|  | Via crimp connection J40, engine harness, petrol engine | 
     
      | 31 | Reversing light switch | 
     
      | 170 | Compressor, A/C | 
     
      | 205 | Mass air flow sensor | 
     
      | 243 | Engine oil level switch | 
     
      | 320a | Ignition coil  with ignition power module, cyl. 1 | 
     
      | 320b | Ignition coil  with ignition power module, cyl. 2 | 
     
      | 320c | Ignition coil  with ignition power module, cyl. 3 | 
     
      | 320d | Ignition coil with ignition power module, cyl. 4 | 
     
      | 443 | Heated oxygen sensor relay | 
     
      | 589A | Control module, Trionic, 4-cyl petrol, contact A | 
     
      | 740 | Ionization Detection Module | 
     
      |  | Via
         
          Crimp connection J39, petrol engine harness
         
        
        which is connected with crimp connection J40 | 
     
      |  | Cable screens for cables to 320c and 320d | 
     
      |  | Via
         
          Crimp connection J44, petrol engine harness
         
        
        which is connected with crimp connection J40 | 
     
      |  | Cable screens for cables to 320a and 320b |