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Home >> Mercedes Benz >> 2007 >> C280 Base >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation -- Self-Diagnostic System -- 203 Chassis - 2 Of 2 >> Self-Diagnostic System >> Check electronics - ME-SFI fuel injection system - AD07.61-P-6000D

Check electronics - ME-SFI fuel injection system - AD07.61-P-6000D

ENGINES 111.921 /942 as of 1.9.98, 111.943, 111.944 as of 1.8.96, 111.946 as of 1.6.98, 111.947 /973, 111.975 as of 1.8.96 

ENGINE 111.945 in MODELS 208.335 /435 as of 1.6.98, 202.020 /080 as of 1.9.98 

ENGINE 111.974 with CODE (494a) USA version with CODE (807) Model year 1997 with CODE (808) Model year 1998 

DANGER Hazard  from contact with parts conducting high voltages. Do not touch parts which conduct high voltages. Persons who wear electronic implants (e.g. heart pacemakers) must not carry out work on the ignition system. AS15.10-Z-0001-01A
DANGER Lethal Hazard  from being drawn into rotating vehicle parts Do not reach into rotating parts.
Wear closed and close-fitting work clothes.
Secure area of rotating vehicle components against unauthorized access.
AS00.00-Z-0004-01A
DANGER Risk of explosion  from fuel igniting, risk of poisoning  from inhaling and swallowing fuel as well as risk of injury  to eyes and skin from contact with fuel. No fire, sparks, naked flames or smoking.
Pour fuels only into suitable and appropriately marked containers.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
NOTES Notes on avoiding damage to ignition system Engines 104, 111, 112, 113, 119, 120 with ME-SFI fuel injection and ignition system AH15.10-P-0002-01D
  ME-SFI fuel injection and ignition system diagnosis previous knowledge   AD07.61-P-2000D
  Connection and use of testing equipment   AD00.00-P-1000AZ
  Connect hand-held-tester (HHT) and read out fault memory   AD00.00-P-2000-03A
IMPORTANT Remove center connector first when removing connectors from ME-SFI control module, and plug in last when reconnecting.    
IMPORTANT Measuring equipment/test connection column:
The numbers in brackets such as => 1.0 (2A) mean:
A = Connector A in wiring diagram
2 = Socket 2 in wiring diagram
   
a Ignition: OFF     
b Connect test wiring harness with socket box to ME-SFI control module (N3/10) in accordance with connection plan IMPORTANT Connector with red marking is not required at present, since no function available in MESFI control module yet AD07.61-P-2000-01A
  Inspecting     
1 ME-SFI control module terminal 30 - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-01D 
2 ME-SFI control module terminal 87 - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-02D 
3 Start relay - Check electronics - ME-SFI fuel injection system Models 170, 208
Model 202 as of 1.6.97
Model 210 as of 1.6.98
AD07.61-P-6000-03D
4 Hot film mass air flow sensor - Check electronics ME- SFI fuel injection system   AD07.61-P-6000-04D 
5 Intake air temperature sensor - Check electronics ME- SFI fuel injection system   AD07.61-P-6000-05A 
6 Pressure sensor - Check electronics - ME-SFI fuel injection system USA ONLY AD07.61-P-6000-06C 
7 Fuel pump relay - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-07D 
8 Coolant temperature sensor - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-08A 
9 ME-SFI control module speed signal - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-09B 
10 O2 sensor signal upstream of catalytic converter - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-42A 
11 O2 sensor heater upstream of catalytic converter - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-43A 
12 O2 sensor signal downstream of catalytic converter - Check electronics - ME-SFI fuel injection system USA ONLY AD07.61-P-6000-44A 
13 O2 sensor heater downstream of catalytic converter - Check electronics - ME-SFI fuel injection system USA ONLY AD07.61-P-6000-45A 
14 Fuel injector (Y62/1) - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-18C 
15 Fuel injector (Y62/2) - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-19D 
16 Fuel injector (Y62/3) - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-20D 
17 Fuel injector (Y62/4) - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-21D 
18 Secondary air injection relay - Check electronics - ME-SFI fuel injection system 111.974
with CODE (494a) USA version
with CODE (807) model year 1997
with CODE (808) model year 1998
AD07.61-P-6000-24D 
19 Air pump control valve - Check electronics - ME-SFI fuel injection system Model 170 with code (923) low-pollutant D3 supercharger
Model 202 USA ONLY
Model 202 with code (923) low-pollutant D3 supercharger
AD07.61-P-6000-25C
20 Secondary air injection - Check electronics - ME-SFI fuel injection system Model 170 with code (923) low-pollutant D3 supercharger
Model 202 USA ONLY
Model 202 with code (923) low-pollutant D3 supercharger
AD07.61-P-6000-26C
21 ME-SFI fuel injection system - EGR control valve actuation - Check electronics 111.974 USA ONLY AD07.61-P-6000-50A 
22 ME-SFI fuel injection system - EGR control valve vacuum control - Check electronics 111.974 USA ONLY AD07.61-P-6000-51A 
23 ME-SFI fuel injection system - Exhaust gas recirculation valve - Check electronics 111.974 USA ONLY AD07.61-P-6000-52A 
24 Camshaft control electromagnetic actuator - ME-SFI fuel injection system - Check electronics   AD07.61-P-6000-46A 
25 Camshaft control - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-47A 
26 Purge control valve actuation - Check electronics ME-SFI fuel injection system   AD07.61-P-6000-29C 
27 Vacuum control purge control valve - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-30C 
28 Purge system - Check electronics - ME-SFI fuel injection system Model 170 USA ONLY
Model 202 USA ONLY as of 09/97
AD07.61-P-6000-31C
29 Activated charcoal canister shut-off valve - Check electronics - ME-SFI fuel injection system Model 170 USA ONLY
Model 202 USA ONLY as of 09/97
AD07.61-P-6000-32C
30 Fuel tank pressure sensor - Check electronics - ME-SFI fuel injection system Model 170 USA ONLY
Model 202 USA ONLY as of 09/97
AD07.61-P-6000-33C 
31 Purge monitor pressure sensor - Check electronics - ME-SFI fuel injection system 111.921/944/945/974/975 up to 31.8.97 USA ONLY AD07.61-P-6000-48B 
32 CAN data bus - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-34C 
33 Oil level monitor switch - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-49A 
34 Diagnosis cable - Check electronics - ME-SFI fuel injection system   AD07.61-P-6000-37A 
35 ME-SFI fuel injection system - Supercharger function - Check electronics Supercharger AD07.61-P-6000-53A 
36 ME-SFI fuel injection system - Supercharger magnetic clutch - Check electronics Supercharger AD07.61-P-6000-54A 
37 ME-SFI fuel injection system - Supercharger recirculated air flap actuator - Check electronics Supercharger AD07.61-P-6000-55A 
38 Suction-type fan control module - Check electronics - ME-SFI fuel injection system CODE (580) air conditioning or USA ONLY Tempmatic AD07.61-P-6000-36B 
39 A/C compressor shutoff - Check electronics - ME-SFI fuel injection system Model 170 with M111.946 as of 6/98,
Model 202 with M111.921/945 as of 6/98,
Model 208 with M111.945 as of 6/98,
Model 210 with M111.942 as of 6/98 with CODE (580) air conditioning or USA ONLY Tempmatic
AD07.61-P-6000-57A 
40 Starter contact breaker clutch pedal switch - Check electronics - ME-SFI fuel injection system Model 170 with M111.973 USA ONLY with mechanical transmission AD07.61-P-6000-58A
41 Crash signal - Check electronics - ME-SFI fuel injection system as of 06/98 AD07.61-P-6000-56A