Car

Ask a Mechanic Online and Get Answers to Your Car Questions

Ask an Expert,
Get an Answer ASAP!

Car
This answer was rated:

Toyota prius w2007 NHW20 Intelegent tester 2 Do not connect.

Gives the error "No connection...
Toyota prius w2007 NHW20 Intelegent tester 2 Do not connect. Gives the error "No connection ECY"
JA: How many miles are on the car? Do you have scan tool or a code reader?
Customer: There is an error U0293, 100000 km
JA: What year is your Prius?
Customer: 2007
JA: Are you fixing your Prius yourself? What have you tried so far?
Customer: I suspect ECU
JA: Anything else you want the mechanic to know before I connect you?
Customer: Check wiring, power supply
Show More
Show Less
Ask Your Own Car Question
Answered in 4 minutes by:
12/15/2017
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Car
Satisfied Customers: 4,591
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic Vehicles
Verified
Hey how are you , I will try to help you with this issue here
Ask Your Own Car Question
Customer reply replied 1 month ago
Toyota prius w2007 NHW20 Intelegent tester 2 Do not connect. Gives the error "No connection ECY"

click on link to view pdf file with most possible causes of this dtc ,usually that is HV ecu , wiring or ECM

please let me know if you can view file and we go from there

do you have a Toyota capable scanner that hv ecu module and retrieve fault codes

Ask Your Own Car Question

did you check all fuses ?

what is the hv charge level on the inside cabin display ?

any red exclamation marks warning on dash ?

check engine light or just U0293 ?

Ask Your Own Car Question
Customer reply replied 1 month ago
did you check all fuses ? - Yeswhat is the hv charge level on the inside cabin display ? - Car ridesany red exclamation marks warning on dash ? -display lap is on ABS VSC !check engine light or just U0293 ?- only U0293
Customer reply replied 1 month ago
IT 2 no connect
Customer reply replied 1 month ago
TD3 also no connect

unplug hv ecu ,and scan again ,any connection with ecm if you do that

Ask Your Own Car Question
Customer reply replied 1 month ago
Ok,now I will do

ok sounds good, i be here let me know, this might take some back and forth, when you reply back , if i do not answer rght away do not think i left ,i be on another post but will answer you back within 15 or less

Ask Your Own Car Question
Customer reply replied 1 month ago
no connect
Customer reply replied 1 month ago
I think it is defective ECU

ECU IS BAD

Ask Your Own Car Question

REPLACE IT

You are very welcome :)

Please Read Below How to Get Back in touch with Me

Please Take a Second and Click the Stars at the Top of Your Screen To Rate Me , So I May Receive my Credit , A 5 Stars Rating is Much Appreciated

Follow Up Questions are Included in The Price of Your Question ,So Feel Free To Ask Me.

Please Keep in Mind that when you Rate Me , it Does Not End our Conversation.

You Can Always Come Back to this Conversation and Ask Me any Follow up Question you May have on this Issue

(You can Copy this Link Page & Paste it in your Browser when Ready and it will Open up our Conversation Again)

or there should be a Tab on your Screen to Add me As Your Favorite Expert

I'm Online Daily from 7 Am Till Late Eastern Time Zone

Thank You
Chad Farhat
ASE Certified Technician

Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Car
Satisfied Customers: 4,591
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic Vehicles
Verified
Chad Farhat and 87 other Car Specialists are ready to help you
Ask your own question now

Thank You For The Rating :)

IF you need my Assistance in The Future on a Different issue , Just start your Question with ( FOR CHAD FARHAT ONLY)

or Click on the link Below to Enter My Profile & Under My Picture Profile There is a Box That Says (Ask Your Question)

It will be Highlighted in Orange, Type your Question in The Box & It will be sent straight To Me to Assist you .

or there should be a Tab on your Screen to Add me As Your Favorite Expert

http://www.justanswer.com/car/expert-chadfarhat/?rpt=3800

Ask Your Own Car Question
Ask Chad Farhat Your Own Question
Chad Farhat
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Car
Satisfied Customers: 4,591
4,591 Satisfied Customers
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic Vehicles

Chad Farhat is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

The nearest Volvo dealer is 160 miles away. Best $15 bucks I have spent in a long time!

Paul MCorpus Christi, TX

< Previous | Next >

Meet the Experts:

Chris (aka-Moose)

Chris (aka-Moose)

Technician

1,243 satisfied customers

16 years of experience

Ted G.

Ted G.

ASE Certified Technician

1,724 satisfied customers

20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness

George H.

George H.

ASE Certified Technician

1,537 satisfied customers

ASE Master Tech 15+ yrs, AAS Automotive Technology, Factory trained Asian specialist

GM Tech (Cam)

GM Tech (Cam)

Auto Service Tech

669 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Amedee

Amedee

Former ASE Master Tech

2,520 satisfied customers

ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector

Jerry

Jerry

Master Mechanic

2,181 satisfied customers

ASE master, 30+ years. All makes and models. Trouble shooter, shop forman, service manager

Richard

Richard

ASE Certified Technician

1,000 satisfied customers

12 years Ford Lincoln/Mercury Jaguar dealership as a technician and shop foreman reparing all makes

< Previous | Next >

Related Car Questions
The wipers have slowed down. And yes. 1996 regular cherokee.
yes I am and I have tried checking for corroded connections … read more
Edward Clayton
Edward Clayton
Associate Degree
1,033 satisfied customers
I have recently changed my ccv valve & maf sensor on my 2003
I have recently changed my ccv valve & maf sensor on my 2003 BMW 316ti. Since then the vehicle will not run. It is idling rough for a short period and cuts out. I have EML and auto transmission warnin… read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
I have a code on the radio because i had to replace the
I have a code on the radio because i had to replace the radio … read more
Dan
Dan
Dealership Technician
Associate Degree
1,776 satisfied customers
I have a 2003 kia sorento. It has a new flexplate and new
I have a 2003 kia sorento. It has a new flexplate and new starter yet it still grinds when cranking. what could the problem possibly be?… read more
Dan
Dan
Dealership Technician
Associate Degree
1,776 satisfied customers
Over heats after a couple hard pulls, new radiator and
Over heats after a couple hard pulls, new radiator and thermostat. No leaks … read more
indy-tech
indy-tech
Shop owner, technician
Vocational, Technical or Trade Scho
11 satisfied customers
I can't seem to get voltage to my Ignition Coil, but my ASD
I can't seem to get voltage to my Ignition Coil, but my ASD Relay and Fuse are fine as far as I can tell. I have 12 volts at both, but nothing at the connector to the Ignition coil. As well, I have co… read more
Edward Clayton
Edward Clayton
Associate Degree
1,033 satisfied customers
My hyundai accent gls 2004 hatch smells of petrol when
Hi my hyundai accent gls 2004 hatch smells of petrol when driving when windows are open … read more
Pete
Pete
Independent Auto Technician
Vocational, Technical or Trade Scho
138 satisfied customers
After driving a few minutes in DRIVE transmission slips to
After driving a few minutes in DRIVE transmission slips to lower gear … read more
Stephen, MBA
Stephen, MBA
Master's Degree
166 satisfied customers
I have a 97 Jeep 4cyl auto, a/c. Besides going to a 350V8
I have a 97 Jeep 4cyl auto, a/c. Besides going to a 350V8 swap, what could I do to improve hp and low end torque? … read more
BOBBYSS
BOBBYSS
TECHNICIAN/ADVISOR
Associate Degree
8,343 satisfied customers
I have a 2016 pathfinder and when i turn the fan on for the
I have a 2016 pathfinder and when i turn the fan on for the heat and defrost it is making a loud clicking noise … read more
Dan
Dan
Dealership Technician
Associate Degree
1,776 satisfied customers
I set the child proof lock to the on position on my 2006
I set the child proof lock to the on position on my 2006 passat (rear passenger side) now I can't open the door! … read more
Eurocar Inc
Eurocar Inc
Master Audi/VW Tech
Associate Degree
1,773 satisfied customers
2014 Subaru Forester. Had 2 amateur radios plugged into rear
2014 Subaru Forester. Had 2 amateur radios plugged into rear accessory power outlet. Keyed up one of them and both shut down, no power. Which fuse and where is it located? … read more
Stephen, MBA
Stephen, MBA
Master's Degree
166 satisfied customers
I've worked with Ted Ritter, Genchi Genbutsu & Skyvisions
Hello,I've worked with Ted Ritter, Genchi Genbutsu & Skyvisions before. But any technician can probably help me if they're not readily available too.02 Toyota Sequoia 4WD, 183K milesI seem to have res… read more
Pete
Pete
Mechanic
Construction, Plant Fitter
61 satisfied customers
Drove fine yesterday and today the doors would not unlock
drove fine yesterday and today the doors would not unlock using the button on key. opened doors with actual key and car will not start. no power in any way. … read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
Can I replace the thrust bearing on a 2005 pt cruiser that
Can I replace the thrust bearing on a 2005 pt cruiser that has only ahalf flange thrust bearing with a new full flange thrust bearing… read more
eurotec
eurotec
Vice President / Manager
Associate Degree
11 satisfied customers
My transmission went out. And the mechanic wants to fix
My transmission went out. And the mechanic wants to fix drive train too. I've heard they don't typically need repaired at the same time. Do I need to get a drive train? … read more
Edward Clayton
Edward Clayton
Associate Degree
1,033 satisfied customers
Car coolant temp fluctuates between low and normal. Just
car coolant temp fluctuates between low and normal … read more
tim37857
tim37857
Mechanic
High School or GED
71 satisfied customers
Airbag light on since bought car goes out when above 50
airbag light on since bought car goes out when above 50 degree's … read more
Eric
Eric
Auto Technician
589 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x