Question about Nissan Z

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Thie the fourthtime i need to know how to read the code on my 1991 nissan 300 zx twin turbo i have the compurer out under the passengers foor have fliped the switch and the dash is not goveing me any codes need to know the steps and the codes

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  • larocka Oct 10, 2010

    need to knoiw what code 55 is

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Hi,

  • Remove the trim panels in front of the center console. Locate the engine computer attached to a floor-mounted bracket on the transmission tunnel between the console and the firewall.
  • Turn the diagnostic mode selector, located in a round opening on the side of the engine computer, until it stops. Observe the small red and green LED lights on the side of the computer next to the mode selector. They will flash to indicate the modes, with a pause between each mode. One quick flash is mode one, two quick flashes is mode two and so on. When the light flashes indicate mode three, quickly turn the mode selector counterclockwise until it stops. You have entered mode three diagnostics.
  • Observe the red and green LED lights on the side of the computer. The red light flashes to indicate the "Tens" digit of the code and the green light flashes to indicate the "Ones" digit of the code. For example, if the red light flashes two times and the green light flashes seven times, this would indicate code 27.
  • Turn the ignition key off for two minutes to exit diagnostics. The computer will automatically return to mode one for normal operation.

Posted on Oct 10, 2010

  • Tunde Autos
    Tunde Autos Oct 10, 2010

    I have the list of all the code here with me and code 55 means "No Malfunction"....

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