DTC B1761: VIN not programmed
caution
When DTC B1761 is set, be sure to diagnose the CAN bus line.
When replacing the ECU, always check that the communication circuit is normal.
DTC SET CONDITION
KOS-ECU stores DTC B1761 when no VIN is recorded in it.
TECHNICAL DESCRIPTION (COMMENT)
KOS-ECU determines that the abnormality is present when no VIN is recorded in it.
TROUBLESHOOTING HINTS
Malfunction of CAN bus line
VIN not programmed
Malfunction of the KOS-ECU
DIAGNOSIS
1.
Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
2.
Register the VIN and recheck the diagnostic trouble code.