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Use M.U.T.-III to perform the CAN bus diagnosis.
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Q.
Is the check result normal?
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Repair the CAN bus lines. (Refer to GROUP 54C - Troubleshooting ).
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Check the ASC diagnosis code (Refer to GROUP 35C - Troubleshooting ).
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Q.
Is the diagnosis code stored?
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Perform the relevant troubleshooting.
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Check if the diagnosis code No.C123C, C1242 is stored (Refer to ).
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Q.
Is the check result normal?
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Perform the relevant troubleshooting.
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Check the data list below (Refer to ).
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- Item No.22: Yaw rate sensor
- Item No.23: Lateral G sensor
- Item No.24: Longitudinal G sensor
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Q.
Is the check result normal?
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Replace the hydraulic unit (incorporating G&Yaw rate sensor) and then carry out the calibration of the G&yaw rate sensor to make ASC-ECU learn the neutral point.(Refer to GROUP 35C - On-vehicles service ). Then go to Step 6.
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Q.
Is diagnosis code No.U1428 stored?
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Replace the 4WD-ECU (Refer to ). Then go to Step 6.
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Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
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Q.
Is diagnosis code No.U1428 stored?
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This diagnosis is complete.
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