Volvo TSI - Table of Contents

Contents
General .................................................................................................... 7
Vehicle Management System ................................................................ 7
Engine Control System Glossary ........................................................ 8
Specifications ....................................................................................... 10
Description of Signals .......................................................................... 10
EECU (D7C) and Breakout Box Connected in Series Between
EECU and Wiring Harness ............................................................... 10
EECU, D7C, with Breakout Box Connected to Wiring Harness Only 13
EECU (D12B and D12C), Breakout Box Connected in Series Be-
tween EECU and Wiring Harness ..................................................... 16
EECU (D12B and D12C), Breakout Box Connected to Wiring
Harness Only ..................................................................................... 19
Pinouts ................................................................................................. 22
Engine Electronic Control Unit (EECU) ............................................ 22
Pinouts ................................................................................................. 26
Vehicle Electronic Control Unit(VECU) ............................................. 26
Schematic ............................................................................................ 28
D12B .................................................................................................. 28
Schematic ............................................................................................ 29
D12C ................................................................................................. 29
Schematic ............................................................................................ 30
D7C ................................................................................................... 30
Schematic ............................................................................................ 31
VECU ................................................................................................. 31
Tools ...................................................................................................... 33
Special Tools ....................................................................................... 33
Other Special Equipment .................................................................... 35
Design and Function ........................................................................... 37
Vehicle Management System .............................................................. 37
Strategy ............................................................................................. 37
Conventional Control Systems .......................................................... 37
Data Link System .............................................................................. 38
Data Links, Design and Function ...................................................... 39
Diagnostic Connector ........................................................................ 47
Communication Equipment ............................................................... 48
Instrument Cluster ............................................................................. 49
Vehicle Electronic Control Unit (VECU) ............................................ 50
Engine Electronic Control Unit .......................................................... 51
ABS Brake System ECU ................................................................... 63
SRS Airbag ECU ............................................................................... 64
Transmission ECU ............................................................................. 65
Breakout Boxes and Harnesses ........................................................ 66
VECU Overview ................................................................................ 67
VECU Functions ................................................................................ 68
Sensor Locations ............................................................................... 73
Control Unit Locations ....................................................................... 77
Fuses and Relays .............................................................................. 81
Troubleshooting ................................................................................... 85
Fault Code Troubleshooting ................................................................... 85
Message and Parameter Descriptions ................................................ 85
FMI Table ............................................................................................. 87
Reading/Clearing Fault Codes .......................................................... 88
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