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ASC-ECU controls ASC by calculating the data sent from the wheel speed sensor, the steering
wheel sensor, and the G and yaw rate sensor.
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This diagnosis code is set when ASC operates for a prolonged period.
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- Malfunction of wheel speed sensor
- Steering wheel sensor malfunction
- G and yaw rate sensor malfunction
- Improper installation of wheel speed sensor, steering wheel sensor, or G and yaw
rate sensor
- ASC-ECU malfunction
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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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Repair the CAN bus lines (Refer to GROUP 54C - Troubleshooting ).
On completion, go to Step 2.
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Q.
Is the diagnosis code No. C123B set?
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This diagnosis is complete.
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Check that the diagnosis codes No.C100A, C1015, C1020, C102B, C1011, C101C, C1027, C1032,
C1014, C101F, C102A, C1035, C1041, C1042, C1043, C1044, C1219, C2205, C123C, and C2204 are also
set.
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Q.
Are the diagnosis codes No. C100A, C1015, C1020, C102B, C1011, C101C, C1027, C1032,
C1014, C101F, C102A, C1035, C1041, C1042, C1043, C1044, C1219, C2205, C123C, and C2204 also
set?
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Carry out the diagnosis for the relevant diagnosis codes, and then go to Step
4.
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Q.
Is the diagnosis code No. 123B set?
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Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent
Malfunction ).
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