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- Water level switch connector check.
- Check water level switch itself (Refer to GROUP 13D - Fuel Filter <4N1, 4D5> - Fuel Filter Inspection
).
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Q.
Is the check result normal?
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Repair or replace the connector, or replace the water level switch.
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal ETACS-ECU IG1 line and body earth.
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Q.
Is the check result normal?
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![](../../../buttons/03btn002.png)
Repair or replace the connector, or check and repair harness between water level switch connector terminal and ETACS-ECU connector terminal IG1.
- Check power supply line for open/short circuit.
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- Check power supply line for damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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- Check output line for open/short circuit and damage.
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Q.
Is the check result normal?
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Repair or replace the connector, or repair the damaged harness wire.
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Q.
Does the trouble symptom persist?
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Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
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