Mil on mil off 9 : 9 – Actron OBD II POCKETSCAN CP9125 User Manual

Page 5

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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

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