Pinout Values and Diagnostic Parameters

CHECK AT ECU TERMINALS

TERMINAL VOLTAGE CHECK

Required Special Tool:

MB991997: ASC Check Harness





1. Operate the lock lever as shown in the figure to disconnect the ASC-ECU wiring harness connector.





2. Connect special tool ASC Check Harness (MB991997) to measure the voltage between each check connector terminal and the ground terminal (No. 16 or 47).






RESISTANCE AND CONTINUITY BETWEEN HARNESS-SIDE CONNECTOR TERMINALS

Required Special Tool:

MB991997: ASC Check Harness





1. Operate the lock lever as shown in the figure to disconnect the ASC-ECU wiring harness connector.





2. When performing the continuity check, turn the ignition switch to LOCK (OFF) position, connect special tool ASC Check Harness (MB991997) as shown in the figure, and disconnect the ASC-ECU connector.
3. Check for continuity between terminals shown in the chart below.
4. Terminal layout is shown in the figure.