Autel AutoLink AL419 Manual page 63

"INC"
has not completed its diagnostic testing.
"N/A"
The LED and audio tone indications are interpreted as below:
LED Interpretation
The green and red LEDs provide an easy way to check if
emission-related monitoring systems complete their self-diagnostic
testing.
GREEN LED – Your vehicle is Ready. Indicates that engine
1)
systems are "OK" and operating normally (the number of
Monitors supported by the vehicle which have run and
performed their self-diagnostic testing is in the allowed limit).
RED LED –Your vehicle is Not Ready. Indicates that the
2)
number of Monitors supported by the vehicle which have run
and performed their self-diagnostic testing is out of the allowed
limit.
Audio Tone Interpretation
The audio tone could be configured according to the I/M Readiness
Status. This function is invaluable when performing diagnostics and
driving at the same time , or working in bright areas where LED
illumination alone is not sufficient.
LED Light
Green LED
Red LED
-- Indicates that a particular monitor being checked
-- The monitor is not supported on the vehicle.
Audio Tone
Two long beeps
No beep
62
Beep Interval
2 minutes