TP3974202 S40 (04-)/ V50 2004
Vehicles with SRS (Airbag)/SIPS bag/IC
(Inflatable Curtain) ......................................................... 2
Abbreviations................................................................. 5
How to use the wiring diagrams 1:2............................... 6
Electrical distribution 1:2................................................ 8
Fuses
Engine compartment distribution box F1-F8................. 10
Engine compartment distribution box F9-F18............... 11
Engine compartment distribution box F20-F32............. 12
Engine compartment distribution box F33-FH1 ............ 13
Central Electronic Module (CEM) F43-F52................... 14
Central Electronic Module (CEM) F53-F66................... 15
Central Electronic Module (CEM) F67-F86................... 16
Battery, PF1-PF2.......................................................... 17
Relays
Ignition switch and relays............................................. 18
Engine compartment distribution box R2-R14............. 19
Central Electronic Module (CEM) R15-R18................. 20
Relays - soldered......................................................... 21
Ground connections
Overview...................................................................... 22
31/3 - 31/10 ................................................................. 23
31/11 - 31/66 ............................................................... 24
31/67 - 31/84 ............................................................... 25
31/88 - 31/114 ............................................................. 26
31/115 - Ground connections in chassis...................... 27
Control modules
Overview of locations................................................... 28
Overview of designations............................................. 29
Central Electronic Module (CEM) 1:2 .......................... 30
Low speed CAN data communication 1:2.................... 32
LIN data communication 1:2........................................ 34
High speed CAN data communication......................... 36
Data communication MOST......................................... 37
Start Control Module (SCU)......................................... 38
Accessory Electronic Module (AEM) ........................... 39
Group 23 Fuel system
Engine management system, 5-cyl 1:2........................ 40
Engine management system, 5-cyl Turbo 1:2 ............. 42
Engine management system, Diesel 1:2 ..................... 44
Emission control, 5-cyl................................................. 46
Emission control, 5-cyl Turbo ...................................... 47
Group 26 Cooling system
Cooling fan................................................................... 48
Cooling fan Diesel........................................................ 49
Group 27 Engine control
Cruise control................................................................ 50
Cruise control, Diesel.................................................... 51
Group 32 Generator and voltage regulator
Power supply ............................................................... 52
Power supply, Diesel ................................................... 53
Group 33 Starting system
Starting system ............................................................ 54
Starting system, Diesel ................................................ 55
Group 35 Lighting
High and low beam ...................................................... 56
High and low beam (Bi-Xenon).................................... 57
Manual beam length adjustment.................................. 58
Automatic head light leveling (Bi-Xenon)..................... 59
Position/parking lights,Tail lights.................................. 60
Position/parking lights, Tail lights (Bi-Xenon)............... 61
Fog lights ..................................................................... 62
Fog lights LHD, Japan ................................................. 63
Brake lights .................................................................. 64
Reversing lights ........................................................... 65
Interior lighting 1:2 ....................................................... 66
Instrument and control illumination .............................. 68
Follow-me-home lighting.............................................. 69
Auxiliary light................................................................ 70
Group 36 Additional electrical equipment
Rain Sensor ................................................................ 71
Direction indicators and warning lights ........................ 72
Direction indicators and warning lights (Bi-Xenon) ...... 73
Windshield wiper/washer ............................................. 74
Headlight washer ......................................................... 75
Wiper/washer, rear window ......................................... 76
Horn ........................................................................ 77
Electronic immobilizer / Steering Column Lock
Module (SCL)............................................................... 78
Anti-theft alarm ............................................................ 79
Accessory Electronic Module (AEM)............................ 80
Group 37 Wiring and fuses
Diagnostics system...................................................... 81
12V outlet..................................................................... 82
Towbar cable harness, 4-pin........................................ 83
Towbar cable harness, 7-pin........................................ 84
Towbar cable harness, 13-pin ..................................... 85
Group 38 Instruments
Seat belt reminder ....................................................... 86
Driver information module............................................ 87
Group 39 Other
Audio 1:2 ................................................................... 88
Cellular phone 1:2 ....................................................... 90
Multimedia & traffic information .................................. 92
Subwoofer.................................................................... 93
Handsfree .................................................................... 94
Table of Contents 1:2
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