Inspection Procedure 1: Scan Tool Cannot Communicate Only With ABS-ECU: Notes
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CAUTION:
- If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to CAN BUS DIAGNOSTICS TABLE ).
- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
- If the power is supplied with the ground circuit of CAN communication device open circuited, an electric potential abnormality may occur to the CAN bus lines.