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08 Prius MFD service check NO GW connection

Discussion in 'Gen 2 Prius Main Forum' started by ColoradoCrow, Nov 9, 2020.

  1. ColoradoCrow

    ColoradoCrow Active Member

    Joined:
    Sep 2, 2019
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    Location:
    Leawood, KS
    Vehicle:
    2008 Prius
    Model:
    I
    Hi. Where do I start on fixing this problem?
    the MFD doesn’t get data from the engine or temperature from the climate control.
    EMV OK
    Audio HU. NCON but I have an aftermarket unit
    G/W NCON

    under the LAN Monitor sub menu I have

    EMV CHEK
    audio H/U. NCOn
    g/w NCOn

    Where Do I start fixing this problem?
     
  2. TMR-JWAP

    TMR-JWAP Senior Member

    Joined:
    Aug 12, 2016
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    Location:
    Columbia, SC
    Vehicle:
    2007 Prius
    Model:
    Touring
    My first question would be 'when did this problem begin?'

    Did you install the aftermarket audio or a previous owner?
    Did everything work prior to the installation and afterward?
    Was the MFD removed for working on the audio?
    Have you already verified all the connectors supposed to be connected to the MFD actually are connected? It can be easy to miss one, depending on the model.
    Did the audio installation require cutting/splicing of wires or was it all premanufactured pigtails/adapters?
     
    SFO likes this.
  3. ColoradoCrow

    ColoradoCrow Active Member

    Joined:
    Sep 2, 2019
    909
    368
    1
    Location:
    Leawood, KS
    Vehicle:
    2008 Prius
    Model:
    I
    OK problem solved. My 68 ohm resistor I installed for the Aftermarket radio had a loose connection and fell out when I checked it. I soldered it properly this time. So far everything is Ok including the self check from the MFD unit. So. Be sure to solder and not wrap the wires together like I did the first time. It lasted 6 months. yuck.