Common OBD II Terms: Diagnostic
WARNING: This page is about a different car, the 2006 Suzuki Reno and 2006 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.
When used as a noun, the word diagnostic refers to any on-board test run by the vehicle's Diagnostic Management System. A diagnostic is simply a test run on a system or component to determine if the system or component is operating according to specification. There are many diagnostics, shown in the following list:
- Misfire
- Heated Oxygen Sensor 1 (HO2S1)
- Heated Oxygen Sensor 2 (HO2S2)
- Exhaust Gas Recirculation (EGR)
- Catalyst monitoring