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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, go to Step 3.
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- Confirm whether the diagnosis code is set in the FCM-ECU.
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Q.
Is diagnosis code set?
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Perform troubleshooting of the FCM-LS (Refer to GROUP 54A - FCM-LS, Troubleshooting,
Diagnosis Code Chart ).
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Check if Diagnosis code(s) other than No. P1570 is set in the engine-ECU
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- Erase the set diagnosis code.
- Ignition switch: "LOCK" (OFF) →
"ON"
- Confirm whether the diagnosis code is set.
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Q.
Is diagnosis code set?
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Inspection chart for diagnosis code. (Refer to ).
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Confirm again whether the diagnosis code is set in the engine-ECU.
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- Erase the set diagnosis code.
- Ignition switch: "LOCK" (OFF) →
"ON"
- Confirm whether the diagnosis code is set.
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Q.
Is diagnosis code set?
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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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