DTC U119A: VIN mismatch
caution
If DTC U119A is set, diagnose the CAN bus lines.
When replacing the ECU, always check that the SRS circuit is normal.
FUNCTION
If the registered VIN is different from that transmitted on the CAN-C-Mid bus lines, the SRS-ECU will set DTC U119A.
TROUBLE JUDGMENT
If the VIN stored in the SRS-ECU does not comply with that transmitted in CAN-C-Mid bus lines, the SRS-ECU determines that a problem has occurred.
TROUBLESHOOTING HINTS
VIN not written
Malfunction of CAN bus line
Malfunction of engine control module
Malfunction of SRS-ECU
DIAGNOSIS
1.
Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
2.
Using scan tool (M.U.T.-IIISE), check whether the other system DTC is set.
3.
Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.