1 PVDI personal vehicle diagnostic interpreter Grandma Photo courtesy of Getty Images.

1

PVDI personal vehicle diagnostic interpreter

Grandma

Photo courtesy of Getty Images

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Personal Vehicle Diagnostic Interpreter

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Features• Compact size: 4" x 3" x

2" • Ample storage• Expandable flash memory• Unique high resolution,

LCD screen with built-in back light

• No battery needed• Simple four-button

interface• Automatic shut-off

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Survey Results

Would you buy a PVDI?

8%

92%

Money Spent on Repairs

0

1000

2000

3000

4000

5000

6000

7000

0 20 40 60 80 100 120 140 160

Person Surveyed

Mo

ney

Sp

ent

($)

Survey conducted by the PVDI team of 137 people

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Objectives• TO CREATE A PRODUCT THAT WILL:

1. be easy to install and operate. 2. reduce anxiety, stress, and inconvenience due to auto repairs 3. increase the safety of drivers/ passengers 4. save owners money on some motor vehicle repairs. 5. reduce mistaken &/or fraudulent repairs

6. serve as the first major step in on-board system diagnostics

7. make a nice profit for the project team and investors.

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Data Flow Diagram

From the Inside

From the Outside

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Functional Specs• Plug, cable and protocol and processor-to-protocol

converter must conform to SAE standards• User input - 4 buttons providing the modes :

– Read DTCs and Ams -- Erase codes– Save codes -- Retrieve saved codes

• Processor - 68HC11• Storage memory - 4 MB flash card• LCD display- 40 characters per line and ten lines, backlight • Enclosure – measurements: 4” X 3” X 2” It must be

rugged and secure as to prevent damage to the inside, outside and plug

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Scope

• Only 1995 and newer cars and light trucks

• Supports OBD II protocol only• Not a mechanics substitute • Not a common sense substitute• Not supercede owners manual

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Organization Chart

M a n u fa c tu re r M a rke tin g T e am

T e ch n ica l W rite r

S ys tem A d m in 2 P ro g ra m m e rs

S te p ha n ie C ru m bS o ftw a re

M e ch a n ics E le c trica l E n g in e er

H ich a m /H anH a rd w a re

T e ch S u p p o rt

W e b m a s te rJe n ife r D a n ie ls

M ike R a in e sM a n a g er

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Consulting and Development Budget

0

50

100

150

200K

Consulting Budget

SeniorMarketingConsultant &Advertising

Lawyer

0

1

2

3

4

5

6K

Development Budget

AVT-716multipleinterfaceRST32developmenttool

PersonalComputers

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Contractor Budget

0

10

20

30

40

50K

Contractor Budget

Programmer1

Programmer2

ElectricalEngineer

TechnicalWriter

Mechanic

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CS Subcontracts

• CS 300U students will:• Research the future of auto

technology. …improvements that are going to be in future cars and what major changes can result (paper or discussion forum)

• CS 250 students will be providing the lookup and display software

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Software Flow Chart

Button Press – Diagnose

Are there any trouble codes?

Display “No current problems”

message

EXIT

Is code protocol

supported?

Get trouble code – valid?

Does code have an associated message?

Message being used already in message queue

(flag set?)

Display message

Button Press Save

Button Press Erase

Button Press Next / Ignore

Write code and Message to

memory database

Clear Message from display

queue clear set flag

Display error

Yes

Yes

Yes

Yes

No

Yes

No

No

No

No

Yellow = CS 250 Contracting

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Evaluation Methods

• Completion of the product prototype • See if the prototype can read the

input from the car computers and output simplified DTC to the screen

• Prioritizing and grouping DTC & getting user input & SAE input

• The ultimate standard- if its well sold

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Procedures

• Having the engineer and programmers verify the correct functioning of the product

• Competency of the marketing and advertising team

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Potential Problems

• Weather• Someone beats us to the market• Supplier/manufacturer/contractor

slippage causes us to miss Christmas sales

• Legal problems

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Schedule and Tasks Sept-Nov 00

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Schedule and Tasks Oct 00 – Oct 01

LAUNCH 10/01

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Resources

Unless otherwise noted, resources are 100%KEY:

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Functional Specs Complete

Databases complete

Prototype 1 complete

Prototype 2 completed (stand-alone box)

Final presentation to Customer

First units manufactured

Product sales launch

Milestones

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Deliverables

• Preliminary project concept plan• Feasibility/ milestones/final presentation for

customer• Product web site operational• Tables (AM and DTC)• Testing data• Prototype 1 (pc version)• Prototype 2 (box)• First units manufactured

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Conclusion-addresses societal problems

-can be built with current technology

-will save the consumer stress/ money

-will be profitable

-will be ready in time for Christmas 2001

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Questions

1 PVDI personal vehicle diagnostic interpreter Grandma Photo courtesy of Getty Images.

Documents

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