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AutoMaster Pro NT414 Manual_English_V1.00
Figure 5-19 Sample Freeze Data Screen
3. Press function key Save to store freeze frame information. Or use the BACK key to exit.
5.6 Read I/M Readiness Status Data
I/M Readiness option allows to view a snapshot of the operations for the emission system on
I/M Readiness is a useful function used to check if all monitors are OK or N/A. The vehicle’s
computer performs tests on the emission system during normal driving conditions. After a specific
amount of drive time (each monitor has specific driving conditions and time required), the
computer’s monitors decide if the vehicles emission system is working correctly.
When the monitor’s status is:
● OK - vehicle was driven enough to complete the monitor.
● INC (Incomplete) - vehicle was not driven enough to complete the monitor.
● N/A (Not Applicable) - vehicle does not support that monitor.
There are two types of I/M Readiness tests:
● Since DTCs Cleared - shows status of the monitors since the DTCs were last cleared.
● This Drive Cycle - shows status of monitors since the start of the current drive cycle.
Below is a list of abbreviations and names of OBD II monitors supported by the scanner.
Comprehensive Components Monitor
Evaporative System Monitor
Secondary Air System Monitor
Air Conditioning Refrigerant Monitor
Oxygen Sensor Heater Monitor
Exhaust Gas Recirculation System
Monitor
● To review I/M Readiness status, make sure that the ignition key is switched to ON with the
● Not all monitors are supported by all vehicles.
To retrieve I/M Readiness Status data:
1. Scroll with the arrow keys to highlight I/M Readiness from Diagnostic Menu and press the
ENTER key. If vehicle supports both types of monitors, a screen for monitor type selection
displays. Select a monitor type and press the ENTER key.