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.
- Start the engine and allow it to idle.
- 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 THE SUPERCHARGER BELT AND TENSIONING COMPONENTS
- Turn the ignition off.
- Check the supercharger belt and tensioning components for proper operation.
- Verify that the supercharger belt surfaces are in good condition.
Were any issues found with Supercharge belt?
Yes
- Repair the found issues in accordance with the service information or properly connect and lock the COMPONENT harness connector.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- CHECK FOR RESTRICTION IN THE INTAKE AIR PLUMBING OR AIR FILTER
- Visually inspect the intake air plumbing for damage or debris that could restrict air flow.
- 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 4
- CHECK THE SUPERCHARGER BYPASS VALVE FOR BINDING/STICKING/INTERMITTENT CONNECTION
- Turn the ignition off.
- Check the Supercharger Bypass Valve for a physical or mechanical obstruction.
- 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 5
- CHECK THE THROTTLE BODY FOR BINDING/STICKING/INTERMITTENT CONNECTION
- Check the Throttle Body for a physical or mechanical obstruction.
- 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 6
- CHECK THE SUPERCHARGER INLET PRESSURE SENSOR
- Turn the ignition on.
- With the scan tool, view the Supercharger Inlet Pressure Sensor reading.
- 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. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the Supercharger Inlet Pressure Sensor in accordance with the Service Information. Refer to SENSOR, TMAP-INTAKE MANIFOLD, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .