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529 OBD II Scanner User’s Manual
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Figure 5-4
•
If the GREEN LED on the scanner lights up, it indicates that all engine
systems are “OK” and operating normally. All monitors supported by the
vehicle have run and performed their diagnostic testing, and no trouble
codes are present.
•
If some DTCs are found, the screen will display the codes as shown below:
A
B
C
D
E
Figure 5-5
In Fig. 5-5,
•
A - DTC
: Displays the Diagnostic Trouble Code (DTC) number. Each fault
is assigned a code number that is specific to that fault.
•
B - Code Number Sequence
: The scanner assigns a sequence number to
each DTC that is present in the computer’s memory, starting with “1.” This
number indicates which code is currently displayed.
•
C - Code Enumerator
: Indicates the total number of codes retrieved from
the vehicle’s computer.
•
D - Code Type
: Indicates the type of code being displayed; Generic
Current, Generic Pending, Generic Permanent, etc.
Pending DTC
: A code recorded on the “first trip” for a “two-trip” code. If the
fault that caused the code to be set is not detected on the second trip, the
code is automatically erased. When pending DTCs are found, the YELLOW
LED on the scanner will light up.
Permanent DTC: When the currently displayed DTC is a Permanent DTC,
the RED LED on the scanner will light up. It indicates there is a problem in
one or more of the vehicle’s systems. In this case, the Malfunction Indicator
(“Check Engine”) lamp on the vehicle’s instrument panel will light steady
on.
•
E - Test Data Display Area
: Displays DTC definitions.
