Volvo S40 (2002) – Wiring Diagrams

 

INDEX

General

  • Abbreviations

  • How to use the wiring diagram

Electrical distribution

  • Overview

Fuses

  • Engine compartment 11A/1-7

  • Engine compartment 11A/8-10

  • Engine compartment 11A/11-15

  • Engine compartment 11A/17-22

  • Engine compartment 11A/23-31

  • Passenger compartment 11B/1-6

  • Passenger compartment 11B/7-10

  • Passenger compartment 11B/11-14

Relays

  • Engine compartment 1-9, misc

  • Passenger compartment 1-7, misc

Distribution rails

  • 15/1 – 15/2

  • 15/3 – 15/4

  • 15/5 – 15/6

  • 15/7 – 15/8

  • Ignition switch

Ground connections

  • 31/1 – 31/4

  • 31/5 – 31/9

  • 31/10 – 31/15

Control modules

  • Overview

Group 23 – Engine management system

  • EMS 2000

  • EMS 2000 Turbo

  • Bifuel

  • Melco 2

  • Diesel

Group 26 – Cooling / AC

  • Electric cooling fan / AC compressor, EMS 2000

  • Electric cooling fan / AC compressor, Melco 2

  • Electric cooling fan / AC compressor, Diesel

Group 27 – Cruise control

  • EMS 2000

  • Melco 2

  • Diesel

Group 32, 33 – Power & Starting circuits

  • Charging circuit

  • Starting circuit

Group 35 – Lighting

  • High beam and low beams, Fog lights

  • Parking lights / Side marker lights and license plate lighting

  • Reversing and Brake lights, filament monitor

  • Interior lighting, power sunroof and key-inserted reminder

Group 36 – Control and warning systems

  • Beam length adjustment

  • Instrument and control lighting

  • Indicators and warning lights

  • Wiper/Washer, windshield, headlights and rear window

  • 12V outlet and horn

  • Electronic immobilizer

Group 37 – Diagnostics / Info

  • Diagnostics system

Group 38 – Safety / Instrumentation

  • Seat belt reminder

  • Combined instrument panel

Group 39 – Audio

  • Radio

Group 43, 52 – Transmission / Vacuum pump

  • Automatic transmission

  • Vacuum pump EMS 2000

Group 59 – Brake systems

  • ABS

  • DSA

Group 83, 36 – Security

  • Central locking and anti-theft alarm EU/OS

  • Central locking and anti-theft alarm USA

Group 83, 84 – Body

  • Power windows

  • Door mirrors

Group 84 – Heated windows and mirrors

  • Heated rear window

  • Heated door mirrors

Group 85 – Seats

  • Heated seats

  • Power seats

Group 87 – Climate

  • Climate Control System

Group 88 – Safety / Accessories

  • SRS Supplemental Restraint System

  • Towing bracket wiring

Connectors

  • 44/1 EMS 2000

  • 44/1 Melco 2

  • 44/1 Diesel

  • 44/1 Bifuel

  • 44/2 Melco 2

  • 44/3 – 44/4

  • 44/5 – 44/6

  • 44/7 – 44/8

  • 44/9

  • 44/10

  • 44/11 – 44/12

  • 44/13

  • 44/14 – 44/16

  • 44/17 – 44/19

  • 44/20 – 44/22

  • 44/22 – 44/23

  • 44/24 – 44/25

  • 44/26 – 44/28

  • 44/31 – 44/33

  • 44/34 – 44/37

  • 44/38 – 44/40

Junction points

  • 43/300 – 43/308

  • 43/309 – 43/318

  • 43/319 – 43/328

  • 43/329 – 43/338

  • 43/339 – 43/348

  • 43/349 – 43/359

  • 43/360 – 43/369

  • 43/370 – 43/379

  • 43/380 – 43/384

  • 43/385 – 43/400

  • 43/401 – 43/410

  • 43/411 – 43/422

  • 43/423 – 43/432

  • 43/433 – 43/601

  • 43/602 – 43/611

  • 43/612 – 43/621

Cable harness routing in vehicle

  • Passenger compartment harness – Dashboard harness

  • Engine and engine compartment harness EMS 2000 – Passenger compartment harness

  • Engine and engine compartment harness Melco 2 – Passenger compartment harness

  • Engine and engine compartment harness Diesel – Passenger compartment harness

  • Engine compartment harness EMS 2000

  • Engine compartment harness Bifuel

  • Engine compartment harness Diesel

  • Engine compartment harness Melco 2

  • Front door harness, Rear door harness

  • Roof harness

  • Rear harness, Cargo compartment harness S40

  • Tailgate harness, Rear harness V40

Component illustrations

  • 1/1 – 2/21

  • 2/23 – 2/50

  • 3/1 – 3/12

  • 3/13 – 3/24

  • 3/25 – 3/51

  • 3/53 – 4/6

  • 4/9 – 4/33

  • 4/35 – 6/1

  • 6/2 – 6/14

  • 6/15 – 6/45

  • 6/46 – 7/7

  • 7/9 – 7/26

  • 7/26 – 7/47

  • 7/49 – 7/56

  • 7/58 – 7/72

  • 7/73 – 8/2

  • 8/3 – 8/24

  • 8/25 – 8/42

  • 8/43 – 10/4

  • 10/13 – 10/41

  • 10/42 – 11/1

  • 11/2 – 15/8

  • 16/1 – 31/3

  • 31/4 – 31/15

  • 44/1 – 44/13

  • 44/14 – 44/27

  • 44/28 – 44/40

List of components