Diagnostic Test

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

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose and repair any Supercharger Bypass Valve DTCs before continuing.
1. Turn the ignition on.
  NOTE:
  The PCM tests the Supercharger Bypass Valve by opening and closing the Supercharger Bypass Valve plate before starting the engine.
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 .
SUPERCHARGER BYPASS VALVE INSPECTION
1. Turn the ignition off.
2. Remove the Throttle Body and use a bore scope camera or small mirror to view the Supercharger Bypass Valve.
3. Inspect for any signs of coking or a foreign material (ice or dirt) on the Supercharger Bypass Valve plate or in the bore causing the Supercharger Bypass Valve plate to stick prevent operation. Inspect for damage or scoring to Supercharger. Turn the ignition on and use the scan tool to actuate the Supercharger Bypass Valve and check for any sticking.
  Were any signs of foreign material or scoring of the Supercharger or Supercharger Bypass Valve plate or bore found?
  
  Yes
  - Inspect Supercharger for debris or internal damage. Repair as necessary. Clean the throttle blade and bore if possible or replace the Supercharger Bypass Valve in accordance with the Service Information if necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Go To 3
CHECK THE SUPERCHARGER BYPASS VALVE
1. Disconnect the Supercharger Bypass Valve harness connector.
2. Check the connector for any corroded, pushed out, spread or damaged terminals.
  Were any problems found?
  
  Yes
  - Perform the appropriate repair.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Supercharger Bypass Valve Assembly in accordance with the Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .