Using Diagnostic Gauge to Access Engine Information

RG10031-UN-28OCT99

Diagnostic Gauge (Earlier Engines)

A - Diagnostic Gauge

B - Touch Switches

C - Lights

The diagnostic gauge (A) allows the operator to view many readouts of engine functions and diagnostic trouble codes (DTCs). The gauge is linked to the electronic control system and its sensors. This allows the operator to monitor engine functions and to troubleshoot the engine systems when needed.

Press the two touch switches (B) to view the various engine functions in sequence. The displays can be selected as either customary English or metric units.

NOTE: Engine parameters which can be accessed will vary with the engine application.

The following menu of engine parameters can be displayed on the diagnostic gauge window:

• Accelerator pedal position
• Percentage load @ current speed
• Actual engine percent torque
• Engine speed
• Trip distance
• Total vehicle distance
• Engine hours
• Trip fuel
• Total fuel used
• Coolant temperature
• Fuel temperature
• Engine oil temperature
• Engine intercooler temperature
• Fuel delivery pressure
• Engine oil level
• Engine oil pressure
• Coolant pressure
• Coolant level
• Wheel base vehicle speed
• Fuel rate
• Barometric pressure
• Air inlet temperature
• Boost pressure
• Intake manifold temperature
• Air filter differential pressure
• Exhaust gas temperature
• Electrical potential (voltage)
• Battery potential (voltage), switched
• Transmission oil pressure
• Transmission oil temperature
• Injector metering rail #1 pressure
• Injector metering rail #2 pressure
• Estimated percent fan speed
• Active service (diagnostic) codes
• Stored service (diagnostic) codes

The diagnostic gauge includes a two-line by eight-character backlit Liquid Crystal Display (LCD). The top line displays the data label, i.e. “EngHrs” and the bottom line displays the matching unit information, i.e. “1246 hrs.”. The diagnostic gauge uses two touch switches (UP and DOWN) for scrolling through the engine parameter list and viewing the menu list. Two lights (C) (amber and red) are used to signal active trouble messages received by the diagnostic gauge.