CODE NO. U0184 Audio CAN timeout



caution
  • If the diagnosis code No. U0184 is set, be sure to diagnose the CAN bus line.
  • When replacing the ECU, always check that the communication circuit is normal.

FUNCTION




TROUBLE JUDGMENT




PROBABLE CAUSES



  • Malfunction of CAN bus line
  • Malfunction of SRS-ECU
  • Malfunctions of 6-disc CD changer and AM/FM radio

DIAGNOSIS PROCEDURE


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



Q. Is the check result normal?





STEP 2. M.U.T.-III 6-disc CD changer and AM/FM radio 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?