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- Use M.U.T.-III to perform CAN bus line diagnosis.
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Q.
Is the check result normal?
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Repair CAN bus line (Refer to GROUP 54C - Troubleshooting - CAN Bus Diagnostics Table ). After repairing CAN bus line.
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- Confirm whether the diagnosis code is set in the ASTC-ECU.
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Q.
Is diagnosis code set?
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Perform troubleshooting of ASTC system (Refer to GROUP 35C - Troubleshooting - Diagnosis Code Chart ).
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- Ignition switch: "LOCK"(OFF) → "ON"
- Check again if the diagnosis code is set.
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Q.
Is diagnosis code No. P1799 set?
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Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
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