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- Disconnect connector, and measure at the harness side.
- Ignition switch: ON
- Voltage between terminal engine-ECU OPSW line and earth.
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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- Data list reference table (Refer to
).
- Item 90: Engine oil pressure switch
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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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- Measure engine-ECU terminal voltage.
- Engine: Idling
- Voltage between terminal OPSW and earth.
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OK:
1 V or less (ignition switch: ON) System voltage (during idling)
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Replace the engine oil pressure switch.
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Repair the connector(s) or wiring harness.
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