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Toyota prius w2007 NHW20 Intelegent tester 2 Do not connect.

Toyota prius w2007 NHW20...

Toyota prius w2007 NHW20 Intelegent tester 2 Do not connect. Gives the error "No connection ECY"

Mechanic's Assistant: How many miles are on the car? Do you have scan tool or a code reader?

There is an error U0293, 100000 km

Mechanic's Assistant: What year is your Prius?

2007

Mechanic's Assistant: Are you fixing your Prius yourself? What have you tried so far?

I suspect ECU

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Check wiring, power supply

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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: 5,652
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic Vehicles
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Hey how are you , I will try to help you with this issue here
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Customer reply replied 7 months 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

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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 ?

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Customer reply replied 7 months 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 7 months ago
IT 2 no connect
Customer reply replied 7 months ago
TD3 also no connect

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

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Customer reply replied 7 months 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

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Customer reply replied 7 months ago
no connect
Customer reply replied 7 months ago
I think it is defective ECU

ECU IS BAD

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Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
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