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- Disconnect connector, and measure at harness side.
- Ignition switch: "ON"
- Voltage between terminal P/S line and body earth.
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Q.
Is the check result normal?
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- Measure engine-ECU terminal voltage.
- Ignition switch: "ON"
- Voltage between terminal P/S and body earth.
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Q.
Is the check result normal?
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Repair or replace the connector(s), or check and repair the harness of open circuit in P/S line between power steering fluid pressure switch connector and engine-ECU connector.
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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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- Refer to Data List Reference Table
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- Item 83: Power steering fluid 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 P/S and earth.
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OK:
System voltage (Steering wheel: Stationary) 1 V or less (Steering wheel: Turned)
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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 power steering fluid pressure switch.
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Repair the connector(s) or wiring harness.
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