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Check that the windshield intermittent wiper interval can be adjusted by operating the
windshield intermittent wiper volume control.
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Q.
Is the check result normal?
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Refer to Inspection Procedure 4 " The intermittent wiper interval cannot be adjusted
by operating the windshield intermittent wiper volume control ."
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Check that the vehicle speed-dependent wiper function is set to "Operation" using the
customisation function of M.U.T-III.
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Q.
Is the check result normal?
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Using the customisation function of M.U.T-III, set the speed-dependent wiper function
to "Operation."
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Use the M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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Repair the CAN bus line (Refer to GROUP 54C, Troubleshooting ).
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Check if the diagnosis code is set in either of the engine-ECU.
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Q.
Is the diagnosis code set?
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Diagnose the engine-ECU (Refer to GROUP 13A, Troubleshooting ).
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When the ignition switch is turned to the "LOCK" (OFF) position, check that the ETACS-ECU
does not set the diagnosis code.
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Q.
Is the diagnosis code set?
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Refer to GROUP 54A, Diagnosis Code Chart .
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Check that the intermittent wiper interval depends on the vehicle speed.
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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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