Volvo S40 (2003-2004) Wiring Diagrams and Electric Model Year 2004

 

Abbreviations    
Explanations on the use of the circuit diagrams    
Fuses     
relays    
Distribution strips     
Control units - overview     
Connection terminals    
Branching points    
Earth terminals    
Cable harnesses     

 

Group 23
Injection system
EMS 2000    
EMS 2000 Turbo    
MELCO 1    
Diesel...    

 

Group 26
Cooling
EMS 2000    
MELCO 1    
diesel    

 

group 27
Cruise control
Petrol    
Diesel    

 

Group 28
Dynamic Stability Assist (DSA)     

Group 32/33
Starter circuit    
Charging circuit    

 

Group 35
Parking lights    
High beam and low beam    
Parking lights    
Headlight adjustment    
Tail light and licence plate light    
Brake lights and filament monitor    
Reversing lights    
Fog lights    
Glove compartment and interior lighting    
Interior lighting    
Load compartment and tailgate lighting     
Dimmer switch  

 

Group 36
Indicator lights and hazard warning lights     
Horn     
Wiper/wash system
Windscreen    
Headlights    
Rear windscreen V40    
Cigarette lighter    
Ignition warning signal    
Alarm system     
Immobiliser    

 

Group 37
On-board diagnostic system    

 

Group 38
Acoustic warning signal of the seat belts    
Instruments - general     
Combination instrument     

 

Group 39
Radio    

 

Group 43
Automatic transmission control unit (TCU)     
Automatic transmission    
Root lever lock

    

Group 52
Vacuum pump EMS 2000 Turbo

  
Group 59
ABS system    

Group 83
Front electric windows    
Rear electric windows     
Central locking     
Remote central locking-general     
Remote central locking motors    
Remote central locking motors, USA    
Electric rear door lock    
Electric sunroof    

Group 84
Rear window heating    
Heated door mirrors    
Electrically operated door mirrors     

Group 85
Electrically heated front seats    
Electrically adjustable seats    

Group 87
Manual climate control unit, MCC    
Air conditioning compressor, EMS 2000    
Air conditioning compressor, MELCO 1     
Air conditioning compressor, diesel    
Electronic climate control unit     
ECC Control of motors and sensors     

Group 88
Airbag and/or belt pretensioner