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Matthew Montalto

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  • in reply to: 98 Nissan Maxima – Computer Trouble #602906
    Matthew MontaltoMatthew Montalto
    Participant

      Thanks… ordered the part and the junkyard is shipping it to me… and it is only costing about 6 dollars to ship…. (and 75 for the part)… can really beat that… I have now a couple more videos…. One is showing a couple of discoveries I found… (that I never really noticed or paid much attention to before) First thing is a hose that I believe is connected to the transmission on one end… but I cannot find any where for the other end to go… and the other thing is a computer connector that I know I did not detach that is disconnected…
      The car is operating normally and no codes have surfaced…so I cam clueless about the plug… What I think the hose is… is for air to get to the transmission… though I would think that it should somehow be connected to the air intake assemble so that air is at least “filtered”…
      Just throwing these out to hear some opinions on the matter….. they second video is just basically to show a point on the vehicle where I believe the battery (neg.) cable is supposed to be in contact with vehicle’s body… So I had cleaned it up just to make sure the contact was good…
      Like I have said before… I make no claim to have any idea what I am doing… I just try and use the best logic I can with these things….

      *** Also… (this part of the post is for Eric).. I took the liberty of posting a link to your site in the description of my videos… I literately “stumbled” across your site (interesting story for another time), so I wanted to help anyone who stumbles onto my videos so that they can be pointed in a direction where they can get some real help… — Heck, I might even just throw an ad for you on my website… just for the heck of it… my site at the moment has very little traffic though.. Thanks again for every thing.. below is the first video link…. I will post the second when it finishes uploading…Thanks everyone for listening

      – Matt

      Here is that second one:

      in reply to: 98 Nissan Maxima – Computer Trouble #594490
      Matthew MontaltoMatthew Montalto
      Participant

        I certainly will… thank you for creating this great venue to talk with other like minded people… and thanks for the great videos…. I watched all your electrical troubleshooting ones and that was how I was able to make the decision to buy the new cluster…. Also…. I enjoyed your ETCG1 video this week… believe me… what you do… does matter a lot… Thank God there are still good people left in this world such as yourself… Thanks again… I am a computer tech by trade, so if ever I can help you out with something, please don’t be afraid to ask…. Appreciate all you do… take care for now…

        – Matt

        in reply to: 98 Nissan Maxima – Computer Trouble #602448
        Matthew MontaltoMatthew Montalto
        Participant

          I certainly will… thank you for creating this great venue to talk with other like minded people… and thanks for the great videos…. I watched all your electrical troubleshooting ones and that was how I was able to make the decision to buy the new cluster…. Also…. I enjoyed your ETCG1 video this week… believe me… what you do… does matter a lot… Thank God there are still good people left in this world such as yourself… Thanks again… I am a computer tech by trade, so if ever I can help you out with something, please don’t be afraid to ask…. Appreciate all you do… take care for now…

          – Matt

          in reply to: 98 Nissan Maxima – Computer Trouble #594426
          Matthew MontaltoMatthew Montalto
          Participant

            I spoke with my mechanic. He said that it is likely a diode gone bad in the dash itself. (He said that when they send them out to be rebuilt, it is $500 and up)… so the 75 dollar one from the junkyard is a home run… so I just ordered it… they are going to ship it out to me today and I should have it by Thursday. I took a short video driving in to work this morning that shows what is happening with the panel… have put it up on youtube if you (or anyone for that matter) want to see the symptom… here is the link….

            Thanks again for listening

            in reply to: 98 Nissan Maxima – Computer Trouble #602382
            Matthew MontaltoMatthew Montalto
            Participant

              I spoke with my mechanic. He said that it is likely a diode gone bad in the dash itself. (He said that when they send them out to be rebuilt, it is $500 and up)… so the 75 dollar one from the junkyard is a home run… so I just ordered it… they are going to ship it out to me today and I should have it by Thursday. I took a short video driving in to work this morning that shows what is happening with the panel… have put it up on youtube if you (or anyone for that matter) want to see the symptom… here is the link….

