The following list includes all of the engine system monitoring parameters read from the ECU (if
supported) in the order in which they appear when pressing the Raise/Scroll pushbutton, having started
from the ECU Parameters menu.
1. Throttle position
2. Percent load at current rpm
3. Actual engine percent torque
4. Engine speed
5. Injection control pressure
6. Injector metering rail pressure
7. Total engine hours ∗
8. Trip fuel
9. Total fuel used
10. Engine coolant temperature ∗
11. Fuel temperature
12. Engine oil temperature
13. Engine intercooler temperature
14. Fuel delivery pressure
15. Engine oil level
16. Engine oil pressure
17. Coolant pressure
18. Coolant level
19. Fuel rate
20. Barometric pressure
21. Ambient air temperature
22. Air inlet temperature
23. Boost pressure
24. Intake manifold temperature
25. Air filter differential pressure
26. Exhaust gas temperature
27. Battery voltage ∗
28. Battery voltage (at ECU), switched
29. Active diagnostic codes
30. Previously active diagnostic codes
∗ This parameter may be monitored either directly by the DGC-500 itself or by the DGC-500 and the
appropriate analog sender when the SAE J1939 interface is disabled.
Figure 3-6 illustrates the screens of the ECU Parameters menu after the DGC-500 has established
communication with the ECU.
NOTE
If no ECU support is required, then parameters are updated within the DGC-500
only when “pulsing” the ECU and while the engine is running.
9355400990 Rev H DGC-500 Functional Description 3-17
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