Actron CP9125 - Manual (Page 5)

5
MIL Conditions:
MIL (Malfunction Indicator Lamp) Status displays the
state of the vehicles computer module(s).
• MIL ON: Indicates that the
Malfunction Indicator Lamp on
vehicle should be ON indicating
a possible emissions problem.
√
If the MIL Status is ON and the MIL is not illuminated with
the engine running, then a problem exists in the MIL
circuit.
• MIL OFF: Indicates the
Malfunction Indicator Lamp
should be off and there should
be no emission problems.
√
Some manufacturers will turn the MIL off if a certain
number of drive cycles occur without the same fault being
detected.
√
Diagnostic Trouble Codes related to a MIL are erased
from the computer’s memory after 40 warm-up cycles if
the same fault is not detected.
MIL ON
MIL OFF