99 honda accord main relay testing software

Tsb home 1999 1999 honda 1999 honda accord the following tsbs may apply to your 1999 honda accord. Checking main relay 6th gen accord 9802 all youtube. A very common and wellknown problem with 90s hondas is a failure of the main relay. Unfollow honda main relay to stop getting updates on your ebay feed. This ground triggers one of the pgmfi internal relays that sends battery voltage to the fuel pump for two seconds to pressurize the fuel system. If it does the distributor is sending a signal to the main relay and the main relay is sending power to the fuel pump and the fuel pump is operative. Genuine oem honda acura main fuel relay 39400s01a01 ebay. Replacing main relay 1993 honda accord ok,everyone who has told and asked me questions. Where is the fuel pump relay located on a honda accord 1999. Pgmfi main relay the pgmfi relay contains two separate relays. No spark and no signal to the auto scanner 1996 honda accord. This guide will teach you how to diagnose, locate, remove, and repair the main relay in a 1999 honda accord lx 4 cyl. Honda pgmfi main relay testing 1998 honda prelude how to test and fix a main relay on a honda or acura. Typically, the main relay on a honda accord rests behind the dashboard to the right or left of.

The main relay is inexpensive to buy and easy to install. My 99 honda accord suddenly shuts off while im driving. How much will it cost to have my main relay replaced on my. Most of the time they are replaced by mechanics who figure it must be the fuel pump, when it really isnt. Knowing how to test a honda main relay can help you better pinpoint the cause when an electrical issue arises. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. The pgmfi main relay is actually comprised of two individual internal relays. Checking main relay, with pics hondatech honda forum. So far, ive ruled out the main relay, ignition switch, and the harness to the eld. If not distributor may not be sending a signal to the main relay under the dash drivers side or the main relay has failed or. My scanner gave me code p1298 which could still be several things according to the repair guide but first i would like to replace the eld. How to test and fix a pgmfi main relay hondaacura youtube. How to replace the main relay in a honda accord it still.

Standard motor products ry422t fuel injection main relay. The safest way to test a headlight relay is to replace it with a known good one. I have an 87 accord lxi and the relay testing procedure is exactly the same. Left it in a lot for 15 minutes, came back, started, then died. This article applies to the honda civic 19922000, and accord 19902002. Keep in mind that the socket attaches to the relay via a tab that locks the relay to the socket. Lately, my car has been turning off suddenly while im driving. Also, to be on the safe side, i wrap all the exposed wires with plastic tape any 99c cheap tape seem to do the trick. If you dont have a spare, your auto supply store may have a return policy, so you could always buy one. If you have a 1998 2002 honda accord that has a problem with the engine stallingdying on you when you are driving, i recommend doing two things. As further identification honda ecus have a software revision number inside the ecu. Your problem sounds very much like the common main relay issue, the other resouces i mention in the posts can provide additional information on the problem.

When it comes to your honda accord, you want parts and products from only trusted brands. Since this is not readily repairable, i ordered a used replacement from a. If your fuel economy suddenly declines, resetting the ecu can at least provide a temporary fix. This engine was used in the 19982002 honda accord ulev models. Alternately, you can remove a working relay from elsewhere in the box and plug it into the headlight relay socket. If the main relay fails, it often causes a nofuelpressure condition, which leads to a nostart. This is a 1999 honda accord with an intermittent no start complaint. Buy a 1999 honda accord main relay at discount prices. Below is a helpful guide to determine if you have a faulty ecu. How to replace the main relay in a honda accord it still runs.

Positions of relays in fuse box of honda accord 2003 motor. Hello, i have seen several diagrams for the location of the pgmfi main relay and all indicates that its located inside the dashboard, if thats true is the only to get to it is by removing the dash board or is there another way. The mechanic you took it to should have known about this relay commonly failing. Checking main relay 6th gen accord 9802 all james earl. We can save you the time and money by testing your ecu dme before spending on costly diagnostic labor and sensors. Cranked over just find but not a single sputter or pop.

If there are no tsbs listed for your vehicle, that. If it had not fixed the problem on the accord, at least i would have known what it wasnt. Operation and testing of a honda main relay pgmfi an sd premium. How do i test the fuel pump on a 1992 honda accord. There are many reasons why you could have an faulty ecu. There are several reasons why you may need to reset your cars engine control unit ecu. If your relay has zero continuity in this test, it will need a replacement, if there is continuity, go to the next step. First tried to determine whether it was fuel or ignition. Its not a common honda engine swap, but the chassis is still fairly popular today. Aug 03, 2010 i have a 1999 accord that is having a nonstart issue of course.

How to identify a bad main relay on a honda pgmfi youtube. There has been a recall on honda accords from 19992002 due to the ignition switch wearing prematurely this may cause the same engine behavior as a faulty main relay. Honda civic acura integra oem mitsuba rz02 main fuel pump relay japan. My daughter in college needed a car and my mother in laws next door 93 y.

