Code No. B1163 Coding data mismatch


caution
  • When the diagnosis code No.B1163 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.

DIAGNOSTIC FUNCTION



JUDGEMENT CRITERIA


Check Conditions
  • For 5 seconds since the start of the reception of ignition status signal (ON or during cranking) transmitted from ETACS-ECU.
Judgment Criterion
  • A coding data is received which is different from the current coding status.

PROBABLE CAUSES



  • Malfunction of the CAN bus line
  • ETACS-ECU malfunction
  • ETACS-ECU has been interchanged between two vehicles
  • Malfunction of OSS-ECU

DIAGNOSIS PROCEDURE


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