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  1. AnthonyR23

    Computer Pin Out for A9L

    okay I will do that.. working a 12 hour 2 30 am to 2 30 pm shift so won't be able to check it today.. but first thing I will do is check the voltage at the computer..
  2. AnthonyR23

    Computer Pin Out for A9L

    Found this from EEC Tuning Forum "The 'MAF Min Volts' (aka VMAMIN) is a limit indicating open circuit that is checked during normal running. Ideally it needs to be low enough not to trigger false error codes but still high enough to function correctly. Usually you datalog your MAF voltage and...
  3. AnthonyR23

    Computer Pin Out for A9L

    jrich is it possible that the maf error code has something to do with that it is a more accurate mass air meter. It is a brand new velocity meter from PMAS. It has 4 inch opening and I am using this with a 4 inch anderson powerpipe to 75mm accufab tb with 4 inch opening.. Was just thinking that...
  4. AnthonyR23

    Computer Pin Out for A9L

    Could my computer be bad?
  5. AnthonyR23

    Computer Pin Out for A9L

    So fired it up.. It runs still.. like idles alright.. can't breath though.. was running at 10 to 1 for a bit.. or 10.5... but still smells like gas in the air.. Rechecked engine running codes and got.. 98 and 66 Engine off Codes are 15 81 82 and 96
  6. AnthonyR23

    Computer Pin Out for A9L

    tried unplugging both solenoids for the tab tad.. and also unplugged maf meter.. unhooked ground from battery hooked back up.. retested with above unplugged.. got 15 81 82 and 96.. Then I hooked everything back up.. retested and still got 15 81 82 and 96...????
  7. AnthonyR23

    Computer Pin Out for A9L

    So I redid the engine off test.. and getting 15 81 82 and 96.. This is getting frustrating.. but I guess troubleshooting is troubleshooting..
  8. AnthonyR23

    Computer Pin Out for A9L

    pin c and d to ground both has no continuity so it isn't grounded out.
  9. AnthonyR23

    Computer Pin Out for A9L

    For code 66 I checked wiring from maf harness to computer at pin at 37/57 power, pin 40/60 ground, pin 9 and pin 50 with battery test light and all seem good. Now going to check resistance.. with maf unplugged.. it is a 93mm velocity maf meter from pmas.
  10. AnthonyR23

    Computer Pin Out for A9L

    Thanks jrich.. going it's pretty cold here today.. so good day to keep garage door closed.. I am going to check the maf circuit and see what I can find.. I'll post results! Thanks again!!!
  11. AnthonyR23

    Computer Pin Out for A9L

    For code 81 and 82 I checked both solenoids and they are both functional.. sucking vaccum through the bottom, when grounded it blocks the air from going through for both, and the wiring to the comp is continuous, and both are getting 12v.. Going to try engine off test again. Anything else I can...
  12. AnthonyR23

    Computer Pin Out for A9L

    checked continuity of pin 32 and pin 38 to the green wire and the white/red wire from the solenoids with a battery test light to the harness at computer. Had to take out that 10mm bolt and unhook computer to make sure I moved wires to 32 and 38 and they are both wired right. So now just...
  13. AnthonyR23

    Computer Pin Out for A9L

    Troubleshooting code 81 and 82. I am getting 12 volts to both red wires.
  14. AnthonyR23

    Computer Pin Out for A9L

    Think I'm out of gas!
  15. AnthonyR23

    Computer Pin Out for A9L

    New Results Hi, I have long way to go but have made some progress taking steps backwards.. with the base tune, after checking codes, I reset my idle screw to 1.5 turns and checked my tps voltage. with the engine running I can back the screw to 1 turn which will keep it running with iac...
  16. AnthonyR23

    Computer Pin Out for A9L

    ooops didn't put the original a9l on, still had the a9l with the first three changes posted above.. when I put the original one on.. lost some codes.. here is what I have with the original a9l bin. 21 24 81 82 and 96
  17. AnthonyR23

    Computer Pin Out for A9L

    15 PCM Read Only Memory (ROM) teat failed. 21 ECT out of Self-Test range MAP/BARO out of Self-Test range. 24 IAT out of Self-Test range. 81 Secondary -Air Injection Diverter (AIRD) solenoid circuit failure. 82 Secondary Air Injection Bypass (AIRS) solenoid circuit failure. 96 ???
  18. AnthonyR23

    Computer Pin Out for A9L

    Okay, so I put the original A9L factory tune in but changed engine displacement - 347, and cranking pulse vs ect and injector offset vs battery voltage. By .63. Only thing I want to make sure of is that I am multiplying the right side by .63. For cranking Pulse vs ect there is a DegF and...
  19. AnthonyR23

    Computer Pin Out for A9L

    Okay thanks guys, I will let you guys know how it goes tomorrow. I will get it out in the day and see what I can do.
  20. AnthonyR23

    Computer Pin Out for A9L

    Okay.. I will try that.. I feel like I have rechecked everything a hundred times and tried to mechanically adjust what I could.. I will download the stock a9l, I think I have the original copy but will download it just in case.. will try over the weekend.. It's very frustrating because I have...
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