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ZEUS Training Module 8

Last Updated: November 23, 2023

Overview

Global OBD-II: Global OBD-II, Readiness Monitors, Fast-Track Troubleshooter, The Ten Modes of OBD-II

Resolution

 

Module 9 - Quick Lookups

 

Diagnostics Livestream - The Power of OBD-II Information Part 1


Diagnostics Livestream - The Power of OBD-II Information Part 2

Video Transcript

Welcome to Snap-on Training Solutions. This module is designed to help you get the most out of your ZEUS diagnostic tool, and covers the use of the Global OBD-II Scanner functions.

Global OBD-II - Standard emissions-related coverage on all 1996-newer vehicles

Global OBD scanner coverage is strictly related to emissions-related coverage and is universal, in that all vehicles sold in the US and Canada since 1996 must comply with this standard.

All ten modes of OBD-II are covered by this tool and are accessed by selecting the OBD Direct icon on the home screen. Menu selections will vary depending on the service modes supported by the vehicle being tested.

OBD Health Check allows you to quickly check OBD-II codes and readiness monitors.

For access to all modes of OBD-II, select OBD Diagnose. Start Communication automatically starts a test session. Connector Information provides the datalink connector location. And Manual Protocol, allows you to select the communication protocol.

Readiness Monitors

Readiness monitors provide a status report on emissions-related systems.

Some monitors require an extensive drive cycle in order to complete the requirements of the test.

Two Readiness Monitor options are provided: Monitors Complete Since DTC Cleared and Monitors Complete This Cycle.

Results are shown for each monitor, including vehicle support status and test complete status.

Fast-Track® Troubleshooter

Select Fast-Track Troubleshooter for access to expert tips that pertain specifically to engine and emission systems.

Then select ENGINE. Then select Tests and Procedures. Select Drive Cycle Procedures. Select Generic Drive Cycle.

Here’s the drive cycle procedure, shown step by step.

Troubleshooter code tips can help save you time by providing common causes for codes. Let’s see. Select Code Tips. Select P0xxx DTC Tip Lists. Then P0503.

Here are a few possible causes for our vehicle speed sensor code, to get you started in the right direction.

The Ten Modes of OBD-II

Now, let’s take a quick look at what’s available for each mode in OBD-II. Diagnosing a check engine light?

Mode 1 is a great place to start, as it displays all available engine and emissions systems data parameters.
 
Mode 2 displays freeze frame data.

Freeze frame provides a record of data parameters captured at the moment a code was set. This snapshot can give you valuable information when starting your diagnosis.

Mode 3 displays current OBD-II codes.

All codes are listed with descriptions. Remember to use Troubleshooter for additional information on each code.

Mode 4 clears OBD-II codes and turns off the malfunction indicator lamp or MIL.

Caution - This also clears freeze frame data, pending codes, and readiness monitors. So this is usually the last step in the repair process.

Modes 5, 6 and 7 display data parameters related to oxygen sensors, manufacturer-specific tests, and trouble codes detected during the last drive cycle. This is useful in determining the root cause of recurring fault codes.

Mode 8 provides on-board tests for components.

The availability and application of this mode varies by manufacturer. For example, on some Ford systems, it can be used to close the canister vent solenoid.

Mode 9 provides options to view information like ECM calibration and ID numbers and the vehicle identification number.

Mode 9 In-Use Performance Tracking displays a record of the number of times each of the readiness monitors has been completed.

Mode 10 displays diagnostic trouble codes with permanent status. These codes are stored in the powertrain control module for 400 days and cannot be cleared. Not all vehicles support Mode 10.

Snap-on is dedicated to helping you get the most out of your diagnostic tool and keep your customers happy. Be sure to watch the rest of the modules in this Training Solutions series.

Applies To

ZEUS®

Manuals

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Accessing SureTrack

Accessing SureTrack

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Accessing SureTrack Community

Accessing SureTrack Community

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Getting Started Pack for the APOLLO-D8 scan tool

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APOLLO-D9 Quick Start Guide

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APOLLO-D9 User Manual

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BMW Vehicle Communication Software Manual

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  • ETHOS® Plus
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Code Scan Report Editing & Printing

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  • ETHOS® Edge
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Code Scan Report Editing & Printing

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  • VERUS® PRO

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EAZ0149L01A Rev. B Mobile Workcenter Instructions

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Important Safety Instructions

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  • APOLLO-D8™
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Diagnostic Thermal Imager Elite Quick Start Guide

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Diagnostic Thermal Imager Elite User Manual

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Diagnostic Thermal Imager FAQ

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Diagnostic Thermal Imager QSG

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Diagnostic Thermal Imager User Manual

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Description

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Mercedes-Benz Vehicle Communication Software Manual

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MICROSCAN User Manual

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MODIS Component Test Meter User Manual

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MODIS Ultra Quick Start Guide

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MODIS Ultra User Manual

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P1000 Quick Start Guide

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P1000 User Manual

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Product Warranty - 12 Month

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Product Warranty - 24 Month

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PRO-LINK Edge Hardware & Software User Manual EEHD959001

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Scope Demo Prop Instruction Manual

Software License Agreement

Snap-on Incorporated Software License Agreement

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US Domestic Vehicle Communication Software Manual

EAZ0025B01J

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VERDICT User Manual

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VERUS Edge Quick Start Guide

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VERUS PRO User Manual

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Volkswagen-Audi Readiness Code Charts

Description

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EAZ0031B01E

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Volvo Vehicle Communication Software

EAZ0025B47A_RevC

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  • MODIS Ultra™
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Wi-Fi Connection Diagnostic Thermal Imager Elite

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WI-FI Connection Instructions for MODIS, SOLUS, ETHOS

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Diagnostics Product Family
  • ETHOS® Edge
  • MODIS Edge™
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WI-FI Connection Instructions TRITON-D8 and APOLLO-D8

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  • APOLLO-D8™
  • TRITON-D8®

WI-FI Connection Instructions VERUS, VERUS PRO, VERDICT

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  • VERUS® PRO

WI-FI Connection Instructions ZEUS to 19.2, VERUS Edge

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ZEUS User Manual

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