Citroën Picasso Xsara Technical Training Multiplexed BSI Manual

User and Operator’s Vehicle Manual for Citroën Picasso and Xsara.
The aim of this document is to explain certain functions of the BSI (Built-in Systems Interface). Electrical functions of the XSARA and XSARA PICASSO. After presenting multiplexing, the following subjects will be dealt with:

MULTIPLEXED BSI OPERATING PRINCIPLE for the XSARA PICASSO AND XSARA
• Signalling.
• Interior lighting.
• Driver’s information.
• Visibility.
• Locking and unlocking.
• Automatic climate control.
• Immobilisation.
• Radio system.

Free Auto PDF Owners Manual Download.

Contents

DOCUMENT SUMMARY

CONTENTS
PARTS 1

MULTIPLEXING / BSI XSARA AND XSARA PICASSO CHAPTER 1 :

I II III IV V
CHAPTER 2 : I II III IV V VI VII VIII
CHAPTER 3 : I II
MULTIPLEXING. PAGE 1
BRIEF DEFINITION. PAGE 1
PURPOSE OF MULTIPLEXING. PAGE 1
DESIGN OF THE XSARA PICASSO AND XSARA MULTIPLEXED
NETWORK. PAGE 2 THE VAN PROTOCOL. PAGE 3 LOCATION OF MULTIPLEXED ECUS. PAGE 5

BUILT-IN SYSTEMS INTERFACE.

PAGE 7
FUNCTIONS CONTROLLED BY THE BSI ON THE XSARA PICASSO AND THE XSARA. PAGE 8
BSI LAYOUTS ON THE XSARA PICASSO AND XSARA. PAGE 9
BSI INPUTS. PAGE 11
BSI OUTPUTS. PAGE 13
LOCATION AND TYPE OF THE CONNECTORS ON THE BSI. PAGE 16
CHANNEL ALLOCATION ON THE BSI. PAGE 17
OPERATING MODES. PAGE 23
AFTER-SALES OPERATIONS, ACCESSORIES. PAGE 24

ELECTRICITY. PAGE 29

LAYOUT DIAGRAM. PAGE 29 PARTS LIST. PAGE 30 C

PART 2 SIGNALLING XSARA AND XSARA PICASSO CHAPTER 1 :

CHAPTER 2 :
CHAPTER 3 :
GENERAL. PAGE 33
FOREWORD. PAGE 33 GENERAL LAYOUT. PAGE 33
OPERATING PRINCIPLE. PAGE 35
INDICATOR FUNCTION. PAGE 35
HAZARD WARNING LAMPS FUNCTION. PAGE 35
FAULTY BULB DETECTION FUNCTION. PAGE 36

ELECTRICITY. PAGE 37

LAYOUT DIAGRAM. PAGE 37 PARTS LIST. PAGE 38
PART 3 INTERIOR LIGHTING XSARA AND XSARA PICASSO CHAPTER 1 :
I II
CHAPTER 2 : CHAPTER 3 :
I II
GENERAL. PAGE 41
FOREWORD. PAGE 41 GENERAL LAYOUT. PAGE 43
OPERATING PRINCIPLE. PAGE 45 ELECTRICITY. PAGE 47
LAYOUT DIAGRAM. PAGE 47 PARTS LIST. PAGE 48 D
PART 4 DRIVER’S INFORMATION XSARA PICASSO CHAPTER 1 :
CHAPTER 2 : I II III IV
CHAPTER 3 : I II III IV V VI
CHAPTER 4 : I II
CHAPTER 5 : I II III
CHAPTER 6 : I II
GENERAL. PAGE 53
FOREWORD. PAGE 53
LAYOUT. PAGE 54
XSARA PICASSO CONTROL PANEL. PAGE 61

MESSAGES AND WARNINGS FUNCTION. PAGE 65

DISPLAY. PAGE 65
PRIORITY LEVELS. PAGE 65
WARNINGS FROM WIRE INFORMATION. PAGE 66
WARNINGS FROM THE VAN FRAMES. PAGE 67

INSTRUMENTATION FUNCTION. PAGE 69

COOLANT TEMPERATURE GAUGE AND WARNING FUNCTION. PAGE 69
FUEL LEVEL GAUGE FUNCTION. PAGE 74
SPEEDOMETER FUNCTION. PAGE 77
MILEOMETER FUNCTION. PAGE 79
MAINTENANCE INDICATOR FUNCTION. PAGE 80 CLOCK / DATE / TEMPERATURE FUNCTION. PAGE 84
LIGHTING FUNCTION. PAGE 87
RHEOSTAT FUNCTION. PAGE 87 NIGHT DRIVING FUNCTION. PAGE 88
ON-BOARD ECU FUNCTION. PAGE 91
GENERAL. PAGE 91
LAYOUT. PAGE 92
OPERATING MODES. PAGE 93

