Installation Manual

Electrical & Electronic Application And Installation Manual
Production Release Version 1.0
Page 174
DES Active
Indicator
x ✓
Yes if DES is
enabled
Table 13.1 Mandatory Indicator Requirements
13.1.1 Monitoring System Fault Status Levels
All engine and aftertreatment fault indicators are assigned a warning category
indicator (WCI), which indicates the severity of the specific diagnostic, event
or emissions critical failure. The high level operation of the indicator control
strategy is shown below in figure 13.1. It should be noted that the protect
indicator status is only available via J1939 and not as a hardwired ECM
output. If hardwired engine warning and shutdown lamps are used then
engine events will be displayed in the same manner as engine diagnostic
code, via a warning lamp and shutdown lamp only.
Figure 13.1 General Indicator Operation