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- Fuel pump relay continuity check (Refer to
).
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Q.
Is the check result normal?
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Replace the fuel pump relay.
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal FP/R and earth.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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![](../../../buttons/03btn001.png)
Repair or replace the connector(s), or check and repair the harness of open circuit in coil power supply line between J/B connector terminal IG1 line and fuel pump relay connector terminal.
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Repair the connector(s) or wiring harness.
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal switch side power supply line and earth.
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Q.
Is the check result normal?
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Repair or replace the connector(s), or check and repair the harness of short to earth, and open circuit in power supply line between engine control relay connector and fuel pump relay connector.
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- Fuel tank pump operation check (Refer to
).
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Q.
Is the check result normal?
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Replace the fuel tank pump and gauge assembly.
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- Disconnect connector, and measure at harness side.
- Resistance between terminal earth line and 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(s), or check and repair the harness of open circuit and damage in earth line between fuel pump connector and body earth.
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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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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