Control module power supply
 
  
 
 
  
   
    
     |  | Control module power supply | 
   
  
  
   
   
   
   
    
    
    
     Battery voltage (+30 circuit)
    
   
   
    +30 current is fed via fuse 12 to control module pin 16. The control module uses +30 current for the bus function when the ignition is in position OFF (+15).
    
    
    
      
    
    
   
   
  
    
  
  
  
   Battery voltage (+15 circuit)
  
  
   +15 current is fed via fuse B to pin 1 of the control module. The control module is activated by the +15 current.
   
   
   
    Diagnostics
   
  
  
   Should the power supply drop below 9 V or exceed 16 V for at least 0.5 seconds, diagnostic trouble code P0560 will be generated and the TCM will go into Limp-Home mode.