Make sure the vehicle's ignition key is in the ON position with the engine being off before the operation. 3.3 Read I/M Readiness This function checks whether or not the various emissions-related systems on the vehicle are operating properly, and are ready for Inspection and Maintenance testing. It can also be used to check the Monitor Run Status and to confirm if the repair of a car fault has been performed correctly. 3.4 Read Live Data This function retrieves and displays live data and parameters from the vehicle's ECU. 3.5 Read Freeze Frame This function takes a snapshot of the operating conditions when an emission-related fault occurs. 3.6 Test Results:
O2 Sensor Monitor This function retrieves O2 sensor monitor test results of the most recently completed tests from the vehicle's on-board computer. 3.7 Test Results: On-Board Monitoring Test This function retrieves test results for emission-related powertrain components and systems that are not continuously monitored.The test's availability is determined by the vehicle manufacturer. 3.8 Control Operation of On-Board Component/System This function initiates a leak test for the vehicle’s EVAP system. Refer to the vehicle’s service repair manual to determine the procedures necessary to stop the test.
3.9 Read Vehicle Information This function retrieves a list of information (provided by the vehicle manufacturer) from the vehicle's on-board computer. This information may include: • VIN(Vehicle ldentification Number). • CID(Calibration ID). 20