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Diagnostic Manual, Diesel Engines, Volume 1.1

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LOCATION:    3.3 In-line Fuel Injection (IFI)    >   22 Electrical Test Program - Preparation for Test


Electrical Test Program - Preparation for Test

Preliminary work:
Diagnosis - Diagnostic Trouble Code (DTC) Memory 11

1. Review 11 , 12 , 22 , 23 , 31 ,
2. Ignition: OFF
3. Fuse on passenger-side fuse and relay module (K40/4) in order,
Passenger-side fuse and relay module in order and connected.
4. Disconnect engine control module (IFI) (N3/7) connector.
5. Connect socket box with test cable to engine control module (IFI) (N3/7).

Electrical wiring diagrams :
Electrical Troubleshooting Manual, Model 210, Volume 1

Special Tools

Test equipment; See MBUSA Standard Service Equipment Program
Description Brand, model, etc.
Multimeter Fluke models 23, 77 III, 83, 85, 87
Engine analyzer Bear DACE
Hermann Electronic
Y - fitting 117 078 01 45