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Home >> Mercedes Benz >> 2002 >> G500 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbo Charging -- G-Class (463) >> Basic Knowledge >> Charge air cooler circulation pump relay - location/task/design/function - GF09.41-P-3106AM

Charge air cooler circulation pump relay - location/task/design/function - GF09.41-P-3106AM

ENGINE 113.990 /991 /993 

ENGINE 113.992 /995 up to Model Year 8 

Fig 1: Identifying Charge Air Cooler Circulation Pump Relay (Model 230, 463, 211 And 219)
G07871072Courtesy of MERCEDES-BENZ USA
  Relay for the charge air cooler recirculation pump - location Models 211, 219 GF09.41-P-3106-01TA
Models 215, 220 GF09.41-P-3106-01M
Model 230 GF09.41-P-3106-01R
Model 463 GF09.41-P-3106-01GA 
  Relay for the charge air cooler recirculation pump - task The circulating pump relay actuates the charge air cooler circulation pump (M44).  
  Relay for the charge air cooler recirculation pump - design The relay for the charge air cooler recirculation pump is a 4-pin plug-in relay.  
  Relay for the charge air cooler recirculation pump - function On actuation through the ME-SFI [ME] control unit (N3/10) by a ground signal, the power supply contact closes and thus supplies the charge air cooler recirculation pump with a voltage from circuit 87.