LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2000 >> SLK230 Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbo Charging -- 170 Chassis >> Basic Knowledge >> Supercharger control function - GF09.50-P-3001 >> Supercharger control function - GF09.50-P-3001G

Supercharger control function - GF09.50-P-3001G

ENGINE 111.943 /944 /973 /975 

Fig 1: Identifying Supercharger Control Function - Engine 111.943 /944 /973 /975
G04732092

Task 

Switching the supercharger on and off by actuating the electromagnetic clutch. Dependent on:

USA ONLY Supercharger is actuated additionally for secondary air injection.

Design 

The electromagnetic clutch is actuated by means of a GND signal supplied by the engine control module. The voltage is supplied either by the relay module or fuse and relay module, respectively.

Function 

The supercharger cuts in from a speed of about 2200 rpm irrespective of the throttle valve position. The supercharger remains engaged in the inertia fuel shutoff phase. This avoids any delayed response of the engine in the transition from the deceleration to acceleration phase.

REFER TO BASIC KNOWLEDGE ME-SFI control module position/task/design/ function   GF07.61-P-5000F
REFER TO BASIC KNOWLEDGE Control module (HFM-SFI) position/task/design/function   GF07.51-P-4103D
REFER TO BASIC KNOWLEDGE Supercharger electromagnetic clutch position/task/design/function   GF09.50-P-3100G 
REFER TO BASIC KNOWLEDGE Supercharger position/task/design/function   GF09.50-P-3102G 
REFER TO BASIC KNOWLEDGE Relay module position/task/design/function Voltage supply model 170 GF54.10-P-4033K
  Fuse and relay module Voltage supply model 202