Injector Circuit & Wiring Diagram




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Injector Circuit & Wiring Diagram

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Learn to test and analyze automotive fuel injector circuits from a wiring diagram perspective. Fuel injectors are…

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42 thoughts on “Injector Circuit & Wiring Diagram

    Mark Moore

    (September 14, 2019 - 4:42 am)

    I see now

    Mike Vite

    (September 14, 2019 - 4:42 am)

    Am I correct to assume that?

    Mike Vite

    (September 14, 2019 - 4:42 am)

    So what this means is that fuel injectors are definitely polarity sensitive

    Robert Shackleferd

    (September 14, 2019 - 4:42 am)

    VSS? does this mean vehicle speed sensor?

    Nelson Robles

    (September 14, 2019 - 4:42 am)

    Ok, and installed in the engine 4g63 na would also work only with the CAS. the engine would start ?. I can eliminate the other sensors and only with the CAS will the motor work? please answer me

    Hao Oto

    (September 14, 2019 - 4:42 am)

    Good

    Omar Adan

    (September 14, 2019 - 4:42 am)

    Thanks that's great amazing video

    tibanjagaja david

    (September 14, 2019 - 4:42 am)

    interesting I've like your lecture plz

    Sam Nkunas

    (September 14, 2019 - 4:42 am)

    please know how connect the computer box

    Sam Nkunas

    (September 14, 2019 - 4:42 am)

    please know how connect the computer box

    Bukhary Muosa

    (September 14, 2019 - 4:42 am)

    Bukharymuosa@gmail.com

    Cristian Razvan

    (September 14, 2019 - 4:42 am)

    i have this problem on mercedes benz a 170 ( y62y3-fuel injector cylinder,open circuit stored in wiring P0203…HOW I CAN FIX?

    treborhi

    (September 14, 2019 - 4:42 am)

    I have a 2008 Dodge Grand Caravan with the 3.3 liter engine. Does this video describe the fuel injection system for my car? Are you saying the ASD relay changes state every time an injector fires?

    Mohamadsalim Khokhar

    (September 14, 2019 - 4:42 am)

    very. nise. work

    Qaseem Khan

    (September 14, 2019 - 4:42 am)

    comman rail injector testar meniuoal digram send me

    LAWRENCE / P. Ing. Sis.

    (September 14, 2019 - 4:42 am)

    thanks relay was my issue, inyector 1&3 works inyector 2&4 clogged i remplace relay and works… like and suscribe

    Tim Kasey

    (September 14, 2019 - 4:42 am)

    If you don't provide a diagram your information is useless. I have a PWM and a fuel injector. The PWM drives a small 12-volt water pump ( I did this to check and see if the thing even works, it does) but is unable to make the fuel injector work… I need a wiring diagram, not some reading out of a book.

    RC-Breakers

    (September 14, 2019 - 4:42 am)

    I want to switch from ecm power controller to my own for bigger flames by injecting more fuel.. does the pulse vary or does it stay at one voltage? If they vary do they all change voltage at the same time or do they change like spark timing does? I more want it for rev limiter not for day use.. my car is not standerd!!

    Rathod Pravin

    (September 14, 2019 - 4:42 am)

    nice

    Tracie Johnson

    (September 14, 2019 - 4:42 am)

    I have a 1991 Toyota Camry LE, I have power to the fuel pump but not to the fuel injectors what could cause this

    Wilfred Mhamba

    (September 14, 2019 - 4:42 am)

    Thank you this is a reliable source

    JORDAN CASTILLO

    (September 14, 2019 - 4:42 am)

    im using a simple fuel injected motor cycle. can it be posible to improve speed by simply replacing injector with larger nozzel? will the pump bare with it?

    Rabid wolverine

    (September 14, 2019 - 4:42 am)

    I have 94 1.6 in my 96 civic an two injectors aren't working but when I used the noid to test them it lights up on all of em so idk whats going on I don't know much about mechanics

    i Recklezs

    (September 14, 2019 - 4:42 am)

    Im having a one of my injectors not pulsating but i have voltage at the connector and the resistance of the injector is fine too so i know that is fine, i even bought a new one and it still did not pulsate. Any help please? ive been at it for days trying to fix this

    somphong thanomsack

    (September 14, 2019 - 4:42 am)

    good information

    rubbertramp wrattchett

    (September 14, 2019 - 4:42 am)

    im working on a subaru 2.5 v4 or H4 and 2 fuel injectors on the passenger side are pulsing just fine, the driver side is pulsing three of four times a second. what will cause this, (its not setting off a code its a 200 Subaru outback legacy.

    Basanth Jassan

    (September 14, 2019 - 4:42 am)

    I have a 2 jz vvti twin turbo how to wire it and start it on the ground

    Mark Shogun

    (September 14, 2019 - 4:42 am)

    i guess you forgot to emphasize that inside the injector is a solenoid valve that closes and opens with respect to the pulse current fed on it thus allowing the fuel to pass through….

    Telle

    (September 14, 2019 - 4:42 am)

    Does anyone know what is a injection computer box of nissan terrano is for?

    Justyn Bumpus

    (September 14, 2019 - 4:42 am)

    interesting video!

    KeliBaB

    (September 14, 2019 - 4:42 am)

    Thank you, this is a very informative video. I'm facing an issue with one of the injectors on my jeep.

    Ramesh Maharjan

    (September 14, 2019 - 4:42 am)

    it is very important and precious job for all technician of all over  world who are intreste in automotive sector thank you ADP. IT should be really appriciated by people

    Mike Hart

    (September 14, 2019 - 4:42 am)

    how could I set up a single injector to inject a constant amount of fuel to a homemade two cycle engine. Pulse width must be very small——maybe 1 or 2 milliseconds so my engine could just idle at constant speed. No throttle control is necessary.Any help?

    Roland L. Beauvais Jr.

    (September 14, 2019 - 4:42 am)

    what would happen if the 2 wires on the plug going to the injector were reversed or back words

    Chris Soto

    (September 14, 2019 - 4:42 am)

    cool to see how the circuit are controlled and makes the injector fire.

    Tyler Miranda

    (September 14, 2019 - 4:42 am)

    definitely shows a good explanation of how the circuit is made to cause the pulse width modulation

    vinny maurer

    (September 14, 2019 - 4:42 am)

    cool explanation of how the pulsing is done.  

    Connor Barnes

    (September 14, 2019 - 4:42 am)

    good example of a basic injector circuit

    Tomy Woo

    (September 14, 2019 - 4:42 am)

    this helps me understand how an injector circuit works 

    Doug Lepera

    (September 14, 2019 - 4:42 am)

    great explanation of the injector wiring circuit.

    Daniel Choe

    (September 14, 2019 - 4:42 am)

    Cool

    Jeremy Copsey

    (September 14, 2019 - 4:42 am)

    Thanks for describing the ASD circuit

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