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- Use M.U.T.-III to perform CAN busline diagnosis.
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Q.
Is the check result normal?
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Repair CAN busline (Refer to GROUP 54C - Troubleshooting - CAN
Bus Diagnostics Table ). After repairing CAN busline, go to
Step 3 .
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- Reconfirmation of diagnosis code.
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Confirm again the diagnosis code is outputted from the engine-ECU.
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- Erase the output diagnosis code.
- Ignition switch: LOCK (OFF) → ON
- Confirm whether the diagnosis code is output.
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Q.
Is diagnosis code set?
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After replacing the engine-ECU, 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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Confirm again the diagnosis code is outputted from the engine-ECU.
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- Erase the output diagnosis code.
- Ignition switch: LOCK (OFF) → ON
- Confirm whether the diagnosis code is output.
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Q.
Is diagnosis code set?
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