C1630

Code No. C1630: Steering Wheel Sensor CAN Data (not received)

CAUTION:

- If there is any problem in the CAN bus lines, an incorrect diagnostic trouble code may be set. Prior to this diagnosis, diagnose the CAN bus lines.

- Whenever the ECU is replaced, ensure that the CAN bus lines are normal.

- When the steering wheel sensor is replaced, calibrate the steering wheel sensor Testing and Inspection), and reset the steering wheel sensor correction amount stored in the AWC-ECU. (Item No. 1: SAS adjusted value S-AWC Special Function).

OPERATION

AWC-ECU communicates with the steering wheel sensor via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

This diagnostic trouble code is set when the CAN signal of the steering wheel sensor cannot be received.

PROBABLE CAUSES

- Malfunction of the CAN bus line

- Damaged connectors (steering wheel sensor)

- Malfunction of the steering wheel sensor

- Malfunction of AWC-ECU

DIAGNOSTIC PROCEDURE

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

Use scan tool to perform the CAN bus diagnosis.

Q. Is the check result normal?

YES Go to Step 2.
NO Repair the CAN bus lines. CAN Bus Diagnostics Chart).
STEP 2. M.U.T.-III data list.

Item No.8: Steering angle sensor (refer to Data List Reference Table).

Q. Is the check result normal?

YES Intermittent malfunction. How to Cope With Intermittent Malfunctions).
NO Replace the steering wheel sensor. Service and Repair). Then go to Step 3.
STEP 3. Check whether the diagnostic trouble code is reset.

Q. Is diagnostic trouble code No.C1630 set?

YES Replace the AWC-ECU. (Refer to AWC-ECU Removal and Installation). Then go to Step 4.
NO Intermittent malfunction. How to Cope With Intermittent Malfunctions).
STEP 4. Check whether the diagnostic trouble code is reset.

Q. Is diagnostic trouble code No.C1630 set?

YES Return to Step 1.
NO This diagnosis is complete.