ELECTRICITY. PAGE 95

LAYOUT DIAGRAM. PAGE 95 PARTS LIST. PAGE 98 E
CHAPTER 1: I II
CHAPTER 2: I II III
CHAPTER 3: I II III
CHAPTER 4: I II III IV
PART 5
DRIVER’S INFORMATION XSARA
GENERAL. PAGE 103
FOREWORD. PAGE 103 LAYOUT. PAGE 104
WARNING FUNCTION. PAGE 107
LIST OF LEDS. PAGE 107
INTEGRATED BUZZER. PAGE 108
WARNING APPEARANCE CONDITIONS. PAGE 108
INSTRUMENTATION FUNCTION. PAGE 111
MAINTENANCE INDICATOR. PAGE 111
OIL LEVEL GAUGE. PAGE 113
MILEOMETER. PAGE 114
REPAIRING THE CONTROL PANEL. PAGE 115
READING AND ERASING FAULTS. PAGE 115
PROGRAMMING THE MAINTENANCE TYPE. PAGE 115
ACTUATOR TEST. PAGE 115
READING THE FOLLOWING PARAMETERS. PAGE 116
CHAPTER 1: I II
CHAPTER 2: I II III IV V VI
CHAPTER 3: I II
PART 6

VISIBILITY XSARA AND XSARA PICASSO

GENERAL. PAGE 119
FOREWORD. PAGE 119 GENERAL LAYOUT. PAGE 120
OPERATING PRINCIPLE. PAGE 123
WINDSCREEN WIPER FUNCTION. PAGE 123
REAR WIPER FUNCTION. PAGE 125
MANAGEMENT OF WIPER PARKED POSITIONS. PAGE 126
WIPER PROTECTION. PAGE 126
DE-ICING. PAGE 126
HEADLAMP WASHER TIMER. PAGE 127
ELECTRICITY. PAGE 129
LAYOUT DIAGRAM. PAGE 129 PARTS LIST. PAGE 130
PART 7 LOCKING / UNLOCKING XSARA AND XSARA PICASSO CHAPTER 1 :
I II
CHAPTER 2 :
I II
GENERAL. PAGE 135
FOREWORD. PAGE 135 GENERAL LAYOUT. PAGE 138
OPERATING PRINCIPLE. PAGE 141
LOCKING / UNLOCKING. PAGE 141 DEADLOCKING. PAGE 147 G
PART 8
AUTOMATIC CLIMATE CONTROL XSARA PICASSO CHAPTER 1 :
I II III IV
CHAPTER 2 :
I II III IV V
CHAPTER 3 :
I III V IV
GENERAL. PAGE 151
FOREWORD. PAGE 151
GENERAL LAYOUT. PAGE 152
LAYOUT DIAGRAM. PAGE 155
DESCRIPTION OF THE USER DISPLAY AND CONTROLS. PAGE 156
OPERATING PRINCIPLE. PAGE 159
COMPRESSOR MANAGEMENT FUNCTION. PAGE 159
ADDITIONAL ELECTRIC HEATING FUNCTION. PAGE 164
DE-ICING FUNCTION. PAGE 164
DOWNGRADED MODES. PAGE 165
DIAGNOSTICS. PAGE 166
ELECTRICITY. PAGE 167
LAYOUT DIAGRAM – TU5JP. PAGE 167
LAYOUT DIAGRAM – EW7. PAGE 168
LAYOUT DIAGRAM – DW10. PAGE 169
PARTS LIST. PAGE 170
H
PART 9
VEHICLE IMMOBILISATION XSARA AND XSARA PICASSO CHAPTER 1 :
I II III
CHAPTER 2 :
I II III
CHAPTER 3 :
I II III
CHAPTER 4 :
I II
CHAPTER 5 :
I II
TRANSPONDER SYSTEM OPERATING
PRINCIPLE. PAGE 175
FOREWORD. PAGE 175
GENERAL LAYOUT. PAGE 176
OPERATION. PAGE 177
OPERATING PRINCIPLE OF THE FACTORY
FITTED ANTI-INTRUSION ALARM. PAGE 179
FOREWORD. PAGE 179
GENERAL LAYOUT. PAGE 180
OPERATION. PAGE 181
OPERATING PRINCIPLE OF THE AFTER-SALES FITTED ANTI-INTRUSION ALARM. PAGE 185
FOREWORD. PAGE 185
GENERAL LAYOUT. PAGE 186
OPERATION. PAGE 187
OPERATING PRINCIPLE OF THE SYSTEM
STATUS LED. PAGE 191
FUNCTION. PAGE 191 FUNCTIONAL DESCRIPTION. PAGE 191
ELECTRICITY. PAGE 193
LAYOUT DIAGRAM. PAGE 193 PARTS LIST. PAGE 194 I
CONTENTS
PART 10
RADIO AND COMPACT DISC CHANGER XSARA PICASSO CHAPTER 1 :
I II
CHAPTER 2 :
I II III IV V VI
CHAPTER 3 :
I II
GENERAL. PAGE 199
FOREWORD. PAGE 199 GENERAL LAYOUT. PAGE 200
RADIO OPERATING PRINCIPLE. PAGE 203
SWITCHING ON / OFF. PAGE 203
RADIO ANTI-THEFT FUNCTION. PAGE 204
CONTROLLING THE BRIGHTNESS. PAGE 204
VOLUME AUTOMATICALLY LINKED TO VEHICLE SPEED. PAGE 204
THERMAL PROTECTION. PAGE 205
CONFIGURATION. PAGE 205
ELECTRICITY. PAGE 207
LAYOUT DIAGRAM. PAGE 207 PARTS LIST. PAGE 208 J
PART 1
MULTIPLEXING / BSI XSARA AND XSARA PICASSO MULTIPLEXING
* * * * *

