Sealey VS8801 Manual page 29

the control module to illuminate the malfunction indicator light
(MIL) when emission-related fault occurs.
 Pending Codes are also referred to as "maturing codes" or
"continuous monitor codes". They indicate problems that the
control module has detected during the current or last driving
cycle but are not considered serious yet. Pending Codes will not
turn on the malfunction indicator lamp (MIL). If the fault does
not occur within a certain number of warm-up cycles, the code
clears from memory.
 Permanent Codes are DTCs that are "confirmed" and are
retained in the non-volatile memory of the computer until the
appropriate monitor for each DTC has determined that the
malfunction is no longer present and is not commanding the
MIL on. Permanent DTC shall be stored in non-volatile
memory and may not be erased by any diagnostic services or by
disconnecting power to ECU.
1) Use SCROLL button to select Read Codes from Diagnostic
Menu and press ENTER/Exit button.
2) Use the SCROLL button to select Stored Codes or Pending
Codes from the Read Codes menu and press the ENTER/Exit
button.
Diagnostic Menu
Read Codes
Erase Codes
Live Data
View Freeze Frame
I/M Readiness
Vehicle Info
Figure 4.3
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