DTC B254F: IG status fault
TROUBLE JUDGMENT
When the camera-ECU does not receive any ignition switch status signals from the ETACS-ECU for 5 seconds, DTC B254F will be set.
TROUBLESHOOTING HINTS
The ETACS-ECU may be defective
The camera-ECU may be defective
The CAN bus may be defective
DIAGNOSIS
1.
Using scan tool (M.U.T.-IIISE), diagnose CAN bus line.
2.
Check if DTC U0141 is set.
3.
Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.