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- ETACS-ECU connector 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 and gauge assembly 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 earthing 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 and gauge assembly connector terminal 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 ETACS-ECU F/P 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 check
and repair harness between engine-ECU connector terminal FP/R and ETACS-ECU connector terminal
FP/R.
- Check power supply line for damage.
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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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- Ignition switch: ON
- Check for pump operating noise near fuel tank
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OK: Operating sound of fuel pump can be heard
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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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