Diagnosis Item 2: Malfunction of the ETACS-ECU



caution When servicing a CAN bus line, earth yourself by touching a metal object such as an unpainted water pipe. If you fail to do, a component connected to the CAN bus line may be broken.

FUNCTION




TROUBLE JUDGMENT CONDITIONS




TROUBLESHOOTING HINTS



  • Malfunction of the ETACS-ECU

DIAGNOSIS PROCEDURE


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


Check whether ETACS-ECU-related diagnosis code is set.

Q. Is the diagnosis code set?

The diagnosis code other than the U code is set. : Troubleshoot the ETACS-ECU. Refer to GROUP 54A - ETACS-ECU .
Only U-code diagnosis code is set or the diagnosis code is not set. : Check the power supply circuit of the ETACS-ECU. Refer to GROUP 54A - ETACS-ECU .