Title: Retrieve and record on-board diagnostics, DTCs, monitor status, and freeze-frame data; clear codes and data when directed.
Course: Automotive Technology I (MLR 3-Year Program) (20104-IA) > Section: Inspect and replace wheel studs/wheel fasteners. ELECTRICAL/ELECTRONIC SYSTEMS: General

Retrieval and recording should include using the scan tool and capturing the results.

Process/Skill Questions:

- How does freeze frame data assist in the diagnosis of vehicle malfunction indicator light (MIL) issues?
- What is the difference between hard- and soft-set codes?
- Where is the OBD connector located?
- What are the code types?
- What is a reason for not wanting to clear codes when one is found?
- What are the meanings of current, history, and pending codes?
- Why is using freeze-frame data important during a diagnosis?