| No. | Name
        
       
       
        
         Location | Illus. | 
     
      |  | Components |  | 
     
      | 205 | Mass air flow sensor,
       
       
        integrated in mass air flow sensor 686 |   | 
     
      | 206a | Injector, cyl. 1,
       
       
        on top of engine |   | 
     
      | 206b | Injector, cyl. 2,
       
       
        on top of engine |   | 
     
      | 206C | Injector, cyl. 3,
       
       
        on top of engine |   | 
     
      | 206D | Injector, cyl. 4,
       
       
        on top of engine |   | 
     
      | 229 | Main relay, engine control system
       
       
        in underhood electrical centre 342 |   | 
     
      | 342 | Underhood electrical centre 342 (UEC)
        
        ,
       
       
        next to battery | 1
        
       
       
        
         4 | 
     
      | 403 | Swirl throttle actuator
       
       
        on the rear of the engine inside the vacuum tank |   | 
     
      | 407 | Intake air temperature sensor,
       
       
        integrated in the intake air sensor 688 |   | 
     
      | 595 | Control module, EDC16,
       
       
        between the front spoiler and right-hand wheel housing | A
        
       
       
        
         B | 
     
      | 603 | Pressure sensor, charge air,
       
       
        integrated in the intake air sensor 688 |   | 
     
      | 652b | Fuel pressure control valve, high-pressure pump,
       
       
        in the high-pressure pump |   | 
     
      | 653 | Fuel pressure sensor, fuel rail,
       
       
        on top of engine on left-hand end of fuel rail |   | 
     
      | 686 | Unit, mass air flow sensor
       
       
        in engine bay at right-hand MacPherson strut tower |   | 
     
      | 688 | Intake air sensor,
       
       
        in the centre of the intake manifold on the rear of the engine |   | 
     
      | 772 | Temperature sensor, mass air flow sensor,
       
       
        integrated in the mass air flow sensor unit 686 |   | 
     
      |  | 11-pin connector |  | 
     
      | H11-1 | On RH side of engine by the fuel pump |   | 
     
      |  | Crimp connections |  | 
     
      | J267 | Approx. 100 mm from connector A to the engine control module |   | 
     
      | J273 | Approx. 50 mm from branching point starter motor towards the engine control module |   | 
     
      | J274 | Approx. 310 mm from branching of connector H11-1 toward engine control module |   | 
     
      | J275 | Approx. 50 mm from branching of connector H11-1 towards the engine control module |   |