Without Scan Tool

Using the ABS Warning Light and Special Tool MB991529

NOTE: The TCL system is controlled by the ABS-ECU. TCL diagnostic trouble codes are also indicated by flashing of the ABS warning light.

Required Special Tool:
- MB991529: Diagnostic Trouble Code Check Harness





1. Use special tool MB991529 to ground number 1 terminal of the data link connector.
2. Turn the ignition switch to the "ON" position.











3. Read out a diagnostic trouble code by observing how the warning light flashes.
4. Disconnect special tool MB991529.