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Q.
Is the check result normal?
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Repair or replace the connector.
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- Disconnect engine-ECU connector, and connect special tool power plant ECU
check harness (MB992044) to measure at connector for inspection.
- Voltage between terminal No. 140 and earth.
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OK:
0 - 1 V (Idling after warming up) System voltage (Ignition switch: ON)
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Q.
Is the check result normal?
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Check combination meter (Refer to GROUP 54A - Combination Meter - Check
Chart for Trouble Symptoms ).
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- Check output line for open/short circuit and damage.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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- Oil pressure check (Refer to GROUP 12 - On-vehicle Service - Oil
Pressure Check ).
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Q.
Is the check result normal?
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- Check the engine oil pressure switch (Refer to GROUP 12 - On-vehicle
Service - Engine Oil Pressure Switch ).
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Q.
Is the check result normal?
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Replace the engine oil pressure switch.
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Q.
Does trouble symptom persist?
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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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