ELECTRICITY

I LAYOUT DIAGRAM II PARTS LIST
BB00 – Battery
BB12 – + battery connection terminal BH12 – 12 fuse box (passenger compartment) BH28 – 28 fuse box (passenger compartment) BM34 – 34 fuse engine relay unit
BSI1 – Built-in systems interface
C001 – Diagnostic connector
CA00 – Ignition switch
CT00 – Rotary connector
0002 – Signalling/lighting stalk
0004 – Control panel
0005 – Wiper stalk
1010 – Starter motor
1020 – Alternator
1203 – Inertia switch
1211 – Fuel sender pump
1220 – Engine coolant temperature sensor 1313 – Engine speed sensor
1320 – Engine management ECU
1620 – Vehicle speed sensor
2300 – Danger signal switch
2340 – Left hand side repeater
2345 – Right hand side repeater
2610 – Left hand headlamp
2615 – Right hand headlamp
2630 – Rear left hand lamp on body 2635 – Rear right hand lamp on body 3010 – Front interior lamp
3020 – Rear interior lamp
3050 – Lighting rheostat
3054 – Ashtray lighting
3105 – Boot (or tailgate) lighting
3110 – Glove box lighting switch
3115 – Glove box lighting
4010 – Engine coolant level switch
4025 – Temperature sensor – engine coolant thermoswitch (gauge) 5015 – Windscreen wiper motor
5115 – Windscreen/rear screen washer pump
6202 – Front door lock assembly driver’s side
6207 – Front door lock assembly passenger’s side
6260 – Boot locking motor
8006 – Evaporator thermistor (if separate)
8007 – Pressure switch
8008 – Air conditioning engine coolant temperature thermistor 8010 – Coolant temperature unit
8020 – Air conditioning compressor
8025 – Air conditioning control panel (if separate)
8030 – Passenger compartment air thermistor
8031 – Coolant thermistor
8045 – Blower control module (if separate)
8050 – Blower motor (if separate)
8065 – Mixing flap reduction motor
8070 – Air input flap reduction motor
8071 – Distribution flap reduction motor
8220 – Analogue module transponder
8410 – Radio
8413 – Radio control
8415 – Compact disc changer
8420 – Loud speakers on front door (driver’s side)
8425 – Loud speakers on front door (passenger’s side) 8430 – Loud speaker (rear left hand)
8435 – Loud speaker (rear right hand)
8440 – Front left hand tweeter speaker
8445 – Front right hand tweeter speaker
8500 – Navigation ECU

Wikipedia’s page for Citroën Xsara
Citroën official web site