For all test steps performed with ignition ON, the LED must light up, i.e. battery voltage O.K. When testing , all other electrical consumers must be turned off. For 23.0 - 25.0 the rear wheels must be raised off the ground. Note: Unscrew locking tab (arrow, 23 Fig. 13) from ABS-adapter plug 126 589 09 21 00. Note: The entire ABS test must be performed after any repairs or other work on either the ABS system or the brake system. Note: It is assumed that the technician is capable of testing switches, relays, lamps, connectors and wires for proper operation without further instructions.

Never drive the vehicle with the ABS-adapter (07) connected!

Equipment

Multimeter 1)

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

1) Available through the MBUSA Standard Equipment Program.