Pinout Values and Diagnostic Parameters
TERMINAL VOLTAGE CHECK CHART AT ABS-ECUConnect the special tool (MB991638) between the ABS-ECU and harness side connector.
Part 1:
Part 2:
1. Measure the voltages between terminals (55) and (1) (ground terminals) and each respective terminal.
2. The terminal layouts are shown in the illustrations below.
RESISTANCE AND CONTINUITY BETWEEN HARNESS-SIDE CONNECTOR TERMINALS
1. Turn the ignition switch oft and disconnect the ABS-ECU connectors.
2. Connect the special tool (MB991638) to the harness side connector.
3. Check them between the terminals indicated in the table.
4. The terminal layouts are shown in the illustrations below.