Test 4: Diagnostic Output
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Mercedes-Benz SLK230, 1999 Mercedes-Benz ML430, 1999 Mercedes-Benz ML320, 1999 Mercedes-Benz E430, and 1999 Mercedes-Benz E320. However, it is still accessible from the selected car via links, so may be relevant.
Using Adapter (202 589 03 63 00), connect Breakout Box (129 589 00 21 00) to traction control module. See Figure, Figure or Figure. Turn ignition switch to RUN position. Check voltage between terminals No. 9 and 57 at breakout box. If battery voltage exists, system is okay at this time. If battery voltage does not exist, check wiring. See WIRING DIAGRAMS . On C230 and C280 models with control module box, check relay module.