CONTROLS - Instrument Cluster 6 successful Self Test. Have your instrumentation system checked by a qualified service technician if does not successfully complete. system malfunction and/or operating conditions that may hinder safe and proper performance for the vehicle. Some messages can be managed by the operator while others may require an authorized dealer repair. 5 7 4 8 3 9 3 The audible alarm will sound during the Instrumentation System Self Test. The audible alarm will also sound in conjunction with most warning lights. These events include but are not limited to headlight on, fifth wheel, stop engine, primary/secondary air, and driver door open warnings.
Audible Alarm 1 2 10 Speedometer The Speedometer indicates the vehicle speed in miles per hour (mph) and in kilometers per hour (km/h). The Speedometer cluster also includes several warning and indicator lamps. 1. Speedometer 2. Tachometer 3. Fuel Level (Primary) 4. Diesel Exhaust Fluid (DEF) 5. Engine Coolant Temperature 6. Driver Information Display 7. Engine Oil Pressure 8. Primary Air Pressure 9. Secondary Air Pressure 10. Trip Reset Button Optional Icons Additional icons may be operational depending on individual vehicle specifications. These will be included in the Instrument System Self Test. Tachometer Engine speed information.
The Tachometer measures the engine speed in revolutions per minute (rpm). The rpm detail is also available as a viewable screen in the instrumentation cluster as a virtual gauge. The tachometer is a useful gauge when attempting to drive efficiently. It will let you match driving speed and gear selection to the operating range of your engine. If the engine speed gets too high, you can select a higher gear to lower the rpm's. If the engine speed drops too low, you can select a lower gear to raise the rpm's. To avoid engine Instrument System Self Test NOTE When the ignition switch is turned on the instrumentation system will undergo a Self Test.
This test will verify the operation of the gauges and warnings. During the Instrumentation System Self Test, multiple warning icons will be displayed in a sequence. The total sequence should only take no more than 10 seconds to complete. Completing this sequence will indicate a Some optional lights may illuminate even though your vehicle is not equip- ped with that particular feature. Check Messages Check messages are provided to give the operator additional information regarding systems that require attention due to a 62 Y53-6047-2HEN (03/18)