Preliminary work: Diagnosis - Diagnostic Trouble Code (DTC) Memory 12

Preparation for Test: 1. Review section: 0, C/1, 12, 13, 20, 21, 22, 31, , 2. Review ETM diagrams: PE46.15-P-2000B, PE68.49-P-2000D, PE68.49-P-2000C, PE88.79-P-2000I, PE88.79-P-2000J, PE88.79-P-2000F 3. All fuses OK, 4. Battery voltage > 11 V, 3. Disconnect battery ground cable prior to connecting or disconnecting any electrical connector to any control module (to prevent the storing of erroneous diagnostic trouble codes), 4. Voltage supply to control modules and data lines ok, see DM, B&A, Vol. 2, section 7.1, 23 For test measuring purposes, the CAN connection to the following control modules must be connected: PSE control module (A37) Signal pickup-and activation module (SAM) (N10/1) Electrical wiring diagrams: Electrical Troubleshooting Manual, Model 202, group 88, Electrical Troubleshooting Manual, Model 208, group 88, lectrical Troubleshooting Manual, Model 210, groups 46, 88

Conventional tools, test equipment

Description	Brand, model, etc.
Multimeter 1)	Fluke models 23, 83, 85, 87

1) Available through the MBUSA Standard Equipment Program.