Home Screen: Guided Component Tests > Classes > Power User Tests

Power User Tests provide you quick access to preconfigured meter tests for a number of common automotive system tests. Most tests provide onscreen help and testing information along with a description of the test and the expected results, including known good waveforms.

Here is a sample listing of the types and specific tests that may be available within Power User Tests:

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Current Probe Tests - provides common tests configured to use the Snap-on Low Amp Current probes or generic Low Amp Current probes. Snap-on Low Amp Current Probe operation information is also provided within the Snap-on Low Amp Probe Reference Manual option.

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Fuel Injector Current Ramp (multiple types)

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Fuel Pump Current Ramp

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Fuel Pump RPM Calculation

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Ignition Coil Current Ramp (multiple types)

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Parasitic Draw

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Snap-on Low Amp Probe Reference Manual

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Dual Channel Tests - provides common tests configured to measure or compare two signals

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CAN-BUS High/Low

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CKP and CMP Relationship

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EGR Solenoid and Position Sensor

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EVAP Solenoid and Diagnostic Switch

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FlexRay Bus

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Injector and Oxygen Sensor

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Knock Sensor and EST

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MC Dwell and Oxygen Sensor

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Pre and Post Cat Oxygen Sensors

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Throttle Positions 1 & 2

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WSS (Hall Effect Type)

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Transducer Tests - provides common single and dual channel tests configured to measure various types of pressures, voltage and current. Transducers are available as optional equipment.

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A/T Line Pressure and Shift Solenoid

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A/T Line Pressure Test

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EGR Temperature Sensor and EGR Vacuum

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Exhaust Back Pressure Test

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Fuel Pressure and Fuel Pump Current and Voltage

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Fuel Pressure Test

Home Screen: Guided Component Tests > Classes > Features and Benefits

Selecting Features and Benefits provides basic feature description and operational information about the diagnostic tool. Additional information is provided for ShopStream Connect, optional waveform demonstration boards and optional accessories. Selections include:

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5-Minute Walk Thru With Demo Board—provides instructions on the operation of the optional waveform demonstration board(s) to sharpen your Lab Scope and Meter skills. Topics may include:

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New Demo Board (PN) #EESX306A—provides functionality information and basic step-by-step demonstration information of multiple generated waveforms

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Old Demo Board (PN) #SSP816—provides functionality information and basic step-by-step demonstration information for multiple generated waveforms

The optional demonstration board(s) generate various waveforms similar to signals commonly found on modern vehicle control systems. The demonstration board(s) not only help you learn how to use the Guided Component Tests software, it allows you to hone your skills and diagnostic techniques without connecting to an actual vehicle. Contact your sales representative for details.

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Accessories—provides descriptions for the optional accessories available for the diagnostic tool. Accessory topics may include:

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Low Amp Probe

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Pressure/Vacuum Transducers

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ShopStream Connect

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Test Leads and Clips

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Product Description—provides an overview of diagnostic tool capabilities and operations.

Home Screen: Guided Component Tests > Classes > How To

The How To option provides multiple topics and references ranging from instructional and basic theory to troubleshooting and testing instructions. Menu options may include:

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10-minute Electronic Classes—provides basic electrical theory and testing information. Topics may include:

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Ohm’s Law

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Variable Resistors

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Amperage

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Diode Continuity

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Electrical Circuits

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Guided Voltage Drop Test

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Other Electrical Measurements

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Resistance

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Scientific Notation

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Voltage

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15-minute Ignition Class—provides basic introductory ignition system information. Topics may include:

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Introduction

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Coil on Plug (COP)

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Conventional

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Waste Spark

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Illustrated Terms & Definitions—provides common term definitions, illustrations and tips associated with automotive component testing.

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No-Start Basics—provides basic step-by-step procedures for the diagnosis of a no-start condition on carbureted and fuel injected vehicles.

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O2 Sensor & Feedback System Analysis—provides basic definition and theory information for the following O2 sensor topics:

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Air Fuel Ratio Sensors

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Correct PCM Response (includes configured meter test)

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Heated Oxygen Sensor

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Non-Heated Oxygen Sensor

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Open and Closed Loop

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Oxygen Sensor Types

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Understanding Oxygen Sensors (includes configured meter test)

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Snap-on Automotive Theory— provides basic theory information on multiple topics including:

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Air Conditioning

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Diagnosing Battery Draws

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Diesel Particulate Filters

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Electronic Parking Assistance

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HID Headlights

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Hybrid Vehicles

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LIN-BUS

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Supplemental Restraint Systems

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Tire Pressure Monitoring (TPMS)

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Test Tips—provides basic testing information, tips and procedures for specific tests and meter operations. Topics may include:

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Alternator Ripple Test

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EVP Sensor Test

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Frequency, Pulse Width and Duty Cycle Test

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Graphing AC Voltage

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Injector Pulse Width Test

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Parasitic Draw Test

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Reading Pulsed DTC’s

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TPS Sweep Test

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Using Cursors

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Using Pressure Transducers

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Using Triggers

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Wiggle Test

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Zirconia Oxygen Sensor Rise Time

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Theory and Operation—provides basic theory information for the following topics:

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Oxygen Sensors

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Relays

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20-minute Current Ramp Classes—provides an introduction to current ramp testing using the Snap-on Low Amp Current Probes. Snap-on Low Amp Current Probe operation information is also provided within the Snap-on Low Amp Probe Reference Manual option. Topics may include:

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Fuel Injector Current Ramp (multiple types)

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Fuel Pump Current Ramp

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Fuel Pump RPM Calculation

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Ignition Coil Current Ramp (multiple types)

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Parasitic Draw

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Snap-on Low Amp Probe Reference Manual

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Using Fuse Box for Current Test Hard to Reach Wiring