Mil Status; O2 Sensor Test - Launch CReader V User Manual

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4.3.2 MIL Status

MIL Status indicates the status of malfunction indicator lamp (MIL). The
MIL on vehicle will be light only when there are DTCs.
Select [MIL Status] and press [

4.3.3 O2 sensor test

The results of O2 sensor test are not live values but instead the results of
the ECU's last O2 sensor test. For live O2 sensor readings, refer to any
of the live sensor screens such as Graph Screen.
Not all test values are applicable to all vehicles. Therefore, the list
generated will vary depending on vehicle. In addition, not all vehicles
support the Oxygen Sensors screen. If the vehicle or a particular sensor
does not support this feature, the screen list will be blank.
For results of latest mandated on-board oxygen sensor monitoring test,
see Figure below:
] key to view other data of vehicle.
], the screen will display MIL status.
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CreaderV User's Manual