Reading Codes - Sealey VS8801 Manual

7） View a summary of system status (MIL status, DTC counts,
Monitor status) on screen. (Figure 4.1 ) Wait a few seconds or
press any key for Diagnostic Menu (Figure 4.3) to come up.

If more than one module is detected, you will be prompted to
select a module before testing. (Figure 4.2 )

Use the SCROLL button to select a module and press the
ENTER/Exit button to confirm.

4.1 Reading Codes

 Reading Codes can be done with the key on engine off (KOEO)
or with the key on engine running (KOER).
 Stored Codes are also known as "hard codes", which are fault
codes, or trouble codes that have been stored in the vehicle
computer memory because the faults have reoccurred for more
than a specified amount of key-cycles. These codes will cause
System Status
Codes Found
Ignition Type
Monitors N/A
Monitors OK
Monitors INC
Figure 4.1
Control Module
Engine
Module $A4
Figure 4.2
25
6
Spark
3
3
5
1/2