Active Stability Control System (ASC)
CHECK AT ECU TERMINALS
TERMINAL VOLTAGE CHECK
Connect the special tool ASC check harness (MB991997) to measure the voltage between each check connector terminal and the ground terminal (No.16 or 47).
CONTINUITY CHECK AT WIRING HARNESS-SIDE CONNECTOR
1. When performing the continuity check, turn the ignition switch to LOCK (OFF) position, connect the special tool ASC check harness (MB991997) as shown in the figure, and disconnect the ASC-ECU connector.
2. Check for continuity between terminals shown in the chart below.
3. Terminal layout is shown in the figure.