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

1. Ignition: OFF 2. Fuse on relay module (K40) in order. Relay module in order. Relay module plug connected. 3. Disconnect IFI control module (N3/7) connector. 4. Connect socket box with test cable to IFI control module (N3/7). Electrical wiring diagrams : Electrical Troubleshooting Manual, Model 210, Volume 1

Special Tools

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 83, 85, 87
Engine analyzer 1)	Bear DACE
Y - fitting	117 078 01 45

1) Available through the MBUSA Standard Equipment Program.