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DTC P0522: Oil Pressure Sensor Low: Testing

NOTE: Ensure the engine oil pressure is at the correct pressure before continuing.
  1. Ignition on, engine not running. With the DRBIII® scan tool, read the oil pressure sensor voltage. Is the voltage below 0.1 volt? If yes, go to next step. If no, see INTERMITTENT CONDITION  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn the ignition off. Disconnect the oil pressure sensor harness connector. Ignition on, engine not running. With the DRBIII® scan tool, read oil pressure sensor voltage. Does the oil pressure sensor voltage read approximately 5.0 volts? If yes, replace the oil pressure sensor. If no, go to next step.
  3. Turn the ignition off. Disconnect the oil pressure sensor harness connector. Disconnect the PCM harness connectors. Measure the resistance between ground and the (G6) oil press signal circuit in the oil pressure sensor harness connector. Is the resistance below 100 ohms? If yes, repair the ground shorted to the (G6) oil press signal circuit. If yes, replace and program the PCM. See PROGRAMMING .
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