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Thread: Catalytic converter sensor

  1. #1
    Join Date
    Apr 2010
    Location
    Japan
    Posts
    411

    Catalytic converter sensor

    My catalyst heat light comes on intermittently, even when cold. Car is running fine. I suspect the sensor in the cat, so where can I conveniently disconnect the lead? The armored cable seems to pass up into the chassis above the catalyst. I'd rather not open the cluster if I don't have to. Thanks,
    Steve


    Past Hondas:
    1960 125cc Honda Benly CB92R
    1964 305cc Super Hawk CB77, the only vehicle I have ever bought new in my life!
    Honda CB160, roadraced as 175cc 1967-1970.
    Honda Lawnmower, bought used in 2003, caught fire and melted in 2005.

  2. #2
    Join Date
    Sep 2013
    Posts
    90
    hi steve
    if you jack up car and take nsr wheel off you will be able to see the wiring loom as it goes up inner chassis leg
    about a foot up there are two multiplugs the smaller one (single wire )can be disconnected and earthed out
    (larger one is for oxygen sensor )
    there is a convenient 10 mm bolt that allows you to make the connection
    all you need is a piece of wire and a few connectors
    this way it can be reinstated at a later if needed

    good luck mikei

  3. #3
    Join Date
    Apr 2010
    Location
    Japan
    Posts
    411
    Quote Originally Posted by mikei View Post
    hi steve
    if you jack up car and take nsr wheel off you will be able to see the wiring loom as it goes up inner chassis leg
    about a foot up there are two multiplugs the smaller one (single wire )can be disconnected and earthed out
    (larger one is for oxygen sensor )
    there is a convenient 10 mm bolt that allows you to make the connection
    all you need is a piece of wire and a few connectors
    this way it can be reinstated at a later if needed

    good luck mikei
    Many thanks Mike. I'll get on it tomorrow.
    Steve


    Past Hondas:
    1960 125cc Honda Benly CB92R
    1964 305cc Super Hawk CB77, the only vehicle I have ever bought new in my life!
    Honda CB160, roadraced as 175cc 1967-1970.
    Honda Lawnmower, bought used in 2003, caught fire and melted in 2005.

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