If the diagnosis
code No. U0141 is set, diagnose the CAN bus lines.
When replacing the ECU, always check that the SRS circuit is normal.
FUNCTION
If the signal from ETACS-ECU cannot be received, the SRS-ECU sets the diagnosis code No.
U0141.
TROUBLE JUDGEMENT
Because of the CAN-B bus circuit malfunction, if SRS-ECU becomes unable to perform the
normal data transmission, SRS-ECU determines that an abnormality is present.