Code No. U0125 G and yaw rate sensor message time-out error/message error

caution

If there is any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C, Trouble code diagnosis

OPERATION

The G and yaw rate sensor outputs the signal to ASC-ECU via the special CAN bus lines.

DIAGNOSIS CODE SET CONDITIONS

This diagnosis code is set when the G and yaw rate sensor signal is not sent to ASC-ECU.

PROBABLE CAUSES

Wiring harness or connector failure of CAN bus line
G and yaw rate sensor malfunction
ASC-ECU malfunction
External noise interference

DIAGNOSIS PROCEDURE

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

Use M.U.T.-III to diagnose the CAN bus lines.

Q. Is the check result normal?

	Go to Step 2.

	Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting ). On completion, go to Step 4.

STEP 2. Diagnosis code recheck after resetting CAN bus lines

Q. Is the diagnosis code No. U0125 set?

	Replace the G and yaw rate sensor, and then go to Step 3.

	This diagnosis is complete.

STEP 3. Check whether the diagnosis code is reset.

Q. Is the diagnosis code No. U0125 set?

	Replace the ASC-ECU, and then go to Step 4.

	This diagnosis is complete.

STEP 4. Check whether the diagnosis code is reset.

Q. Is the diagnosis code No. U0125 set?

	Go to Step 1.

	This diagnosis is complete.