Users Manual

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Premier Diagnostic Platform II i80 Max User's Manual V1.01
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 certa in number of drive
cycles (depending on vehicle), the code clears from memory. If a fault occurs
a specific n umber of times, the code mature s into a DTC and the MIL
illuminates or blinks.
History codes are also re ferred to as past codes that indicate intermittent
DTCs that are not currently active. Code history is number o f engine starts
since DTC(s) were first detected (to see if they are current or intermittent).
Self-diagnostic lets you manually ac tivate system tests th at check for DTCs.
Usually it includes a KOEO (Key-on, engine-off) test and a KOER (key-on,
engine-running) test.
To read codes from a vehicle:
1. Press Read Codes from Select Diagnostic Function menu. A code list
including code number and its description displays. The red icon
means there is help information available for the code. The green icon
means there is freeze frame available.
Figure 5-11 Sample Trouble Code Screen
●
Freeze Frame- select o ne fault code from the code list and click Freeze
Frame button on the screen. The screen will display freeze frame data, a