The source of the information below is the national highway transportation safety administration nhtsa, which maintains tsbs for vehicles sold in the united states. As a result, we provide an extensive selection of high quality honda accord repair parts manufactured to restore your vehicle to like new condition at the most attractive prices. This engine was used in the 19982002 honda accord dx, the 19982002 honda accord lxi in new zealand and the 2002 honda accord lx vp value package in north america. If not distributor may not be sending a signal to the main relay under the dash drivers side or the main relay has failed or the fuel pump has failed. When it wont start, i dont see the green keyimmobilizer light come on the dash, and i cant shift the car out of park. Aug 16, 2011 this pgmfi relay is not only in honda but acura will also have the same issues. Then id use an old butterknife that i kept in the car to link the negative and positive on the starter and make the starter crank over. Mar 11, 2015 after 15 minutes, turn the ignition off and immediately back on. Where is the location of the fuel pump relay on a 1999 honda accord lx. Where is the main relay on a 1999 honda accord lx answers. Undo the connection, put the new relay in its place. I check the main relay that have the click sound when you turn the key on.

Pgmfi main relay for 1992 honda accord lx maintenance. Look for it on the drivers side inside the lower kick panel, in the engine. Its much less hassle than running out on even one rescuerepair mission. When i try to turn it back on again it wont turn on for at least another 5 tries, sometimes that doesnt even work so what i do is while its attempting to turn on after i turn the switch, i turn it one more time this would usually cause your car to make that funky noise, but in my case it doesnt and it will turn back on. Unplug the honda accords relay from the main relay socket, which is the base connected to the wiring.

Advance auto parts has 1 different main relay for your vehicle, ready for shipping or instore pick up. How much will it cost to have my main relay replaced on my 99. We earn on qualifying purchases from this website through amazon associates and other affiliate programs. The main relay sends power to the fuel pump and other systems on most hondas of this vintage. Accord and prelude ecus can use a letter and number code.

At the moment, this bypass works on any civic accord from 1994 to 2006 that is equipped with an eld. If you do a search on this number or this number and the manufacturer e. To test your honda main relay, first connect pin 2 terminal on your relay to the positive terminal on your battery and the negative to pin 1 terminal. I have a 1999 accord that is having a nonstart issue of course. It is usually clipped in and or held in place by one or two screws 10 mm screws or nuts. Be sure to subscribe for more tool and car repair videos. Tsb home 1998 1998 honda 1998 honda accord the following tsbs may apply to your 1998 honda accord. Aug 14, 2011 lately, my car has been turning off suddenly while im driving. Without touching any of the wires, push in the tab to release the relay or use a pocketknife to pop the relay from the socket base. Main relay causing starting and stalling issues on a 1993. The first will be the part number which will describe the configuration of the relay the number of contacts, whether they are normally closed on or normally open off, etc.

It could take up to one tank of gasoline for the system to learn your vehicles aftermarket parts or accessories, and create a new performance memory. Honda accord questions power windows not working cargurus. Common replacement part to fix defective main fuel pump relay. If you have difficulty locating it, then confirm the exact location using the. Im not saying that the main relay is always the problem, but it is a common point of failure on hondas.

Late 2006 and newer models, the eld wire colors have been changed, but the process remains the same. Choose top quality brands forecast, standard motor products. Google honda accord fuel pump relay, do a little research first if you care to. Positions of relays in fuse box of honda accord 2003. Late 2006 and newer models, the eld wire colors have been changed, but. Repairing 19982002 honda accord main relay 1998, 1999, 2000.

Power windows not working i have a 2006 honda accord and the. If you have any questions, please call 1877advance 2382623 or visit any advance auto parts store. Without touching any of the wires, push in the tab to release the relay or. Pg6 earlier obd0 models of the integra, this honda ecu is found in the 19881989 acuras. How to test and replace a honda andor acura main relay. The second relay is energized to supply power to the fuel pump for two seconds when the ignition is switched on ii, and when the engine is running. Now check for continuity between pin 5 and pin 4 of the pgmfi relay. The main relay in a vehicle controls the fuel pump and supplies power to the injectors. On most honda accords, the main relay is located on the dash on the drivers hand side usually to the left of the steering column. How to test and replace main relay honda acura 9200 car no. When you turn the ignition to on, you should hear the fuel pump run. The widest range of products, outstanding quality, and affordable prices are the three pillars on which carid bases its work. Honda accord parts replacement, maintenance, repair. The diodes are the triangle arrow looking symbols in the main relay diagram.

May 24, 20 ok,everyone who has told and asked me questions. This is usually a two or three digit number stamped on the 28 pin rom, or main processor. Unplug the honda accord s relay from the main relay socket, which is the base connected to the wiring. Repairing 19982002 honda accord main relay 1998, 1999. Fill out the repair and return form and send us your unit today.

How to diagnose your engine control unit symptoms of bad. Engine performance diagnostics chapter 18 no start with good spark, fuel and compression. One is energized whenever the ignition is on which supplies battery voltage to the ecmpcm, power to the fuel injectors, and power for the second relay. Honda accord 2015, multi purpose relay by world source one. Perform this simple test to check the main relay function in a honda accord, honda civic, or other honda vehicle. Buy a 1999 honda accord flasher relay at discount prices. This other post describes how i went about identifying a failed ignition module and testing the injectors. The advance auto parts core charge presented to you online today with your item is representative of the most common core charge. We will share this website for you articles and images of wiring diagrams, engine schemes, engine problems, engine diagrams, transmission diagrams. When the ignition switch is initially turned on, the powertrain control module pcm supplies ground to the pgmfi main relay. Honda accord starter relay location welcome, thank you for visiting this simple website, we are trying to improve this website, the website is in the development stage, support from you in any form really helps us, we really appreciate that.