DTC U1415 Coding not completed/Date fail
caution
If DTC U1415 is set, diagnose the CAN bus lines.
When replacing the ECU, always check that the communication circuit is normal.
DIAGNOSTIC FUNCTION
When the coding data is not registered, OSS-ECU sets the DTC U1415, and flashes the indicator of engine switch in orange.
DTC SET CONDITION
Check Conditions
When all the following conditions are met.
Coding is not completed.
For 5 seconds since the start of the reception of ignition status signal (ON or during cranking) transmitted from ETACS-ECU.
Judgment Criterion
Any of the coding is not completed normally.
TROUBLESHOOTING HINTS
Malfunction of the CAN bus line
Variant coding for ETACS-ECU has not been implemented.
Malfunction of OSS-ECU
ETACS-ECU malfunction
DIAGNOSIS
1.
Using scan tool MB991958, diagnose the CAN bus line.
2.
ETACS-ECU DTC check
3.
OSS-ECU DTC recheck