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Check if an ETACS-related diagnosis code is set.
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Q.
Is the diagnosis code set?
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Diagnose the ETACS-ECU (Refer to GROUP 54A - ETACS, Diagnosis Code Chart ).
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By the ETACS customisation function, confirm that "Vehicle speed dependent wiper" has been enabled.
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Q.
Is the check result normal?
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By the ETACS customisation function, enable the "Vehicle speed dependent wiper." (Refer to )
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Check that the windshield wiper interval changes when the windshield wiper volume control is rotated.
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Q.
Is the check result normal?
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The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
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Replace the ETACS-ECU (Refer to GROUP 54A - ETACS, ETACS-ECU ).
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