Important: In order to avoid misdiagnosis, check for proper engine oil pressure before performing this diagnosis. Refer to Oil Pressure Diagnosis and Testing .

1. Disconnect the engine oil pressure sensor.
2. Connect a 10A fuse jumper between the oil pressure sensor connector terminal A and ground.
3. Turn the ignition switch to the RUN position.

Does the engine oil pressure gage read low pressure?

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Go to Step 2

Go to Step 3

1. Check for a poor connection at the engine oil pressure sensor.
2. If the connections are OK, replace the engine oil pressure sensor.

Is the repair complete?

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System OK

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1. Test for an open or poor connection in circuit 31.
2. If circuit 31 is OK, replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

System OK

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Important: In order to avoid misdiagnosis, check for proper engine oil pressure before performing this diagnosis. Refer to Oil Pressure Diagnosis and Testing .

1. Disconnect the engine oil pressure sensor.
2. Connect a 10A fuse jumper between the oil pressure sensor connector terminal A and ground.
3. Turn the ignition switch to the RUN position.

Does the engine oil pressure gage read low pressure?

--

Go to Step 2

Go to Step 5

1. Connect a 10A fused jumper between the oil pressure sensor connector terminal A and terminal B.
2. Turn the ignition switch to the RUN position.

Does the oil pressure gage read low pressure?

--

Go to Step 3

Go to Step 4

1. Check for a poor connection at the engine oil pressure sensor.
2. If the connections are OK, replace the engine oil pressure sensor.

Is the repair complete?

--

System OK

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Repair the open in circuit 451 between the oil pressure sensor and S110.

Is the repair complete?

--

System OK

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1. Test for an open or poor connection in circuit 31.
2. If circuit 31 is OK, replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

System OK

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