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DTC C2204 Sensor Cluster Internal Error
 
 
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 (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.
 
 
OPERATION
The ASC-ECU communicates with its integrated G and yaw rate sensor.
 
 
 
DTC SET CONDITION
This DTC will be set when the ASC-ECU detects an defective G and yaw rate sensor.
noteThis DTC may be set when G and yaw rate sensor is put on the turntable turning at high speed.
 
 
 
PROBABLE CAUSE
  • ASC-ECU malfunction
 
 
 
 
DIAGNOSIS
STEP 1. Using scan tool (M.U.T.-IIISE), diagnose the CAN bus line.
(1)
cautionTo prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE).
Connect scan tool (M.U.T.-IIISE). Refer to "How to connect the Scan Tool (M.U.T.-IIISE) ."
(2) Turn the ignition switch to the "ON" position.
(3) Diagnose the CAN bus line.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Is the check result normal?
Go to Step 3.
Repair the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ). On completion, go to Step 2.
 
STEP 2. DTC recheck after resetting CAN bus lines.
Is DTC C2204 set?
Go to Step 3.
This diagnosis is complete.
 
STEP 3. Check whether the ASC-ECU is installed properly.
Check whether the ASC-ECU is installed correctly. Refer to .
Is the check result normal?
Go to Step 4.
Repair it.
 
STEP 4. Using scan tool (M.U.T.-IIISE), check data list.
Check the following data list (Refer to ).
  • Item 06: Yaw rate sensor
  • Item 08: Lateral G sensor
  • Item 18: Yaw rate sensor offset
  • Item 20: Lateral G sensor offset
Is the check result normal?
Go to Step 5.
Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ).
 
STEP 5. Check whether the DTC is set again.
(1) Erase the DTC.
(2) Turn the steering wheel to either right or left at 20 km/h (12 mph) or higher.
noteThe ASC warning/operation light and the ASC OFF light may remain on until the vehicle speed reaches approx. 10 km/h (6 mph), then the steering wheel is turned to either right or left.
Is DTC 2204 set?
Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How to Cope with Intermittent Malfunctions ).