Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose and repair any Engine Oil Temperature Sensor, Engine Oil Pressure Sensor or Camshaft Position Solenoid DTCs before continuing with this test.
1. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
2. With the scan tool, read DTCs and record on the repair order.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
ENGINE OIL/ENGINE MECHANICAL
1. Turn the ignition off.
2. The following items should be checked before continuing with this procedure. Failure to do so may lead to misdiagnosis.
  - LOW ENGINE OIL LEVEL
  - AERATED ENGINE OIL
  - INCORRECT ENGINE OIL FILTER (DOES NOT MEET OEM SPECIFICATIONS)
  - DETERIORATED OR DIRTY OIL
  - CONTAMINATED ENGINE OIL
  - INCORRECT ENGINE OIL VISCOSITY
  Were any of the above conditions present?
  
  Yes
  - Repair the engine oiling or mechanical condition (i.e. improper oil drain back, oil sludge, damaged oil pump, pick-up tube or seal, etc.).
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
CHECK THE ENGINE OIL PRESSURE AND ENGINE MECHANICAL CONDITION
1. Install the applicable adaptor to the oil filter cap and install an oil pressure gauge to the adaptor.
2. Start the engine and allow it to idle.
3. Monitor the engine oil pressure reading on the gauge.
  NOTE:
  If the oil pressure is below 14 psi or oscillating excessively, it can cause a delay in Cam Phaser movement sufficient enough to set a slow response DTC.
  
  Is the oil pressure reading stable and above 14.0 psi?
  
  Yes
  - Go To 4
  No
  - Repair the engine oiling or mechanical condition (i.e. improper oil drain back, oil sludge, damaged oil pump, pick-up tube or seal, etc.).
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CHECK THE ENGINE OIL PRESSURE SENSOR RATIONALITY
1. With the scan tool, monitor the EOP Sensor reading.
  Does the EOP Sensor reading on the scan tool match the actual oil pressure reading?
  
  Yes
  - Go To 5
  No
  - Replace the Engine Oil Pressure Sensor in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CHECK RELATED PCM AND COMPONENT CONNECTIONS
1. Perform any Service Bulletins that apply.
2. Disconnect all PCM harness connectors.
3. Disconnect all related in-line harness connections (if equipped).
4. Disconnect the related component harness connectors.
5. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
  - Proper connector installation.
  - Damaged connector locks.
  - Corrosion.
  - Other signs of water intrusion.
  - Weather seal damage (if equipped).
  - Bent terminals.
  - Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
  - Terminals that have been pushed back into the connector cavity.
  - Check for spread terminals and verify proper terminal tension.
  Repair any conditions that are found.
6. Reconnect all PCM harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
7. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
8. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
9. With the scan tool, erase DTCs.
10. Test drive or operate the vehicle in accordance with the when monitored and set conditions.
11. With the scan tool, read DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Powertrain Control Module in accordance with the Service information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL AND INSTALLATION .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  - Test complete.