Active Center Differential (ACD)

DTC C2205: Steering Wheel Sensor System (Internal Error)

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 (Refer to On-vehicle Service Testing and Inspection), and initialize the steering angle correction amount stored in AWC-ECU. (Item No.1: Steering angle correction amount initialization Special Function Reference Table).

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

DIAGNOSIS

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. (Refer to Troubleshooting CAN Bus Diagnostics Table). 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 data list
Item 13: Steering wheel sensor (Refer to Data List Reference Table).
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. (Refer to How to Cope with Intermittent Malfunction How to Use Troubleshooting/Inspection Service Points).

STEP 5. Check whether the DTC is reset.
Q: Is DTC No.C2205 set?
YES: Return to Step 1.
NO: This diagnosis is complete.