Transmission Prognostics
The transmission prognostics screen is only available
for Allison transmissions. It displays information on
the transmission health status (oil filter status, oil
level, and oil life). If transmission health falls below
acceptable limits, a message will pop-up on the
driver display.
NOTE: For a valid oil level measurement, the
vehicle must be stopped on a level surface with
the transmission in neutral (N).
Suspension Air Pressure
The ICUC may display four vehicle air suspension
yellow caution alerts.
These include Suspension Lowered and Suspension
Raised alerts indicating that the current rear
suspension height is either below or above the
normal ride height. See
Fig. 3.26 and Fig. 3.27.
The ECAS Problem Detected alert, shown in
Fig. 3.28, indicates the electronically controlled air
suspension system has an active fault.
A flashing Load Transfer alert, as shown in
Fig. 3.29,
indicates the ECAS system is applying the maximum
available vehicle load on the drive axle up to the
maximum allowable limit determined by the gross
axle weight rating (GAWR). Load transfer mode
automatically deactivates when the vehicle reaches
45 mph (72 kmh).
ICUC Vehicle Operations: Vehicle
Settings
The ICUC Vehicle Operations menu has a submenu
called Vehicle Settings. Settings and controls for
vehicle features installed on the vehicle can be found
here. These may include:
•
Cruise Control
•
Transmission
•
Attention Assist
•
Engine Idle Adjust
•
Optimized Idle
Many of these may also be accessible under the
Quick Access Systems menu.
Cruise Control
Settings for cruise control include setting the
overspeed and underspeed in mph or kph and
setting the following distance in seconds. For full
instructions on standard cruise control, see
Chapter 7 Driver Assistance Features.
f61143406/29/2016
Fig. 3.26, Suspension Lowered Alert - ICUC
11/09/2016
f611471
Fig. 3.27, Suspension Raised Alert - ICUC
04/22/2016
f611367
Fig. 3.28, ECAS Problem Detected Alert- ICUC
11/09/2016
f611472
Fig. 3.29, Load Transfer Alert - ICUC
Instruments
3.15
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