Code No. P1B35 SAS data fail


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 .

OPERATION

    Steering wheel sensor communicates with EV-ECU via CAN.

DIAGNOSIS CODE SET CONDITIONS

    If the rotatinal angle of steering wheel information received from the steering wheel sensor via the CAN is abnormality, the diagnosis code No.P1B35 will be set.

PROBABLE CAUSES

  • Steering wheel sensor malfunction
  • EV-ECU malfunction

DIAGNOSTIC 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 3
Repair the CAN bus line (Refer to GROUP 54C - CAN Bus Diagnostics Table ). Then go to Step 2.

STEP 2. Diagnosis code recheck after resetting CAN bus lines
Recheck if the diagnosis code is set .
(1)Erase the diagnosis code.
(2)Turn the electric motor switch from "LOCK" (OFF) position to "ON" position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Go to Step 3
This diagnosis is complete.

STEP 3. M.U.T.-III other system diagnosis code
Check if diagnosis code is set to the ASC-ECU.

Q. Is the diagnosis code set?
Troubleshoot the ASC (Refer to GROUP 35C - Diagnosis Code Chart ). Then go to Step 4.
Go to Step 4

STEP 4. Check whether the diagnosis code is reset
Recheck if the diagnosis code is set .
(1)Erase the diagnosis code.
(2)Turn the electric motor switch from "LOCK" (OFF) position to "ON" position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Replace the EV-ECU. (Refer to .) Then go to Step 5.
The diagnosis is complete.

STEP 5. Check whether the diagnosis code is reset
Recheck if the diagnosis code is set .
(1)Erase the diagnosis code.
(2)Turn the electric motor switch from "LOCK" (OFF) position to "ON" position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Go to Step 1
The diagnosis is complete.