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Check the fuel filter pressure switch itself (Refer to GROUP 13D -
Fuel Filter -
Fuel
Filter Inspection ).
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Q.
Is the check result normal?
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|
Repair or replace the connector, or replace the fuel filter body.
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|
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal engine-ECU FFPS line and body earth.
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|
Q.
Is the check result normal?
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|
- Check output line for open/short circuit.
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|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
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|
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|
- Reconfirmation of diagnosis code
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|
Q.
Is the diagnosis code set?
|
|
Intermittent malfunction (Refer to GROUP 00 -
How to Use Troubleshooting/Inspection
Service Points -
How to Cope with Intermittent Malfunctions ).
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|
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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?
|
|
- Check output line for damage.
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|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
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