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- ETACS-ECU connectors check.
- Perform continuity test in fuel pump relay (Refer to ).
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Q.
Is the check result normal?
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Repair or replace the connector, or replace the ETACS-ECU.
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal FP/R and body earth.
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Q.
Is the check result normal?
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Repair or replace the connector, or check and repair harness between engine-ECU connector terminal FP/R and ETACS-ECU connector terminal FP/R.
- Check power supply line for open/short circuit.
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal F/PB and body earth.
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Q.
Is the check result normal?
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Repair or replace the connector, or check and repair harness between engine control relay connector terminal and ETACS-ECU connector terminal F/PB.
- Check power supply line for open/short circuit.
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- Fuel pump connector check.
- Check fuel pump operations (Refer to ).
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Q.
Is the check result normal?
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Repair or replace the connector, or replace the fuel pump and gauge assembly.
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- Disconnect connector, and measure at harness side.
- Resistance between terminal earth 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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Repair or replace the connector, or check and repair harness between fuel pump connector terminal earth line and body earth.
- Check earthing line for open circuit and damage.
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal power supply line and body earth.
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Q.
Is the check result normal?
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Repair or replace the connector, or check and repair harness between ETACS-ECU connector terminal F/P and fuel pump connector terminal.
- 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 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 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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- Refer to Actuator Test Reference Table .
- Item 9: Fuel pump
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Q.
Is the check result normal?
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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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