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S-AWC related signals are sent or received to and from between AWC-ECU and engine-ECU
via CAN bus lines.
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This diagnosis code is set when the S-AWC malfunction has been detected.
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- S-AWC system malfunction
- Engine-ECU malfunction
- ASC-ECU malfunction
- External noise interference
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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 - CAN Bus Diagnostics Table ).
On completion, go to Step 4.
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The procedure is complete.
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Use M.U.T.-III to check that other diagnosis code is set in the ECU corresponding to the
relevant diagnosis.
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Q.
Is other diagnosis code set?
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Troubleshoot for the relevant diagnosis code.
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Erase the diagnosis code.
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Replace the hydraulic unit (integrated with ASC-ECU), and then go to Step 5.
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/How
to Cope with Intermittent Malfunctions).
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Erase the diagnosis code.
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This diagnosis is complete.
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