Volvo S40 / V50 since 2004, wiring diagrams

Content

Vehicles with SRS (Airbag)/SIPS bag/IC (Inflatable Curtain)

Explanations

Abbreviations

How to use the wiring diagrams 1:2

Electrical distribution 1:2

Fuses

• Engine compartment distribution box F1-F8
• Engine compartment distribution box F9-F18
• Engine compartment distribution box F20-F32
• Engine compartment distribution box F33-FH1
• Central Electronic Module (CEM) F43-F52
• Central Electronic Module (CEM) F53-F66
• Central Electronic Module (CEM) F67-F86
• Battery, PF1-PF2

Relays

• Ignition switch and relays
• Engine compartment distribution box R2-R14
• Central Electronic Module (CEM) R15-R18
• Relays - soldered

Ground connections

• Overview
• 31/3 - 31/10
• 31/11 - 31/66
• 31/67 - 31/84
• 31/88 - 31/114
• 31/115 - Ground connections in chassis

Control modules

• Overview of locations
• Overview of designations
• Central Electronic Module (CEM) 1:2
• Low speed CAN data communication 1:2
• LIN data communication 1:2
• High speed CAN data communication
• Data communication MOST
• Start Control Module (SCU)
• Accessory Electronic Module (AEM)

Fuel system

• Engine management system, 5-cyl 1:2
• Engine management system, 5-cyl Turbo 1:2
• Engine management system, Diesel 1:2
• Emission control, 5-cyl
• Emission control, 5-cyl Turbo

Cooling system

• Cooling fan
• Cooling fan Diesel

Engine control

• Cruise control
• Cruise control, Diesel

Generator and voltage regulator

• Power supply
• Power supply, Diesel

Starting system

• Starting system
• Starting system, Diesel

Lighting

• High and low beam
• High and low beam (Bi-Xenon)
• Manual beam length adjustment
• Automatic head light leveling (Bi-Xenon)
• Position/parking lights,Tail lights
• Position/parking lights, Tail lights (Bi-Xenon)
• Fog lights
• Fog lights LHD, Japan
• Brake lights
• Reversing lights
• Interior lighting 1:2
• Instrument and control illumination
• Follow-me-home lighting
• Auxiliary light

Additional electrical equipment

• Rain Sensor
• Direction indicators and warning lights
• Direction indicators and warning lights (Bi-Xenon)
• Windshield wiper/washer
• Headlight washer
• Wiper/washer, rear window
• Horn
• Electronic immobilizer / Steering Column Lock Module (SCL)
• Anti-theft alarm
• Accessory Electronic Module (AEM)

Wiring and fuses

• Diagnostics system
• 12V outlet
• Towbar cable harness, 4-pin
• Towbar cable harness, 7-pin
• Towbar cable harness, 13-pin

Instruments

• Seat belt reminder
• Driver information module

Other

• Audio 1:2
• Cellular phone 1:2
• Multimedia and traffic information
• Subwoofer
• Handsfree

Transmission

• Automatic transmission AW55-51
• Shift interlock
• Transmission M66

Brake system

• Brake control system
• Brake control system and STC
• Brake control system and DSTC

Steering

• Electronic power steering

Doors and openings

• Central locking, front doors
• Central locking, rear doors
• Central locking, trunk lid/tailgate
• Child safety lock
• Central locking, fuel filler flap
• Signal receiver, remote-control, central locking
• Power windows, front doors
• Power windows, rear doors
• Power sunroof

Exterior decorative elements etc.

• Power door mirrors
• Heated door mirrors
• Heated rear window

Interior equipment

• Power driver’s seat with memory function, left
• Power driver’s seat with memory function, right
• Power seat, LHD left
• Power seat, LHD right
• Power seat, RHD right
• Power seat, RHD left
• Heated seats

Climate controls

• Parking heater, auxiliary heater
• Climate control system 1:2
• Climate control system, Diesel 1:2
• Climate control system PTC element
• Relay, electric engine heater

Internal equipment

• Supplemental Restraint System (SRS) 1:2
• Rearview mirror with Auto-dimming

Connectors

Junction points

Cable harness routing in vehicle

• Engine harness, Gasoline 5 cyl
• Engine harness, Gasoline 5-cyl Turbo
• Engine compartment harness
• Dashboard harness
• Infotainment harness
• Floor harness
• Roof harness, S40
• Roof harness, V50
• Tunnel harness
• Driver’s door harness
• Passenger door harness
• Right rear door harness
• Left rear door harness
• Trunk lid/tailgate harness, S40
• Trunk lid/tailgate harness, V50

Component illustrations

Index 1:2

List of components 1:7

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