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- Confirm whether the diagnosis codes are set in KOS-ECU.
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Q.
Is the diagnosis code set?
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Perform the troubleshooting of KOS-system (Refer to GROUP 42B - Troubleshooting <KOS-ECU> - Diagnosis
Code Chart <KOS-ECU>).
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- Reconfirmation of diagnosis code.
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Q.
Is the diagnosis code set?
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Replace the KOS-ECU. After the replacement, put the each identification code into
KOS-ECU (Refer to GROUP 42B - On-vehicle Service <KOS-ECU> - ID Codes
Registration Procedures). Then go to Step 3.
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions).
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- Reconfirmation of diagnosis code.
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Q.
Is the diagnosis code set?
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