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Thread: ECU light never comes on when starting car

  1. #1
    DX User
    Join Date
    Jun 2023
    Vehicle
    1987 Honda Accord LXi Hatchback
    Location
    Atlanta
    Posts
    3

    ECU light never comes on when starting car

    What is the expected behavior of the ECU diagnostic light under the seat on an '87 Accord LXi? Mine never comes on when I turn the key to accessory or start the engine. I thought I read somewhere that its supposed to light up for like 2 seconds as a bulb/LED test. What's correct?



  2. #2

    ShiRen's Avatar
    Join Date
    May 2018
    Vehicle
    87 Accord DX
    Location
    MO
    Posts
    1,179

    Re: ECU light never comes on when starting car

    Did you check if it is burned out

  3. #3


    Join Date
    Nov 2004
    Vehicle
    88 LXi
    Location
    Knoxville TN
    Posts
    5,208

    Re: ECU light never comes on when starting car

    I think the 2 second part is the ECU light on the dash board.
    1988 Lxi owner since August 1995
    336k miles running strong!
    Now running E85.

    Oldblueaccord <<< MY YOUTUBE PAGE!

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