Diagnostic Test
- CHECK FOR AN ACTIVE DTC NOTE:
Make sure that the engine oil is at the proper level and ensure that an OEM specified oil filter is being used. Also, review the customers oil change history to make sure that the oil is being changed at the correct intervals and that the proper oil viscosity is being used.
- Start the engine and allow it to reach normal operating temperature.WARNING:
When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury.
- With the scan tool, read the active DTCs.
Is the DTC active?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- Start the engine and allow it to reach normal operating temperature.
- ENGINE OIL/ENGINE MECHANICAL
- Turn the ignition off.
- The following items should be considered before determining the cause of this DTC:
- OIL FILTER MUST MEET OEM SPECIFICATIONS
- OIL FILTER O-RING FOR DAMAGED, MISSING, OR MIS-INSTALLED
- ENGINE MECHANICAL TOLERANCES OUT OF SPECIFICATION
- ENGINE OIL PRESSURE OUT OF SPECIFICATION
- LOW ENGINE OIL
- DETERIORATED OR DIRTY OIL
- ENGINE OIL CONTAMINATED (i.e., coolant and/or fuel)
NOTE:Failure to do so may lead to misdiagnosis.
- If any of the above conditions are found, repair as necessary
Were any of the above conditions present?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- DUAL STAGE OIL PUMP NOTE:
The 3.6L Oil pump is released as an assembly. The assembly includes both the pump and the solenoid. There are no serviceable sub assembly components. In the event the oil pump or solenoid are not functioning or out of specification they must be replaced as an assembly.
- Replace the Oil Pressure Sensor accordance with the Service Information.
- Turn the ignition on.
- With the scan tool, erase the DTCs.
- Start the engine and allow it to reach normal operating temperature.
- Drive the vehicle get the engine within the set conditions.
- With the scan tool, read the active DTCs.
Did the DTC return?
Yes
- Replace the oil pump in accordance with the Service Information. Refer to PICK-UP, OIL PUMP, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Repair complete.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .