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- Battery current sensor connector check.
- Check battery current sensor itself (Refer to GROUP 54A - Battery - On-vehicle
Service - Battery Current Sensor Check
).
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Q.
Is the check result normal?
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Repair or replace the connector, or replace the battery current sensor.
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- Disconnect connector and measure at harness side.
- Ignition switch: "ON"
- Voltage between terminal engine-ECU ECB5 line and body earth.
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Q.
Is the check result normal?
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- Check power supply line for open/short circuit.
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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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- Disconnect connector and measure at harness side.
- Resistance between terminal engine-ECU AFSE&ECBE line and body earth.
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OK: Continuity (2 Ω or less)
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Q.
Is the check result normal?
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- Check earthing line for open 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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- 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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- Reconfirmation of diagnosis code.
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Q.
Is the diagnosis code set?
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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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