fellayaboy Posted June 15, 2013 Share Posted June 15, 2013 hey i have code p1457 from OBD2 scan. The troubleshooting guide says to ground some pins from the ECU/PCM using a jumper wire... my ordeal is what type of jumper wire i use? what gauge? do i use a 18awg copper wire or a breadboard jumper wire such as here http://www.amazon.com/Breadboard-jumper-wire-75pcs-pack/dp/B0040DEI9M and after i find the cable, how exactly do i ground it. do i just touch any metal part of the car? Do i have to ground it specifically to another pin in the ECU/PCM that has ground? i wanna know so i could continue the process of testing my EVAP purge and vent solenoids.. thanks! Link to comment Share on other sites More sharing options...
James Matteu Posted June 16, 2013 Share Posted June 16, 2013 I use a small safety pin to poke the connector from behind. I use alligator jumper wires to connect the saftey pins to ground. I use the chassis next to the glove box for ground. Link to comment Share on other sites More sharing options...
fellayaboy Posted June 17, 2013 Author Share Posted June 17, 2013 thank you for your response James Matteu. ill simply just use any kind of wire...connect an alligator clip to one end of it and then pinch it to the chasis under the glove box..thanks man. does anyone know for sure if this is good too..just for a second opinion to be safe Link to comment Share on other sites More sharing options...
Xeryon Posted June 19, 2013 Share Posted June 19, 2013 James is a magician in regards to all things 94-02 Accord. I would take his recommendations without worry. Link to comment Share on other sites More sharing options...
fellayaboy Posted June 25, 2013 Author Share Posted June 25, 2013 thanks Xeryon, But james. how exactly do i stick the pin into the PCM.. should i make the pin as straight as possible or is it ok if its making contact with other surfaces... and u say from the back i actually havent seen the pcm yet in person (ive been seeing only pictures) it looks like there sonly a front side.....no back. Link to comment Share on other sites More sharing options...
James Matteu Posted June 25, 2013 Share Posted June 25, 2013 Watch the video, you'll see how I back-probe an ECU connection. http://www.hondaforums.com/topic/41819-intermittent-stumble-code-8/ Link to comment Share on other sites More sharing options...
fellayaboy Posted June 26, 2013 Author Share Posted June 26, 2013 james the video is private..i cannot watch it.. you need to make the video public on your youtube account i think Link to comment Share on other sites More sharing options...
James Matteu Posted June 26, 2013 Share Posted June 26, 2013 Fixed. Link to comment Share on other sites More sharing options...
fellayaboy Posted June 27, 2013 Author Share Posted June 27, 2013 excellent, i see it. that clears it up pretty much. thank you. later on ima ask how do i measure continuity on the purge and vent solenoids using a multimeter.. i dont know which dial to put the multimeter to check continuity. but thats for later..thanks again Link to comment Share on other sites More sharing options...
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