Freightliner CENTURY CLASS S Driver Manual

The vehicle specification decal lists the vehicle model, identification number, and major component models. It also recaps the major assemblies and installations shown on the chassis specification sheet. One copy of the specification decal is attached to the driver’s side sunvisor; another copy is inside the rear cover of the Owner’s Warranty Information for North America booklet. An illustration of the decal is shown in Fig. 1.1.

Freightliner CENTURY CLASS S This manual provides information needed to operate and understand the vehicle and its components. More detailed information is contained in the Owner’s Warranty Information for North America booklet, and in the vehicle’s workshop and maintenance manuals. Custom-built Freightliner vehicles are equipped with various chassis and cab components. Not all of the information contained in this manual applies to every vehicle. For details about components in your vehicle, refer to the chassis specification pages included in all new vehicles and to the vehicle specification decal, located inside the vehicle.

Tire and Rim Labels
Tire and rim labels certify suitable tire and rim combinations that can be installed on the vehicle, for the given gross axle weight rating. Tires and rims installed on the vehicle at the time of manufacture may have a higher load capacity than that certified by the tire and rim label. If the tires and rims currently on the vehicle have a lower load capacity than that shown on the tire and rim label, then the tires and rims determine the load limitations on each of the axles. See Fig. 1.3.

EPA07 Exhaust Emissions Regulations
To meet January 2007 emissions regulations, engines manufactured after January 1, 2007, are equipped with an emission aftertreatment device. There is a warning label on the driver’s sunvisor, explaining important new warning indicators in the driver’s message display, that pertain to the aftertreatment system. See Fig. 1.8.

The instrumentation control unit (ICU) provides the driver with engine and vehicle information. It is comprised of standard and optional gauges, an audible warning, a driver message center, and a lightbar containing warning and indicator lamps (also known as telltales). Warning and indicator lamps illuminate in red (danger), amber (caution), green (status advisory), or blue (high-beam headlights activated).

The ICU lightbar has three or four rows of warning and indicator lights with icon symbols, depending on the ICU. The positions of the lights may vary for the different ICU’s, but the telltales are standard for all applications. See Table 2.1 for a listing of standard and commonly used warning and indicator lamps.

If the ICU receives active fault codes, it displays them one after the other until the parking brake is released or the ignition is turned off. Once the parking brake is completely released, the ICU displays the odometer. If there are no active faults, the ICU displays the odometer after the self-check completes. When the self-check is complete on an ICU4M, the fasten seat belt screen displays if the engine is off. If the engine is running, the idle hours screen displays.

The STOP engine lamp illuminates when the engine protection system is activated in one of two ways. On some engines, the engine protection system derates the engine, allowing it to run at lower rpm and slower vehicle speed. Drive the vehicle to a safe location or to a service facility.

On other engines, the engine protection system shuts down the engine. It first derates the engine, then shuts it down completely 30 to 60 seconds after the indicator illuminates (depending on the critical fault type) if the condition does not improve. Bring the vehicle to a stop on the side of the road before the engine shuts down. Some vehicles may have a shutdown-override switch, which may be used to momentarily override the shutdown sequence. See Chapter 7 for detailed information regarding the shutdown process.

To restart the engine, turn the ignition switch to OFF for a few seconds, then turn the ignition switch to ON and let the gauge sweep complete before starting the engine. The engine will run for a short period and shut down again if the condition does not improve.

Service warning screens display during the ignition sequence and indicate that a service interval has been reached or exceeded and maintenance is required. The messages may indicate the number of miles (KM) or hours until the next required service or, once passed, the number of miles (KM) or hours ago that maintenance should have been performed.

Automated Transmission Display
The ICU4M can display current gear information for vehicles with an automated transmission. The last three digits at the far right on the lower line of the driver display screen are reserved for this information. If there is a request to shift, an up or down arrow is also displayed, depending on the shift direction. On vehicles with conventional manual or automatic transmissions, the gear and shift direction are not displayed. For more information about specific models of automated transmissions, see Chapter 8.

Freightliner CENTURY CLASS S Manual

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