One-Touch Start System (OSS)

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.
1. Coding is not completed.
2. 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