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The intermittent wiper interval is calculated
in accordance with the input signal from the windshield intermittent wiper
volume. If this signal is abnormal, the wiper interval cannot be
adjusted.
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- Malfunction of the column switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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Q.
Is the check result normal?
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YES <LHD> : Go to Step 2.
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YES <RHD> : Go to Step 3.
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NO : Repair the defective connector.
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- Check the continuity for wiper switch (Refer to ).
- Check the continuity for column switch (switch body part) (Refer to ).
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Q.
Is the check result normal?
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Replace the column switch.
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(1)Disconnect the connector, and measure at the column switch
side.
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(2)Resistance between D-311 column switch connector terminal
No.6 and body earth OK: The resistance should rise from 0 to 1
kΩ when the windshield intermittent wiper volume is rotated from
"Fast" to "Slow".
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Q.
Is the check result normal?
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Replace the column switch.
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Q.
Is the check result normal?
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Repair
the defective connector.
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- Check the input line for open circuit.
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Q.
Is the check result normal?
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Repair
the wiring harness.
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Check that the windshield intermittent wiper
volume is sending a correct signal.
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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 Cope with Intermittent Malfunction ).
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