Test 4: Trunk Lid Lock Switch
WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 1999 Mercedes-Benz E430, 1999 Mercedes-Benz E320, 1999 Mercedes-Benz E300, 1999 Mercedes-Benz CLK430, and 1999 Mercedes-Benz CLK320. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect PSE control module connector, located under rear seat. Measure voltage between positive battery terminal and PSE control module connector No. 1, terminal No. 11. With trunk lid lock switch in rest position, voltage should be less than one volt. With trunk lid lock switch in unlocked position, battery voltage should exist.
- Measure voltage between positive battery terminal and PSE control module connector No. 1, terminal No. 12. With trunk lid lock switch in rest position, voltage should be less than one volt. With trunk lid lock switch in unlocked position, battery voltage should exist. If voltage is as specified, trunk lid lock switch is okay at this time. If voltage is not as specified, repair wiring. See WIRING DIAGRAMS . Check trunk lid lock switch.