              Thanks again for listening

              in reply to: 98 Nissan Maxima – Computer Trouble #594337
              Matthew MontaltoMatthew Montalto
              Participant

                I did check the voltage… was reading 12.47 so just good enough really…. I looked all over for any ground points to clean… I have a good friend who is a mechanic so I think I will give him a call as well… see what he thinks… As for the part… I spoke to a junkyard and I can pick one up for about 75 bucks…

                But I agree with you in that I would not have all these failures at once, and bad wires would more likely mean the gauges would not work at all… So after checking battery voltage, fuses and the grounds… that leaves the dash or the car’s computer itself… But I figure that if there was trouble with the computer itself… I would see other signs too…

                Last night after putting all the intake assembly back together, I accidentally forgot to plug in the mass airflow sensor… I started the engine and it threw a P100 right off the bat… I plugged it in and reset the code and no problem since…. So I would take that as an indication that the computer is operating in a normal fashion….

                Will try and piece some of these video clips together… I am ultimately “terrible” as doing videos… heck I am a total amateur at the repair work itself… trying to manage taking video as well… forget it… but I will try and post something…

                I was pleasantly surprised at how easy it was to actually get at the instrument panel and take it out…

                Like I said before though.. I wasn’t able to disconnect the speedometer connection though…. so still have to figure that one out…..

                Thanks again for the thoughts and discussion

                – Matt

                in reply to: 98 Nissan Maxima – Computer Trouble #602302
                Matthew MontaltoMatthew Montalto
                Participant

                  I did check the voltage… was reading 12.47 so just good enough really…. I looked all over for any ground points to clean… I have a good friend who is a mechanic so I think I will give him a call as well… see what he thinks… As for the part… I spoke to a junkyard and I can pick one up for about 75 bucks…

                  But I agree with you in that I would not have all these failures at once, and bad wires would more likely mean the gauges would not work at all… So after checking battery voltage, fuses and the grounds… that leaves the dash or the car’s computer itself… But I figure that if there was trouble with the computer itself… I would see other signs too…

                  Last night after putting all the intake assembly back together, I accidentally forgot to plug in the mass airflow sensor… I started the engine and it threw a P100 right off the bat… I plugged it in and reset the code and no problem since…. So I would take that as an indication that the computer is operating in a normal fashion….

                  Will try and piece some of these video clips together… I am ultimately “terrible” as doing videos… heck I am a total amateur at the repair work itself… trying to manage taking video as well… forget it… but I will try and post something…

                  I was pleasantly surprised at how easy it was to actually get at the instrument panel and take it out…

                  Like I said before though.. I wasn’t able to disconnect the speedometer connection though…. so still have to figure that one out…..

                  Thanks again for the thoughts and discussion

                  – Matt

                  in reply to: 98 Nissan Maxima – Computer Trouble #594323
                  Matthew MontaltoMatthew Montalto
                  Participant

                    Well I checked all the vehicle’s fuses and I did the battery terminal cleanup and cleaned up the battery’s main ground to the engine and upon reconnecting the dash acted normal… after a few restarts though, the problem returned. So I decided to start pulling out the dash… (I did this with the engine running to see if there were any loose wire issues…) At one point in the process, the panel went back to normal… so I screwed it back in and at some point it went back to the problem again….

                    So I pulled it out again and spent some time pulling out the plugs from the back and re-seating….However, the problem remained….

                    Based on the facts, which I will restate here in a second.. I think the dash itself may be the problem… I would love to know if anyone agrees or disagrees with this logic….

                    Here are the facts (of the dash symptoms): [Assume the dash is acting normally and about to exhibit the problem….] When I turn the key to ACC. the temp needle and the fuel gauge needle go straight to “all the way” hot and “all the way” full…. The Odometer says 999999 and when I start the engine, the speedometer does not work at all and the rpm needle bounces erratically around 1000 rpms.

                    When I turn the key back to off… the temp & rpm needles will drop (like they normally should), but the fuel one remains at “all the way” full…. Even when I disconnected all the plugs from the back of the dash, the fuel gauge still remained at “all the way” full.

                    So logically I am inclined to think that there must be a problem with the dash itself. I am thinking of changing it if I can pick one up at a junkyard… however, I am not sure as to how to change the connection on the back for the speedometer (it is not a simple plug like all the rest of the connections) Anyone have any experience with that? I am thinking that I may have to pop off the front plastic and detach the connection with the 2 little screws that are on either side on the needle in the front….

