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- Refer to Data List Reference Table .
- Item 63: Rail pressure sensor
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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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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal engine-ECU FPS5 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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|
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- Refer to Data List Reference Table .
- Item 63: Rail pressure sensor
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|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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|
|
|
- Disconnect connector, and measure at harness side.
- Resistance between terminal engine-ECU FPSE 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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|
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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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|
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- Check output 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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|
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- Disconnect connector, and measure at sensor side.
- With the special tool test harness (MB991658) bridge only the mating terminals of
engine-ECU FPS5 line and engine-ECU FPSE line of the disconnected connector.
- Ignition switch: ON
- Voltage between terminal engine-ECU FPS line and body earth.
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Q.
Is the check result normal?
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Replace the rail pressure sensor.
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|
|
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- Refer to Data List Reference Table .
- Item 63: Rail pressure sensor
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|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection
Service Points - How to Cope with Intermittent Malfunctions ).
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