Code No. C2204
Sensor cluster internal error
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| caution |
- If there is
any problem in the CAN bus lines, an incorrect diagnosis code may be set. Prior to this diagnosis,
diagnose the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table
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- Whenever ECU is replaced, ensure that the CAN bus lines are normal.
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The ASC-ECU communicates with its integrated G and yaw rate sensor.
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DIAGNOSIS CODE SET CONDITIONS
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This diagnosis code will be set when the ASC-ECU detects an defective G and yaw rate sensor.
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| note |
This diagnosis code may be set when G and yaw rate sensor is put on the turntable turning
at high speed.
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STEP 1. M.U.T.-III CAN bus diagnosis
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Use M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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 Go to Step 3.
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 Repair the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
On completion, go to Step 2.
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STEP 2. Diagnosis code recheck after resetting CAN bus lines
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Q.
Is the diagnosis code No.C2204 set?
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Go to Step 3.
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This diagnosis is complete.
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STEP 3. Check whether the ASC-ECU is installed properly.
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Check whether the ASC-ECU is installed correctly. Refer to .
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Q.
Is the check result normal?
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Execute "Lateral G sensor calibration" on "Special function." After the calibration
is performed (Refer to ), turn the ignition switch from
"OFF" to "ON".Then go to Step 4.
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Install the ASC-ECU properly, and execute "Lateral G sensor calibration" on "Special
function". After the calibration is performed (Refer to ),
turn the ignition switch from "OFF" to "ON".Then go to Step 4.
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STEP 4. M.U.T.-III data list
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Check the following data list (Refer to ).
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- Item 08: Lateral G sensor
- Item 12: Yaw rate sensor
- Item 73: Lateral G sensor offset
- Item 97: Yaw rate sensor offset
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Q.
Is the check result normal?
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Go to Step 5.
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Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ), and
then go to Step 6.
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STEP 5. Check whether the diagnosis code is reset.
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(1)Erase the diagnosis code.
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(2)Turn the steering wheel to either right or left at 20 km/h or more.
| note |
The ASC warning/operation lamp and the ASC OFF lamp may remain on until the vehicle
speed reaches approx. 10 km/h, then the steering wheel is turned to either right or
left.
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Q.
Is the diagnosis code No.2204 set?
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Replace the hydraulic unit (integrated with ASC-ECU) (Refer to ), and
then go to Step 6.
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How
to Cope with Intermittent Malfunctions ).
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STEP 6. Check whether the diagnosis code is reset.
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(1)Erase the diagnosis code.
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(2)Turn the steering wheel to either right or left at 20 km/h or more.
| note |
The ASC warning/operation lamp and the ASC OFF lamp may remain on until the vehicle
speed reaches approx. 10 km/h, then the steering wheel is turned to either right or
left.
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Q.
Is the diagnosis code No.2204 set?
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Return to Step 1.
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This diagnosis is complete.
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