                    Anyway…. in the process I tried to take some (very amateur) video and some pictures… If anyone is interested to see any of it, please let me know and I will try an post it on youtube. Thanks all for listening and the thoughts and advise….

                    – Matt

                    in reply to: 98 Nissan Maxima – Computer Trouble #602282
                    Matthew MontaltoMatthew Montalto
                    Participant

                      Well I checked all the vehicle’s fuses and I did the battery terminal cleanup and cleaned up the battery’s main ground to the engine and upon reconnecting the dash acted normal… after a few restarts though, the problem returned. So I decided to start pulling out the dash… (I did this with the engine running to see if there were any loose wire issues…) At one point in the process, the panel went back to normal… so I screwed it back in and at some point it went back to the problem again….

                      So I pulled it out again and spent some time pulling out the plugs from the back and re-seating….However, the problem remained….

                      Based on the facts, which I will restate here in a second.. I think the dash itself may be the problem… I would love to know if anyone agrees or disagrees with this logic….

                      Here are the facts (of the dash symptoms): [Assume the dash is acting normally and about to exhibit the problem….] When I turn the key to ACC. the temp needle and the fuel gauge needle go straight to “all the way” hot and “all the way” full…. The Odometer says 999999 and when I start the engine, the speedometer does not work at all and the rpm needle bounces erratically around 1000 rpms.

                      When I turn the key back to off… the temp & rpm needles will drop (like they normally should), but the fuel one remains at “all the way” full…. Even when I disconnected all the plugs from the back of the dash, the fuel gauge still remained at “all the way” full.

                      So logically I am inclined to think that there must be a problem with the dash itself. I am thinking of changing it if I can pick one up at a junkyard… however, I am not sure as to how to change the connection on the back for the speedometer (it is not a simple plug like all the rest of the connections) Anyone have any experience with that? I am thinking that I may have to pop off the front plastic and detach the connection with the 2 little screws that are on either side on the needle in the front….

                      Anyway…. in the process I tried to take some (very amateur) video and some pictures… If anyone is interested to see any of it, please let me know and I will try an post it on youtube. Thanks all for listening and the thoughts and advise….

                      – Matt

                      in reply to: 98 Nissan Maxima – Computer Trouble #594175
                      Matthew MontaltoMatthew Montalto
                      Participant

                        Thanks… yes, still going to start with the basics… like we all seem to agree.. the problem is more that just one gauge … so could be something more general… I will report the finding as they arise… stuck at work though until 5pm
                        Thanks again….

                        – Matt

                        in reply to: 98 Nissan Maxima – Computer Trouble #602089
                        Matthew MontaltoMatthew Montalto
                        Participant

                          Thanks… yes, still going to start with the basics… like we all seem to agree.. the problem is more that just one gauge … so could be something more general… I will report the finding as they arise… stuck at work though until 5pm
                          Thanks again….

                          – Matt

                          in reply to: 98 Nissan Maxima – Computer Trouble #594170
                          Matthew MontaltoMatthew Montalto
                          Participant

                            Thank you… unfortunately this link reports that it is an invalid url.

                            in reply to: 98 Nissan Maxima – Computer Trouble #602082
                            Matthew MontaltoMatthew Montalto
                            Participant

                              Thank you… unfortunately this link reports that it is an invalid url.

                              in reply to: 98 Nissan Maxima – Computer Trouble #594157
                              Matthew MontaltoMatthew Montalto
                              Participant

                                thanks…. after looking at ETCG video on electrical troubleshooting, I think I am going to start with a simple battery cable clean up… even though they looked alright… also he mentions in the video http://www.bbbind.com/ which happened to have a bunch of wiring diagrams for my vehicle. Going to check it out this evening after work.. thanks again for the help..

                                – Matt

                                in reply to: 98 Nissan Maxima – Computer Trouble #602068
                                Matthew MontaltoMatthew Montalto
                                Participant

                                  thanks…. after looking at ETCG video on electrical troubleshooting, I think I am going to start with a simple battery cable clean up… even though they looked alright… also he mentions in the video http://www.bbbind.com/ which happened to have a bunch of wiring diagrams for my vehicle. Going to check it out this evening after work.. thanks again for the help..

                                  – Matt

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