The ____________ _________ monitor is a diagnostic test that is designed to check all input and output circuits for the ECM.

Comprehensive Component Monitor

A system in vehicular onboard diagnostics that checks the operational status of various components and subsystems to ensure they are working correctly and meet emissions standards.

Diagnostic Test

A systematic examination to determine the cause of a malfunction or disease in vehicles, computers, or biological entities.

ECM

Electronic Control Module, a term often used in automotive engineering referring to a computer that controls one or more electrical systems or subsystems in a vehicle.