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- Refer to Data List Reference Table
.
- Item 120: Exhaust differential 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 DDP5 line and body earth.
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Q.
Is the check result normal?
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- Disconnect engine-ECU harness, and connect special tool power plant ECU check
harness (MB992291) to measure at connector for inspection.
- Ignition switch: ON
- Voltage between terminal DDP5 and body earth.
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|
Q.
Is the check result normal?
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- Check power supply line for 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.
|
|
|
|
- Refer to Data List Reference Table
.
- Item 120: Exhaust differential pressure sensor
|
|
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 ).
|
|
|
|
- Check output line for open/short circuit and 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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|
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- After replacing the exhaust differential pressure sensor, carry out the forcible
DPF regeneration. [Refer to GROUP 17 - Emission Control <DIESEL> - Diesel
Particulate Filter (DPF) System - Forcible DPF Regeneration
<4N1>].
After carrying out the forcible DPF regeneration, reconfirm diagnosis code.
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Q.
Is the diagnosis code set?
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