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

1. Ignition: OFF 2. Remove diagnostic module (OBD II, N59/1). 3. Connect socket box with test cable according to connection diagram. Electrical wiring diagrams : Electrical Troubleshooting Manual, Model 129 Electrical Troubleshooting Manual, Model 202.

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 83, 85, 87
Test and adjustment diagnostic equipment (oscilloscope) 1)	BEAR DACE

1) Available through the MBUSA Standard Equipment Program.