 
    
    Diagnostic Manual, Engines, Volume 4 
    
    
    
    
    
    Hydraulic Test Program - Test (Fuel Pump Test) 
    
    
      
        | 
            
              |   |   | Test scope | Test connection     | Test condition | Nominal value | Possible cause/Remedy 1) |  
              | 1.0 |  | Right engine control module (ME-SFI) (N3/12) (only) 
 Fuel pumps
 Delivery capacity
 | 
 26
 (1.26)
 | N3/12      |  
 24
 (1.24)
 | Disconnect fuel return hose from fuel line and
 place end in measuring
 glass.
 Ignition: ON
 
 | 
 
 
 1 liter of fuel within 35 seconds.
 
 | Check fuel lines for restrictions (kinks and dents).
 Replace fuel filter,
 
  2.0. |  
              | 2.0 |  | Fuel pumps Current draw
 
 
 
 |  |  |   | Disconnect fuel pump relay module (K27) and connect multimeter to sockets 1 and 3, see Figure 1
 
 Ignition: ON
 
 | 
 
 
 
 4 - 9 A
 | Fuel pumps. |  
            
              | 1) Observe Preparation for Test, see  33 . |  
           
           |