Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read Powertrain Control Module (PCM) DTCs and Freeze Frame Data and record on the repair order.
- Using the recorded Freeze Frame Data and the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read PCM DTCs.
Is the DTC active or pending?
Yes
- Go To
No
- Perform the INTERMITTENT DTC diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK FOR OTHER DTCS
- Refer to the recorded DTCs.
Are there any Wastegate Solenoid or Wastegate Position Sensor circuit DTCs active or pending?
Yes
- Perform the applicable diagnostic procedure(s). Refer to DTC INDEX .
No
- Go To
- Refer to the recorded DTCs.
- CHECK THE AIR INTAKE SYSTEM FOR DAMAGE OR RESTRICTIONS
- Turn the engine off.
- Visually inspect for leaks or damage in the intake air supply plumbing.
- Check the air filter for contamination or restrictions.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 4
- WASTEGATE AND ACTUATOR INSPECTION
- Inspect the Wastegate Actuator, linkage and the Wastegate for proper operation.
Were any problems found?
Yes
- Repair as necessary.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Replace the Turbocharger in accordance with the Service Information. Refer to TURBOCHARGER, REMOVAL AND INSTALLATION .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Inspect the Wastegate Actuator, linkage and the Wastegate for proper operation.