Code No.U1415 Coding data not written



caution
  • If the diagnosis code No. U1415 is set, diagnose the CAN bus lines.
  • When replacing the ECU, always check that the SRS circuit is normal.

FUNCTION




TROUBLE JUDGMENT




PROBABLE CAUSES



  • Malfunction of CAN bus line
  • Malfunction of SRS-ECU
  • Malfunction of the ETACS-ECU

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnostics.



Q. Is the check result normal?





STEP 2. M.U.T.-III other system diagnosis code.



Q. Is the diagnosis code set?





STEP 3. Check whether the diagnosis code is reset.



(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Check if diagnosis code is set.

Q. Is the diagnosis code set?