Super All Wheel Control

DTC C2205: Steering Wheel Sensor System (internal Malfunction)

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, and initialize the steering angle correction amount stored in AWC-ECU. (Item No.09: Steering angle correction amount initialization.)

OPERATION
AWC-ECU receives the self-diagnosis status of steering wheel sensor.

DTC SET CONDITIONS
The code is set when abnormality is detected by the self-diagnosis of the steering wheel sensor.

PROBABLE CAUSES
^ Malfunction of steering wheel sensor
^ Malfunction of AWC-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Scan tool CAN bus diagnostics
Using scan tool MB991958, diagnose the CAN bus lines.

Q: Is the check result normal?
YES: Go to Step 3.
NO: Repair the CAN bus lines. After repairing the CAN bus line, go to Step 2.

STEP 2. Check whether the DTC is reset.

Q: Is DTC No. C2205 set?
YES: Go to Step 3.
NO: This diagnosis is complete.

STEP 3. Scan tool service data
Item 13: Steering wheel sensor

Q: Is the check result normal?
YES: Go to Step 4.
NO: Replace the steering wheel sensor. Then go to Step 5.

STEP 4. Check whether the DTC is reset.

Q: Is DTC No. C2205 set?
YES: Replace the AWC-ECU. Then go to Step 5.
NO: Intermittent malfunction.

STEP 5. Check whether the DTC is reset.

Q: Is DTC No. C2205 set?
YES: Return to Step 1.
NO: This diagnosis is complete.