Question about 1999 Nissan Altima

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Unable to communicat to the OBD2 for a 1999 Nissan Altima

Check Engine light is on, when connected to the OBD2 to read the error there is no connection. For some reason unable to communicate. And so, a communication error is shown. Im trying to pass the E-check but the engine light is on, and there is a communication link error. When i did the alternate test there was to much NOx being emitted, and so I dont know where to start.

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  • yadayada
    yadayada May 11, 2010

    check for blown fuses, most times the problem is no 12 volts to the test connector.



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Up to 99 or 2000 model maxima's arent OBD II. There is a OBD I connector located behind the fuse box cover inside the car. It is a grey connector.

Posted on May 14, 2009

  • mikefixsit
    mikefixsit Dec 20, 2012

    wrong ^ 96 and newer nissan's are OBD2



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if the scanner will not communicate with the ECm, First check all the fuses under the hood. If all is well, make sure you have the key on and not off or running. If all is good there then the computer for the car has taken a vacation on you and will need to be taken to the dealership for repair/re-programming.

Aug 10, 2009 | 1999 Nissan Altima

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