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Current trouble
- If the signal from one of two lid position detection sensors cannot be detected,
ETACS-ECU sets the diagnosis code No. L0634.
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Past trouble
- If diagnosis code No. L0634 is set as past trouble, carry out diagnosis with particular
emphasis on wiring and connector(s) in the CAN bus line. For diagnosis procedures, refer to
How to treat past trouble (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection Service
Points ).
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For a past trouble, you cannot find it by the M.U.T.-III CAN bus diagnostics even if there
is any failure in CAN bus lines. In this case, refer to GROUP 00, How to Use Troubleshooting/Inspection
Service Points and check the CAN bus lines. You can narrow
down the possible cause of the trouble by referring to the diagnosis code, which is set regarding
the CAN communication-linked ECUs (Refer to GROUP 54C -
CAN Bus Line Diagnostic Flow ).
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- Malfunction of the sunroof motor assembly
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Recheck if the diagnosis code is set.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
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Replace the sunroof motor assembly.
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The diagnosis is complete.
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