Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR ACTIVE DTC
1. Turn the ignition on.
2. Using the scan tool, record any environmental data and record all DTCs on the repair order.
3. Using the scan tool, erase PCM DTCs.
4. Perform several ignition cycles, turning the ignition off for at least 10 seconds between each ignition cycle.
5. Using the scan tool, actuate the Intake Swirl Valve.
6. Monitor the scan tool for PCM DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT DTC .
CHECK FOR OTHER DTCS
1. Refer to the recorded DTCs.
  Are there any 5-Volt Supply, Intake Swirl Valve Actuator, or other Position Sensor 2 DTCs active or pending?
  
  Yes
  - Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
  No
  - Go To 3
CHECK THE INTAKE SWIRL VALVE FOR PROPER OPERATION
1. Replace the Intake Swirl Valve Position Sensor 2 in accordance with the service information.
2. Turn the ignition on.
3. Erase the DTC(s).
4. Start the engine and allow it to idle for up to two minutes.
5. Stop the engine. Leave the ignition on.
6. Using the scan tool, actuate the Intake Swirl Valve.
7. Using the scan tool, view active DTCs.
  Did the DTC return?
  
  Yes
  
  NOTE:
  Before replacing the Intake Manifold, check for excessive buildup or coking in the Intake Manifold that may be causing the Intake Swirl Valve to stick or bind. Also inspect the jumper harness and connectors for damage. If any damage is found, replace the jumper harness.
  - Replace the Intake Manifold in accordance with the service information.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .
  No
  - Test complete.
  - Perform the PCM VERIFICATION TEST. Refer to PCM VERIFICATION TEST .