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- Refer to Data List Reference Table .
- Item 6: Manifold absolute 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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|
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- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal engine-ECU MAP5 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 MAP5 and body earth.
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Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair harness between manifold absolute pressure sensor connector terminal and engine-ECU connector
terminal MAP5.
- Check power supply line for open circuit and damage.
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|
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- Check power supply line for short circuit.
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Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Refer to Data List Reference Table .
- Item 6: Manifold absolute 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 ).
|
|
|
|
- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Resistance between terminal engine-ECU MAPE 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 earthing line for damage.
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|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- Use special tool test harness (MB991709) to connect connector, and measure
at pick-up harness.
- Ignition switch: ON
- Voltage between terminal engine-ECU MAP line and body earth.
|
|
Q.
Is the check result normal?
|
|
- Check output line for short circuit.
|
|
Q.
Is the check result normal?
|
|
Replace the manifold absolute pressure sensor.
|
|
|
|
Repair or replace the connector, or repair the damaged harness wire.
|
|
|
|
- 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 MAP and body earth.
|
|
Q.
Is the check result normal?
|
|
Repair or replace the connector, or check
and repair harness between manifold absolute pressure sensor connector terminal and engine-ECU connector
terminal MAP.
- Check output line for open circuit and damage.
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