOCK / DATE / TEMPERATURE FUNCTION............................... PAGE 84

CHAPTER 4 : LIGHTING FUNCTION ....................................... PAGE 87

I - RHEOSTAT FUNCTION................................................................ PAGE 87

II - NIGHT DRIVING FUNCTION......................................................... PAGE 88

CHAPTER 5 : ON-BOARD ECU FUNCTION ............................ PAGE 91

I - GENERAL .................................................................................... PAGE 91

II - LAYOUT ....................................................................................... PAGE 92

III - OPERATING MODES ................................................................... PAGE 93

CHAPTER 6 : ELECTRICITY.................................................... PAGE 95

I - LAYOUT DIAGRAM ...................................................................... PAGE 95

II - PARTS LIST ................................................................................. PAGE 98

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 5

DRIVER'S INFORMATION XSARA

CHAPTER 1 : GENERAL .......................................................... PAGE 103

I - FOREWORD ................................................................................. PAGE 103

II - LAYOUT........................................................................................ PAGE 104

CHAPTER 2 : WARNING FUNCTION ....................................... PAGE 107

I - LIST OF LEDS............................................................................... PAGE 107

II - INTEGRATED BUZZER ................................................................. PAGE 108

III - WARNING APPEARANCE CONDITIONS ....................................... PAGE 108

CHAPTER 3 : INSTRUMENTATION FUNCTION....................... PAGE 111

I - MAINTENANCE INDICATOR.......................................................... PAGE 111

II - OIL LEVEL GAUGE ....................................................................... PAGE 113

III - MILEOMETER............................................................................... PAGE 114

CHAPTER 4 : REPAIRING THE CONTROL PANEL ................. PAGE 115

I - READING AND ERASING FAULTS ................................................ PAGE 115

II - PROGRAMMING THE MAINTENANCE TYPE................................. PAGE 115

III - ACTUATOR TEST ......................................................................... PAGE 115

IV - READING THE FOLLOWING PARAMETERS ................................. PAGE 116

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 6

VISIBILITY XSARA AND XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 119

I - FOREWORD ................................................................................ PAGE 119

II - GENERAL LAYOUT ...................................................................... PAGE 120

CHAPTER 2 : OPERATING PRINCIPLE................................... PAGE 123

I - WINDSCREEN WIPER FUNCTION ............................................... PAGE 123

II - REAR WIPER FUNCTION............................................................. PAGE 125

III - MANAGEMENT OF WIPER PARKED POSITIONS ......................... PAGE 126

IV - WIPER PROTECTION................................................................... PAGE 126

V - DE-ICING ..................................................................................... PAGE 126

VI - HEADLAMP WASHER TIMER ....................................................... PAGE 127

CHAPTER 3 : ELECTRICITY.................................................... PAGE 129

I - LAYOUT DIAGRAM ...................................................................... PAGE 129

II - PARTS LIST ................................................................................. PAGE 130

PART 7

LOCKING / UNLOCKING XSARA AND XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 135

I - FOREWORD ................................................................................ PAGE 135

II - GENERAL LAYOUT ...................................................................... PAGE 138

CHAPTER 2 : OPERATING PRINCIPLE................................... PAGE 141

I - LOCKING / UNLOCKING............................................................... PAGE 141

II - DEADLOCKING ............................................................................ PAGE 147

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 8

AUTOMATIC CLIMATE CONTROL XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 151

I - FOREWORD ................................................................................. PAGE 151

II - GENERAL LAYOUT ....................................................................... PAGE 152

III - LAYOUT DIAGRAM ....................................................................... PAGE 155

IV - DESCRIPTION OF THE USER DISPLAY AND CONTROLS............. PAGE 156

CHAPTER 2 : OPERATING PRINCIPLE................................... PAGE 159

I - COMPRESSOR MANAGEMENT FUNCTION.................................. PAGE 159

II - ADDITIONAL ELECTRIC HEATING FUNCTION.............................. PAGE 164

III - DE-ICING FUNCTION.................................................................... PAGE 164

IV - DOWNGRADED MODES ............................................................... PAGE 165

V - DIAGNOSTICS .............................................................................. PAGE 166

CHAPTER 3 : ELECTRICITY .................................................... PAGE 167

I - LAYOUT DIAGRAM - TU5JP .......................................................... PAGE 167

III - LAYOUT DIAGRAM - EW7............................................................. PAGE 168

V - LAYOUT DIAGRAM - DW10 ........................................................... PAGE 169

IV - PARTS LIST .................................................................................. PAGE 170

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 9

VEHICLE IMMOBILISATION XSARA AND XSARA PICASSO

CHAPTER 1 : TRANSPONDER SYSTEM OPERATING

PRINCIPLE ........................................................ PAGE 175

I - FOREWORD ................................................................................ PAGE 175

II - GENERAL LAYOUT ...................................................................... PAGE 176

III - OPERATION................................................................................. PAGE 177

CHAPTER 2 : OPERATING PRINCIPLE OF THE FACTORY

FITTED ANTI-INTRUSION ALARM.................... PAGE 179

I - FOREWORD ................................................................................ PAGE 179

II - GENERAL LAYOUT ...................................................................... PAGE 180

III - OPERATION................................................................................. PAGE 181

CHAPTER 3 : OPERATING PRINCIPLE OF THE AFTER-SALES

FITTED ANTI-INTRUSION ALARM.................... PAGE 185

I - FOREWORD ................................................................................ PAGE 185

II - GENERAL LAYOUT ...................................................................... PAGE 186

III - OPERATION................................................................................. PAGE 187

CHAPTER 4 : OPERATING PRINCIPLE OF THE SYSTEM

STATUS LED..................................................... PAGE 191

I - FUNCTION................................................................................... PAGE 191

II - FUNCTIONAL DESCRIPTION ....................................................... PAGE 191

CHAPTER 5 : ELECTRICITY.................................................... PAGE 193

I - LAYOUT DIAGRAM ...................................................................... PAGE 193

II - PARTS LIST ................................................................................. PAGE 194

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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CONTENTS

