With ABS Test Adapter
Checking electrics/electronicsWith ABS Test Adapter
NOTE: Special Tools Required. Mercedes Benz does not supply test procedures for use without the ABS Test Adapter.
Special Tools:
Commercially available tool
Multimeter e.g. Sun, DMM-5
Complaint-related troubleshooting schedule:
Notes on adapter
Using this tester the complete ABS system can be checked with the exception of the electronic control unit.
Conditions for test
On all test steps with ignition: ON the LED "BATT" must come on, which means battery voltage is correct, and the remaining electrical ancillaries must be switched off.
CAUTION! The vehicle must not be driven with the ABS adapter (07) connected.
Connection diagram
With the ignition switched off, detach connector from ABS control unit (N30) and connect to the adapter. Connect multimeter (06) to ABS adapter (07).
Test program
Test Steps 1/1 - 6/2:
Test Steps 7/3 - 12/6:
Test Steps 13/6 - 18/8:
Test Steps 19/8 - 22/9:
Test Steps 23/6 - 25/10:
Figure 1:
Figure 2 (126):
Figure 2 (example 124):
Figure 3 (126 up to 8/81):
Figure 3 (124):
Figure 4 (126 - 9/81 to 8/85):
Figure 4 (201 Up To 12/84):
Figure 5 (126 From 9/85):
Figure 5 (201 From 1/85):
Figure 6:
Figure 7:
Figure 8:
Figure 9:
Figure 10:
Figure 11:
Figure 12:
