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4
Vehicle Diagnostics
Section 4 – Vehicle Diagnostics
Diagnostic Menu
From the Diagnostic Menu, you can:
Read Codes
Erase Codes
MIL Status
I/M Monitors
View Data
View Freeze Data
Review
•Print Data
Code Lookup
System Setup
The Tool keeps all data received from the last vehicle selected until any
of the following occurs:
The Tool is reprogrammed to update software.
A new vehicle is selected.
Read Codes
The Read Codes function allows the Tool to read the diagnostic trouble
codes (DTCs) from the vehicle control modules. DTCs are used to help
determine the cause of a problem or problems with a vehicle. The
anti-lock brake control module reports DTCs pertaining to the brake
system.
Read Codes can be done with the Key On Engine Off (KOEO) or with
the Key On Engine Running (KOER).
If no DTCs are present, a message stating Pass: No Codes Found is
displayed.
To access the Diagnostic Menu, select Vehicle Diagnostics from the
Main Menu and select a vehicle.
When codes are viewed, the Tool displays Diagnostic Trouble Codes
(DTCs). DTCs are reported when a component, sensor, or other part of
the vehicle is indicating a malfunction is present. The malfunction must
be present for a sufficient amount of time before the Tool will display a
Confirmed Trouble Code.
DIAGNOSTIC MENU
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Read Codes
Erase Codes
MIL Status
I/M Monitor
View Data
View Freeze Data
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