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Some issues

Discussion in '4th Generation Honda Civic (1988-1991)' started by chaboicrosby, Sep 1, 2017.



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  1. boofoo

    boofoo Respected Registered VIP

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    D15B2 is sufficient.
     
  2. chaboicrosby

    chaboicrosby New Member

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    Transmission is manual 5 speed and it's a 2gh ed6 3


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  3. boofoo

    boofoo Respected Registered VIP

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    Great. Do you know how to measure resistance/Ohms with your multimeter? If not, post a pic of your multimeter.
     
  4. chaboicrosby

    chaboicrosby New Member

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    No i do not[​IMG]


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  5. boofoo

    boofoo Respected Registered VIP

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    First test:

    Turn key OFF.

    Unplug ECU connector C (see C453 in diagram).

    At pins 1 and 2 in C453 is an Orange wire and a White wire.

    Measure resistance between pins C1 and C2 in unplugged C453.

    pic_10.jpg
     
  6. chaboicrosby

    chaboicrosby New Member

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    I got as far as turning the key off to understanding that to be honest.


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  7. boofoo

    boofoo Respected Registered VIP

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    Dial your multimeter to the circled position.

    Then select to measure resistance (horseshoe symbol).

    Questions so far?

    9fd55edfa4e6be0dd4c638bfa468a1ab.jpg
     
  8. chaboicrosby

    chaboicrosby New Member

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    Does that look correct? [​IMG]


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  9. boofoo

    boofoo Respected Registered VIP

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    Looks good. What's the reading if you touch and hold the red and black probes together?
     
  10. chaboicrosby

    chaboicrosby New Member

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    00.0


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  11. boofoo

    boofoo Respected Registered VIP

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    Perfect!

    Do you know where the ECU is in your car? It's where you read the CEL codes. It has three connectors A (C451), B (C452), and C (C453).
     
    Last edited: Sep 11, 2017
  12. chaboicrosby

    chaboicrosby New Member

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    Yea it's the box thing and it blinks the red light


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  13. boofoo

    boofoo Respected Registered VIP

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    The ECU has three connectors A (C451), B (C452), and C (C453). Unplug C453, which has 16 pins. The other two connectors have 18 or 20 pins.

    Do you see pins 1 and 2, which are connected to the Orange and White wires?
     
  14. chaboicrosby

    chaboicrosby New Member

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    Ok


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  15. boofoo

    boofoo Respected Registered VIP

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    Is C453 now unplugged?

    Do you see pins 1 and 2, which are connected to the Orange and White wires?
     
  16. chaboicrosby

    chaboicrosby New Member

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    [​IMG] not sure if that's it


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  17. chaboicrosby

    chaboicrosby New Member

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    Just kidding I found it


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  18. boofoo

    boofoo Respected Registered VIP

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    Look at the diagram of C453 I posted. Do you see pins 1 and 2? Is there an Orange (1) and White (2) at those positions? Does the connector have 16 pins?

    I think you unplugged the 20 pin connector.
     
  19. chaboicrosby

    chaboicrosby New Member

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    [​IMG] it looks like my orange and white wires have been played with


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  20. boofoo

    boofoo Respected Registered VIP

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    I can't see the modifications in your pic.

    How long have you owned the car?
     


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