OK, what did I screw up..

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  • Triple G
    Noobie
    • Jan 2010
    • 13

    #1

    OK, what did I screw up..

    Pretty sweet first post. Here we go:

    Bought the car a couple weeks ago. The service indicator light on the cluster was tapped over. PO said the the PO before him had tapped it over since he didn't know how to reset it.

    Well yesterday I decided to get the tape off and reset the indicator as per some instructions I found.

    Heres where I fucked up. I mistook the (I'm assuming the C101 plug) that runs along the firewall for the diagnostic plug located beside the dip stick.
    Found that information a little to late...

    From what I can tell I connected pin 13 and pin 10 together on the C101 plug, and then pin 5 and pin 7 in another attempt to reset the light.

    As far as I know:

    Pin 5 = Oil Pressure
    Pin 7 = Terminal 15 is not secured
    Pin 10 = Oil level dynamically
    Pin 13 = Electric Fuel Pump

    I then realized I was at the incorrect plug. Found the diagnostic plug and successfully rested the service indicator. Got everything back together and now the car won't start..

    Did I fry something in the ECU?

    This is on a 1990 325iS

    Thank
    1996 Porsche C4S - Guards Red

    1991 BMW 325i - Green
  • DREWHALL
    E30 Fanatic
    • Feb 2006
    • 1207

    #2
    Did you check fuses?

    Comment

    • Triple G
      Noobie
      • Jan 2010
      • 13

      #3
      Yes, a few times over.
      1996 Porsche C4S - Guards Red

      1991 BMW 325i - Green

      Comment

      • PeaveyBassist
        No R3VLimiter
        • Sep 2004
        • 3511

        #4
        Check the glovebox for exploded ecu.
        RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
        Welcome e30 (brilliantrot '90 325is) 12/23/06
        DaveCN = Old Man
        My signature picture was taken by ME! Not by anyone else!



        Originally posted by george graves
        If people keep quoting me in their sig, I'm going to burn this motherfucker down.

        Comment

        • Triple G
          Noobie
          • Jan 2010
          • 13

          #5
          Removed ECU and opened it up. Nothing looked "exploded"
          1996 Porsche C4S - Guards Red

          1991 BMW 325i - Green

          Comment

          • 87-325ic
            E30 Enthusiast
            • Apr 2006
            • 1198

            #6
            would it start before you reset the SI lights?

            awesome intro by the way.. welcome aboard.

            Comment

            • Triple G
              Noobie
              • Jan 2010
              • 13

              #7
              Yes it started before I set out to try and reset the service indicator.
              1996 Porsche C4S - Guards Red

              1991 BMW 325i - Green

              Comment

              • NC325iC
                R3V OG
                • Mar 2004
                • 6565

                #8
                check your main relay and FP relay.

                i wouldnt doubt you cooked a relay
                Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

                Originally posted by TimKninja
                Im more afraid of this thread turning into one of those classic R3v moments, where Pizza gets delivered.

                Comment

                • Triple G
                  Noobie
                  • Jan 2010
                  • 13

                  #9
                  Will do this afternoon. Thanks
                  1996 Porsche C4S - Guards Red

                  1991 BMW 325i - Green

                  Comment

                  • Triple G
                    Noobie
                    • Jan 2010
                    • 13

                    #10
                    Relays are good.
                    1996 Porsche C4S - Guards Red

                    1991 BMW 325i - Green

                    Comment

                    • 10yre30r
                      Member
                      • Jan 2010
                      • 97

                      #11
                      Will it at least turn over ?
                      sigpic

                      Comment

                      • Triple G
                        Noobie
                        • Jan 2010
                        • 13

                        #12
                        Yes it turns over. Makes no attempt to catch or starting firing though.
                        1996 Porsche C4S - Guards Red

                        1991 BMW 325i - Green

                        Comment

                        • iignite
                          Advanced Member
                          • Oct 2008
                          • 125

                          #13
                          check for spark when cranking first, or if anything, just swap a readily avail ecu.

                          it is rather simple to

                          Comment

                          • Triple G
                            Noobie
                            • Jan 2010
                            • 13

                            #14
                            No spark.
                            1996 Porsche C4S - Guards Red

                            1991 BMW 325i - Green

                            Comment

                            • PeaveyBassist
                              No R3VLimiter
                              • Sep 2004
                              • 3511

                              #15
                              Are the injectors opening? Check by putting a screwdriver on them while cranking. Put your ear up to the end of the screwdriver and you'll hear them clicking if they are opening. If you hear nothing, then the ecu is not telling them to open, or there is an open in the wiring from the ecu to the injectors.
                              RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
                              Welcome e30 (brilliantrot '90 325is) 12/23/06
                              DaveCN = Old Man
                              My signature picture was taken by ME! Not by anyone else!



                              Originally posted by george graves
                              If people keep quoting me in their sig, I'm going to burn this motherfucker down.

                              Comment

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