Code No.C2267: Wheel speed signal 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 (Refer to GROUP 54C - Troubleshooting ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.
  • When the FCM-ECU is replaced, calibrate the radar (refer to ).

OPERATION


The FCM-ECU receives vehicle speed signal from the ASTC-ECU.

DIAGNOSIS CODE SET CONDITIONS


The FCM-ECU sets the diagnosis code when it receives an invalid vehicle speed signal from the ASTC-ECU.
note A diagnosis code is not set as a historic fault.

PROBABLE CAUSES




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 2.

STEP 2. Use M.U.T.-III to confirm a diagnosis code of other systems.


Check if the diagnosis code is set in the ASTC-ECU (Refer to Diagnosis Code Chart ).

Q. Is the diagnosis code set?

Troubleshoot the ASTC-ECU diagnosis code (Refer to Diagnosis Code Chart ).
Go to Step 3.

STEP 3. Check whether the diagnosis code is set again.


Check again if the diagnosis code is set in the FCM-ECU.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Start the engine.
(4)On completion, check that the diagnosis code is set again.

Q. Is diagnosis code No. C2267 set?

Replace the FCM-ECU (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunctions ).