CAT ET Sensors and Schematics

COURSE PURPOSE:
This course has been designed to provide participants with the knowledge and skills necessary to use Caterpillar Electronic Technician to monitor, test, adjust, calibrate and troubleshoot CAT ET Control Systems.

The course starts with Sensor interpretation and diagnosis, then Data Links, diagnosing and testing, ECMs and their inputs and outputs with relation to the 8 Steps of Troubleshooting. Then ET program navigation and use with a practical component.

PRE – REQUISITES:
Participants should be actively involved in the maintenance and repair of Caterpillar equipment and should be familiar the use of a laptop computer and windows program.

COURSE OBJECTIVES:
On completion of this module, participants will be able to demonstrate a good understanding of the following. :

• Differentiate types of sensors and how to test them;
• Identify and test Data Links;
• Interpret Electrical Schematics;
• Identify the 8 Steps of Troubleshooting
• Electrical and Electronic inputs, controls and outputs;
• Navigate Caterpillar Electronic Technician
o Generate reports o Create graphs and data log reports o Make connections o Interpret faults o Clear codes

25-1

COURSE OUTLINE:

1.Welcome and Course Introduction
-Course description
-Course materials
-Timing’s
-Class introdu ction’s
-Site specifics

2.Electrical Sensors
– General overview on how Sensors work and how the ECM interprets them

3.Data Links
-CAT and CAN Data Link protocols –testing

4.ECMs Inputs and Outputs 
-Understanding Switch, Sender and Sensor inputs
-Control Modules used on current Caterpillar machines
-Outputs associated with current Electronic systems

5.Electrical Schematics    
-Discussion based on the use and interpretation of Caterpillar
electrical schematics with exercise using a schematic
– Navigate new style interactive schematics (electronically)

6.Navigate and use Caterpillar Electronic Technician (ET)
Perform Calibrations Program ECMs
Perform electrical troubleshooting and machine performance tasks
Generate and save reports

7.Troubleshooting    
-8 Steps to Troubleshooting

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