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MODIS Edge Training Module 4

Applies To: MODIS Edge™
Overview:

Scanner Data Graphing View: Views, PID Triggers, Cursors, Cause and Effect, Zoom, Save

Resolution:

VIDEO TRANSCRIPTION

Welcome to Snap-on Training Solutions. This module is designed to help you get the most out of your MODIS Edge diagnostic tool, and covers the use of scanner data in graphing view.

Data PID View

Live data parameters are some of the most valuable clues to help track down a vehicle fault. Live data is one form of “back door” information, or data that is output from the vehicle electronic control module, or ECM.

Live Data Screen – 1 Graph

A numeric view of Parameter ID, or PID data, will not always reveal problems or show relationships between PIDs. Graphing relationships between data parameters gives you a view of performance over time. Data graphing can show momentary failures, and data trends over time.

Live Data Screen - PID List with View Selection menu

The View icon switches the live data viewing mode between a numeric view and a graphing display. From one to four graphs can be displayed on the screen.

View Selection

Live Data Screen – 4 Graph View with View Selection menu

The graph provides a large number of data points plotted so you can compare events over time. Multiple graphs allow you to view relationships between components.

Live Data Screen – 4 Graph 1

Live Data Screen – 4 Graph 2

Live Data Screen – 4 Graph 3

Live Data Screen – 4 Graph 4

Scroll down for more data, using the scroll bar on the right. All data is continuously being recorded for all available parameters for the selected ECM.

Values to the left of each graph show the current, maximum and minimum value of captured data. Minimum and maximum values are stored even after the data has scrolled off the screen.

Engine Data Screen with PID Trigger Icon highlighted

The PID Trigger is a valuable tool to automatically capture data when a parameter value is outside of normal range.

The Set Trigger command sets upper and lower values to start recording a data movie when the signal crosses the set value. This is similar to an OBD-II freeze-frame.

Engine Data Screen - with PID Trigger Menu

PID Trigger

To set a trigger, select the data parameter you want to use. Then tap the Trigger button and select Set Trigger from the dropdown menu. 

Live Data Screen with upper trigger value +/-

Tap the plus and minus buttons on the toolbar, or use the keypad to position the upper trigger line to the desired level. Tap the checkmark on the toolbar, or press the S button to accept the value. 

Live Data Screen with lower trigger value +/-

The lower trigger level line will appear on the graph. Position the line to the desired level. Tap the checkmark on the toolbar to accept the lower trigger value.

Live Data Graph Screen with trigger lines (grey)

The trigger points will appear as horizontal lines across the designated parameter graph. Triggers can be set on up to three parameters at once.

Live Data Screen with Trigger menu: Arm Triggers

To arm the triggers, tap the PID Trigger button on the toolbar and select Arm Triggers from the dropdown menu. 

Live Data Screen with Trigger menu: Triggers Armed (purple)

The trigger lines on the data graphs change color to indicate an armed condition, and any data point outside of your set conditions will pause data collection and save a recording.

Once triggering is armed, it remains on until you clear or disarm.

Live Data Screen with Save Icon highlighted

Home Screen

View Saved Data Screen

Saved Data

The Save Icon saves the current screen information, along with all data stored in the buffer. Simply tap the Save icon. Then select the Previous Vehicles & Data icon on the home screen and select View Saved Data to review the movie.

Select a File to View

Select the movie file you wish to review. 

Engine Data screen with View Selection menu

Change to Graph View. 

Engine Data screen 1

Use the arrow buttons to scroll forward or back through the collected data. 

Engine Data screen 2

Engine Data screen 3

Engine Data screen 4

Scroll down to view more data parameters.

Screen with Zoom Icon highlighted

Graph Zoom View

The Zoom icon incrementally increases and decreases the scale of the data being displayed.

Screen with Zoom Menu

Zoom Plus

Zoom Minus

Tap the zoom icon and select a plus level to zoom in for more detail. Select a minus level to zoom out and see more data.

 

Last Updated: June 11, 2019

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