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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 ).
After repairing the CAN bus line, go to Step 2.
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Q.
Is diagnosis code No.C1242 set?
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This diagnosis is complete.
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Check if the wheel speed sensor-related diagnosis code is set.
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Q.
Is the diagnosis code set?
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Perform the relevant troubleshooting.
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Check that the hydraulic unit (integrated with G and yaw rate sensor) is installed correctly
(Refer to GROUP 35B - Hydraulic unit (integrated with G and yaw rate sensor) <Vehicles with
ABS>GROUP 35C - Hydraulic unit (integrated with G and yaw rate sensor) <Vehicles
with ASC>).
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Q.
Is the check result normal?
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Reinstall the hydraulic unit (integrated with G and yaw rate sensor) correctly.
Then go to Step 5.
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Check the following data list (Refer to).
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- Item No.24: Longitudinal G sensor
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Q.
Is the check result normal?
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Replace the hydraulic unit (integrated with G and yaw rate sensor) (Refer to GROUP
35B - Hydraulic unit (integrated with G and yaw rate sensor) <Vehicles
with ABS> or GROUP 35C - Hydraulic unit (integrated with G and yaw rate sensor) <Vehicles
with ASC>). Then go to Step 7.
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Q.
Is diagnosis code No.C1242 set?
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Replace the 4WD-ECU (Refer to ). Then go to Step
7.
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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.C1242 set?
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This diagnosis is complete.
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