Code No. C2205: SAS internal 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 - CAN Bus Diagnostics Table ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.

OPERATION


Steering wheel sensor sends its status signal to ASC-ECU.

DIAGNOSIS CODE SET CONDITIONS


This diagnosis code is set when ASC-ECU detects that the steering wheel sensor has malfunction.

PROBABLE CAUSES



  • Steering wheel sensor malfunction
  • ASC-ECU malfunction
  • External noise interference

DIAGNOSIS PROCEDURE


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


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 - CAN Bus Diagnostics Table ). On completion, go to Step 4.

STEP 2. Check whether the diagnosis code is reset.


Erase the diagnosis code.

Q. Is diagnosis code No.C2205 set?

Replace the steering wheel sensor (Refer to ), and then go to Step 3.
This diagnosis is complete.

STEP 3. Check whether the diagnosis code is reset.


Erase the diagnosis code.

Q. Is diagnosis code No.C2205 set?

Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ), and then go to Step 4.
This diagnosis is complete.

STEP 4. Check whether the diagnosis code is reset.


Q. Is diagnosis code No.C2205 set?

Return to Step 1.
This diagnosis is complete.