2. Indicator Status: The 3-color (green. yellow, red) LED indicator shows the OBD-II diagnostic and battery test results. The Definition of 3-Color Indicator ● Green LED: Indicates that all on-board systems are "OK" operating normally. There is no DTC stored in the ECU. The battery is in a good condition and no need to charge or replace it. ● Yellow LED: Indicates that the pending code(s) are present. The battery is in a normal condition, might need to be charged and tested again later. ● Red LED: Indicates that the permanent code(s) are present. The battery is in a bad condition and needs to be replaced. 3. Help Shortcut Button:
When pressed, it leads you directly to the Help menu, which includes the basic info of OBD- II, Datastream, I/M Readiness, and instructions for printing the report. 4. I/M Readiness Shortcut Button: When pressed, the scan tool automatically communicates with the emission- related system and monitor associated components such as the fuel system, oxygen sensor, catalyst converter, misfire monitor, etc. 5. Exit Button: When pressed, it brings you back to the 6. Arrow Keys & OK Button. previous menu. 7. DB15 Male Connector: The connector is used to connect the OBD-II diagnostic cable. (See Figure 2.1.2) Figure 2.1.2