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- Check battery (Refer to GROUP 54A - Battery - On-vehicle Service - Battery test
).
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Q.
Is the check result normal?
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- Disconnect connector, and measure at harness side.
- Voltage between terminal BACK 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 engine-ECU connector terminal BACK and battery.
- 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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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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