PART 10

RADIO AND COMPACT DISC CHANGER XSARA PICASSO

CHAPTER 1 : GENERAL .......................................................... PAGE 199

I - FOREWORD ................................................................................. PAGE 199

II - GENERAL LAYOUT ....................................................................... PAGE 200

CHAPTER 2 : RADIO OPERATING PRINCIPLE....................... PAGE 203

I - SWITCHING ON / OFF................................................................... PAGE 203

II - RADIO ANTI-THEFT FUNCTION.................................................... PAGE 204

III - CONTROLLING THE BRIGHTNESS............................................... PAGE 204

IV - VOLUME AUTOMATICALLY LINKED TO VEHICLE SPEED ............ PAGE 204

V - THERMAL PROTECTION .............................................................. PAGE 205

VI - CONFIGURATION......................................................................... PAGE 205

CHAPTER 3 : ELECTRICITY .................................................... PAGE 207

I - LAYOUT DIAGRAM ....................................................................... PAGE 207

II - PARTS LIST.................................................................................. PAGE 208

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

PART 1

MULTIPLEXING / BSI

XSARA AND XSARA PICASSO

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

Chapter 1

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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MULTIPLEXING

I - BRIEF DEFINITION

Multiplexing is different from previous electrical technology in that it involves

transmitting several items of digital information between various devices on a

single transmission channel, in the form of 2 wires.

II - PURPOSE OF MULTIPLEXING

Multiplexing is used to:

• simplify electrical harnesses,

• increase functions (for the same number of wires).

Chapter 1

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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III - DESIGN OF THE XSARA PICASSO AND XSARA MULTIPLEXED NETWORK

XSARA PICASSO design

XSARA design

Key: The dotted lines represent a connection used only by the diagnostic

function.

* Available as an accessory 8410 Radio

BSI Built-in Systems Interface 8415 CD changer

0004 Control panel / Multifunction screen 8500 Navigation

8080 Automatic climate control 8600 Alarm

For the XSARA Picasso, a MultiFunction Screen is incorporated into the control

panel:

• MultiFunction Screen type B,

• MultiFunction Screen type C (for navigation option).

There is no MultiFunction Screen on the XSARA.

A communications protocol defines the rules and format of the exchanges

between the various ECUs. The communications protocol used on the XSARA and

XSARA PICASSO is the VAN.

8080 8410 8415 *

0004

8500

BSI

8600 *

8415

0004

BSI

8410

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Chapter 1

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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V - LOCATION OF MULTIPLEXED ECUS

XSARA PICASSO

XSARA

* Available as an accessory 8410 Radio

BSI Built-in Systems Interface 8415 CD changer

0004 Control panel / Multifunction screen 8500 Navigation

8080 Automatic climate control 8600 Alarm

0004

8500

BSI

8080

8415 *

8410

8600 *

0004

BSI

8415

8410

Chapter 1

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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Chapter 2

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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XSARA

Key: single arrow = wire connection

triple arrow = multiplexed connection.

* Available as an accessory 8410 Radio

BSI Built-in Systems Interface 8415 CD changer

0004 Control panel / Multifunction screen 8500 Navigation

8080 Automatic climate control 8600 Alarm

Note: The connection numbers are used to associate these diagrams to the

input-output tables for the XSARA Picasso (XsP) and the XSARA (Xs).

BSI

0004

12

13

16

15

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Chapter 2

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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V - LOCATION AND TYPE OF THE CONNECTORS ON THE BSI

CONNECTOR DESCRIPTION CHANNELS

COLOUR

P Power Supply Connector to main harness 2 GREY

PP Power Connector to main harness 16 GREEN

PH Power Connector to passenger compartment harness 16 BLACK

EP1 Electronic Connector to main harness 26 YELLOW

EP2 Electronic Connector to main harness 12 BROWN

EH1 Electronic Connector to passenger compartment harness 26 BLUE

EH2 Electronic Connector to passenger compartment harness 12 BLUE

EH1

EP1

EH2

EP2

P

PP

PH

Chapter 2

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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VI - CHANNEL ALLOCATION ON THE BSI

BSI inputs/outputs

Power part.

• Allocation of pins of the Grey 2-way NG1 connector of the main harness.

1 - + permanent

2 - + alternator

1

2

Chapter 2

MULTIPLEXED BSI - XSARA PICASSO AND XSARA – PART 1

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• Allocation of pins of the Green 16-way SIGMA connector of the main harness.

8 - Output: Power supply of the VAN bus on main

harness

7 - Output: Front left hand indicator control

6 - Output: Front right hand indicator control

5 - Output: + accessories for wash/wipe stalk

4 - Input: Lamps

3 - Input: Reverse gear switch

2 - Power earth

1 - Output: Windscreen wiper slow speed motor

control

16 - + permanent

15 - Output: Right hand repeater indicator control

14 - Output: Left hand repeater indicator control

13 - Output: Air conditioning compressor control

12 - Power earth

11 - Spare

10 - Spare

9 - Output: Windscreen wiper high speed motor

control

7

8

6

5

4

3

2

1

16

15

14

13

12

11

10

9

7

8

6

5

4

3

2

1

16

15

14

13

12

11

10

9

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