Diagnostic Test

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

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose and repair any 5-Volt Reference High or Low DTCs before continuing with this test procedure.
1. Start the engine and allow it to idle.
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 DTC diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK FOR RESTRICTION IN THE INTAKE AIR PLUMBING OR AIR FILTER
1. Visually inspect the intake air plumbing for damage or debris that could restrict air flow.
2. Visually inspect the Air Filter for excessive debris that could restrict air flow.
  Were any issues found with the intake air system or Air Filter?
  
  Yes
  - Perform the appropriate repair in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
CHECK THE SUPERCHARGER BYPASS VALVE FOR BINDING/STICKING/INTERMITTENT CONNECTION
1. Turn the ignition off.
2. Check the Supercharger Bypass Valve for a physical or mechanical obstruction.
3. Disconnect the Supercharger Bypass Valve harness connector and check the terminals for loose fit, corrosion, or pushed out terminals causing an intermittent connection.
  Were any problems found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 4
CHECK THE THROTTLE BODY FOR BINDING/STICKING/INTERMITTENT CONNECTION
1. Check the Throttle Body for a physical or mechanical obstruction.
2. Disconnect the Throttle Body harness connector and check the terminals for loose fit, corrosion, or pushed out terminals causing an intermittent connection.
  Were any problems found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 5
CHECK THE SUPERCHARGER INLET PRESSURE SENSOR
1. Turn the ignition on.
2. With the scan tool, view the Supercharger Inlet Pressure Sensor reading.
3. With the scan tool, view the other three MAP/Pressure Sensor readings.
  Is the Supercharger Inlet Pressure Sensor reading within 5.0 kPa (0.725 psi) of the other three MAP/Pressure Sensors?
  
  Yes
  - Replace the Powertrain Control Module in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Supercharger Inlet Pressure Sensor in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .