2018 / ECLIPSE CROSS / EC - Workshop Manual
52 -INTERIOR AND SUPPLEMENTAL RESTRAINT SYSTEM(SRS) > 52B-SUPPLEMENTAL RESTRAINT SYSTEM (SRS) > TROUBLESHOOTING > DIAGNOSIS CODE PROCEDURES > DTC B1646 Coding data mismatch
Code No. B1646: Coding data mismatch
| caution | - If diagnosis code No. B1646 is set, diagnose the CAN bus lines.
- When replacing the ECU, always check that the communication circuit is normal.
|
FUNCTION
If a false coding data is written in the SRS-ECU, the SRS-ECU will set diagnosis code No. B1646.
TROUBLE JUDGEMENT
When correct coding data is not received from ETACS-ECU, SRS-ECU will determine that the a problem has occurred.
PROBABLE CAUSES
- Malfunction of CAN bus line
- Malfunction of ETACS-ECU
- Malfunction of SRS-ECU
DIAGNOSIS PROCEDURE
1. M.U.T.-IIISE CAN bus diagnostics
2. M.U.T.-IIISE other system diagnosis code
3. Check whether the diagnosis code is set again.
