23A-DTC C1630 STEERING WHEEL SENSOR CAN DATA (NOT RECEIVED)

DTC C1630: Steering Wheel Sensor CAN Data (not received)

caution

If there is any problem in the CAN bus lines, an incorrect DTC 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 (Refer to GROUP 35C - On-vehicle Service ), and reset the steering wheel sensor correction amount stored in the AWC-ECU (Item No. 1: Steering angle adjusted value ).

OPERATION

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

DTC SET CONDITIONS

This DTC is set when the CAN signal of the steering wheel sensor cannot be received.

PROBABLE CAUSES

DIAGNOSIS

STEP 1. Scan tool (M.U.T.-IIISE) CAN bus diagnostics.

Use scan tool (M.U.T.-IIISE) to perform the CAN bus diagnosis.

Is the check result normal?

Go to Step 2

Repair the CAN bus lines (Refer to GROUP 54C - Diagnosis, Can Bus Diagnostics Table

STEP 2. Scan tool (M.U.T.-IIISE) data list.

Check the following data list (Refer to

Item No.21: Steering angle

Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction

Replace the steering wheel sensor (Refer to GROUP 35C - Steering Wheel Sensor

). Then go to Step 3

STEP 3. Check whether the DTC is set again.

Is the DTC C1630 set?

Replace the AWC-ECU (Refer to

This diagnosis is complete.