TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Turn the ignition on.
Measure the voltage of the Oil Pressure Sensor signal circuit at the Oil Pressure
Sensor harness connector.
Is the voltage above 11.0 volts?
All
Yes → Go To 4
No → Go To 5
4 Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Disconnect the PCM harness connector.
Measure the voltage of the Oil Pressure Sensor signal circuit at the Oil Pressure
Sensor harness connector.
Is there any voltage present?
All
Yes → Repair the (G6) Oil Pressure Sensor signal circuit for a short to
voltage.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
No → Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
5 Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (G6) Oil Pressure Sensor signal circuit from the Oil
Pressure Sensor harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 100 ohms?
All
Yes → Repair the open (G6) Oil Pressure Sensor signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
No → Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER-5-NGC.
204
DRIVEABILITY - NGC
P0522-OIL PRESSURE SENSOR LOW — Continued
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