INSPECTION PROCEDURE 1: Communication between the Scan Tool and the ABS/TCL-ECU is not Possible.: Diagnosis
Required Special Tools:
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: MUT-III USB Cable
- MB991910: MUT-III Main Harness A
Using scan tool MB991958, diagnose the CAN bus line.
CAUTION:
To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.
Use scan tool MB991958 to diagnose the CAN bus lines.
- Connect scan tool MB991958 to the data link connector.
- Turn the ignition switch to the "ON" position.
- Diagnose the CAN bus line.
Q: Is the check result satisfactory?
YES : Check and repair the power supply circuit system (Refer to INSPECTION PROCEDURE 2: ABS-ECU POWER SUPPLY CIRCUIT SYSTEM ).
NO : Repair the CAN bus line (Refer to, DIAGNOSIS ).