Inspection and Verification
WARNING: This page is about a different variant/trim than selected.
NOTE:
This article provides mechanical diagnosis of the turbocharger assembly. If there is a Malfunction Indicator Lamp (MIL) illuminated, or Diagnostic Trouble Codes (DTCs) are present, these should be diagnosed prior to performing turbocharger mechanical diagnosis.
- 1.
For PCM Diagnostic Trouble Codes (DTCs), REFER to: Electronic Engine Controls . See MIL Code List. For driveability symptoms without Diagnostic Trouble Codes (DTCs), Refer to Engine Controls - Symptom Charts (Except Diesel & Hybrid) .
Visual Inspection Chart
| Mechanical | Electrical |
|---|---|
| Oil leak(s) Coolant leak(s) Wastegate actuator Wastegate actuator vacuum hose(s) Wastegate valve Turbocharger housing Air Cleaner (ACL) element Air Cleaner (ACL) outlet pipe Air Cleaner (ACL) intake pipe Turbocharger intake tube Charge Air Cooler (CAC) Charge Air Cooler (CAC) intake pipe Charge Air Cooler (CAC) outlet pipe Turbocharger oil supply tube Turbocharger oil return tube Turbocharger coolant supply tube Turbocharger coolant return tube |
Wiring harness(es) Electrical connector(s) Turbocharger control valve PCM |