AL529 User Manual V1.00

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 EGR – EGR System Monitor
 HCCAT – NMHC Catalyst Monitor
 NCAT – NOx Aftertreatment Monitor
 BP – Boost Pressure System Monitor
 EGS – Exhaust Gas Sensor Monitor
 PM – PM Filter Monitor
Figure 4-28 Sample Since DTC Cleared Screen
5) If the vehicle supports readiness test of This Drive Cycle, a screen of
the following displays.
Figure 4-29 Sample This Drive Cycle Screen
6) The LEDs and audio tone corresponding to different monitor status will
be activated as below.
Table 4-2
LED Light
Audio Tone
Beep Interval
Green
Two long beeps
2 minutes
Yellow
short, long, short beep
2 minutes
Red
Four short beeps
2 minutes