Diagnostic Strategy: Diagnostics
WARNING: This page is about a different car, the 2012 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- Carry out OBD test procedures, KOEO and KOER self-tests.
- Record all DTCs.
- Repair all non-transmission codes first.
- Repair all transmission codes second.
- Clear all continuous codes and attempt to repeat them.
- Repair all continuous codes.
- If only pass codes are obtained, refer to DIAGNOSIS BY SYMPTOM for further information and diagnosis.
Follow the diagnostic sequence to diagnose and repair the concern the first time.