The ________ Data That the ECM (Engine Control Module) Stores

question 41

Multiple Choice

The ________ data that the ECM (engine control module) stores will provide a snapshot of the engine operating conditions at the moment when the DTC (diagnostic trouble code) was confirmed by the OBD system.

• A)freeze-frame"
• B)control frame"
• C)service information
• D)service record"

---

Definitions:

Sodium Methoxide

A chemical compound used as a strong base in organic synthesis, often for the deprotonation of weak acids.

Chloropyridine

Refers to pyridine molecules substituted with one or more chlorine atoms, used as intermediates in the synthesis of pesticides and drugs.

Pyridine

An aromatic heterocyclic compound with the formula C5H5N, featuring a ring structure similar to benzene but with one CH group replaced by a nitrogen atom.

Nitric Acid

A highly corrosive mineral acid (HNO3) widely used in the manufacture of fertilizers and explosives, and in various organic synthesis processes.