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

1. Ignition: OFF 2. Remove diagnostic module (N59). 3. Connect socket box with test cable (according to connection diagram on next page). 4. Test steps 1.2 - 1.3 and 2.1 - 2.2 only: Ignition: OFF , remove base module (N16/1) and connect socket box with contact module 1 and contact box (see Diagnostic Manual, Chassis and Drivetrain, Volume 1, section 1 22 ). Electrical wiring diagrams, see Electrical Troubleshooting Manual.

Equipment

Digital multimeter 1)

Sun DMM-5 Fluke models 23, 83, 85, 87

1) Available through the MBUSA Standard Equipment Program.