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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 can
not 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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![](../../../img/54/AC313423AB00ENG.png)
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Q.
Is the check result normal?
Go to Step
2.
Repair
the defective connector.
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![](../../../img/54/AC313423AB00ENG.png)
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(1)Disconnect the connector, and
measure at the column switch side.
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![](../../../img/54/AC312730AH00ENG.png)
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(2)Resistance between C-301 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".
Q.
Is the check result normal?
Go to Step
3.
Replace
the column switch.
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![](../../../img/54/AC313421AB00ENG.png)
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Q.
Is the check result normal?
Go to Step
4.
Repair
the defective connector.
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![](../../../img/54/AC313421AB00ENG.png)
![](../../../img/54/AC313423AB00ENG.png)
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- Check the input line for open circuit.
Q.
Is the check result normal?
Go to Step
5.
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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