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35
Automotive Diagnostic Platform NT1009 User's Manual V1.01
Figure 5-10 Sample Function Menu Screen
5.2 Diagnostic Operations
After a system is selected and the scanner establishes communication with
the vehicle, the Function Menu displays. Generally the menu options are:
● Read Codes
● Clear Codes
● Live Data
●
Active Test
●
ECU Information
●
Special Functions
NOTE
Not all function options listed above are applicable to all vehicles. Available
options may vary by the year, model, and make of the test vehicle.
5.2.1 Read Codes
Read Codes menu lets you read trouble codes found in the control unit.
There are 4 types of code status:
●
Present/Permanent/Current
● Pending
● History
● Self-diagnostic
Present/Permanent/Current codes stored in a control module are used to
help identify the cause of a trouble or troubles with a vehicle. These codes
have occurred a specific number of times and indicate a problem that
requires repair.
Pending codes are also referred to as maturing codes that indicate
intermittent faults. If the fault does not occur within a certain number of drive
cycles (depending on vehicle), the code clears from memory. If a fault occurs
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