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Thread: No Instrument cluster diagnostic lights

  1. #1
    Registered Member

    2003 Mazda 6 3.0L V6

    Join Date
    Apr 2017
    Location
    Ohio, USA
    Posts
    2

    No Instrument cluster diagnostic lights

    When I turn the key to start the car I don't get any of the diagnostic lights.
    I didn't realize it until after I bought the car.
    Everything seems to run alright. I checked all the fuses under the steering wheel and under the hood, nothing blown there...

    Sent from my SM-G930P using Tapatalk

  2. #2
    Registered Member DrFeelGood's Avatar

    Mazda 6s Wagon

    Join Date
    Oct 2017
    Location
    Portland, OR
    Posts
    5
    Pull the cluster out and check the connectors. I am assuming the gauges work properly?

    Two screws at the top and pull the clips on the bottom to remove the bezel
    Three screws to pull the whole cluster.

    Instrument Cluster User Diagnostics


    1. Insert car key into ignition
    2. Press and hold Odometer Trip Reset switch on the instrument cluster
    3. Turn car key to the ON position
    4. Wait 4 seconds until you see the words "TEST" displayed on the instrument cluster
    5. Let go of the Odometer Trip Reset switch

    Pressing the Trip Reset button will now cycle through a series of diagnostic tests.

    The following DTCs (Diagnostics Test Codes) will be displayed with each press of the
    Trip Reset.


    DTC
    Display
    Test Description


    01
    On/Off
    Drive side Seatbelt engaged/disengaged

    04
    On/Off
    Door open, door close

    08
    TNS relay
    Lights on reminder buzzer - requires relay access to test

    12
    Speedometer
    Performs a full Speedometer sweep from 0 to Max then comes to rest at 60kph or 37 mph

    13
    Tachometer
    Peforms a full Tachometer sweep from 0 to Max them comes to rest at 3K rpm

    14
    On/Off
    Tests instrument cluster buzzer sound

    16
    On/Off
    Cycles On/Off and fuel warning light

    18
    On/Off
    Flashes Ignition key illumination on/off

    22
    Numeric
    Displays fuel sender's current fuel level

    23
    Fuel guage
    Performs a full sweep of the fuel empty/full guage

    25
    Temp guage
    Performs a full sweep of the engine temperature guage

    26
    LED
    Full LCD illumination test

    31
    Key reminder
    Displays key position

    Lets hope 26 makes you look like this.

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