Instrumentation Control Unit
The instrumentation control unit (ICU) provides the driver with engine and vehicle information. See Fig. for a typical ICUC layout.
This section provides general system and operating instructions for ICUC components. Following sections provide more detailed information.
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Speedometer
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Coolant Temperature Gauge
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Primary and Secondary Air Pressure Gauge
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Fuel and DEF Level Gauge
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Engine Oil Pressure Gauge
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Tachometer
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Driver Display
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Home
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Drive Time Systems
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Vehicle Operations
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Maintenance
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Infotainment
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User Settings
Fig. 1, Instrument Cluster Overview - ICUC
ICUC
The instrument cluster unit (common), or ICUC, is comprised of six physical gauges, indicator lamps (telltales), a six inch portrait driver display screen, steering wheel mounted switches, and audible warning systems. Warning and indicator lamps illuminate in red (warning), amber (caution), green (status on), or blue (informational).
The driver display screen provides information on various vehicle systems as well as warnings, cautions, and notifications on systems status.