4. Select a function to continue. Note: Depending on the vehicle make, some functions may not be available. Typical function options may include: DTC&FFD, I/M readiness, Live data, On-Board monitor, Component test, Vehicle information and Vehicle status. DTC & FFD (Freeze Frame Data) This function helps read DTCs and clear DTCs stored in the vehicle's ECU and displays FFD of the emission-related systems. 1. Read DTCs This function displays the DTCs retrieved from the emission- related systems. 2. Clear DTCs This function allows you to clear the DTCs retrieved from the emission-related systems. 3.
FFD This function takes a snapshot of the data and operating conditions when an emission-related fault occurs. Note: 1. The procedure of clearing DTCs should be performed after the required repair has been carried out. Once confirmed, DTCs and FFD stored in the ECU will be cleared. 2. DO NOT START UP THE ENGINE WHILE CLEARING DTCS. I/M (Inspection and Maintenance) Readiness This function checks whether or not the various emission-related systems on the vehicle are operating properly, and are ready for I/M testing. It can also be used to check the monitor running status and to confirm if the repair of a car fault has been performed correctly.
Live Data This function displays the real-time live data and parameters from the vehicle’s ECU. O2 Sensor Monitor This function displays O2 sensor monitor test results of the most recently completed tests from the vehicle’s ECU. On-Board Monitor This function displays the test results for emission-related powertrain 27