Honda Car Forum

hello all,

I am working on a friends car. I think i need some wiring diagram for
this intermitent problem.

The car does not start when it is sunny(hot outside). At nights it is
hard to run but it runs. When it runs, i start to get "S" sport mode of
transmision blinking after some time of driving.

what i did so far: changed distributor twice (lifetime waranty), wires
and plugs. I went to junk yard and get 3 different main relay. it looks
like no help.

I checked fuel.I always get fuel. It is not contant flow but more like
a spray every half second. It is strong.

I checked spark: most ofthe time i donot have any spark but once a
while I see a spark in one of the plugs and car responds properly like
it will run if she has a chance.

My starter rotates the engine relatively slow to other cars, but it is
always like that to begin with.

My guess is there is a problem with the ignition system. can you help
me out with this. what controls the ignition system on this cars. Does
it have any component out of the distributor.

I have almost same problem (I posted a message today in this
group)...but, no idea why it happens...Please let me know if you find
solution...thanks

uccoskun@gmail.com wrote:
> hello all,
>
> I am working on a friends car. I think i need some wiring diagram for
> this intermitent problem.
>
> The car does not start when it is sunny(hot outside).

sounds like main relay.

> At nights it is
> hard to run but it runs. When it runs, i start to get "S" sport mode of
> transmision blinking after some time of driving.

which model honda is this?

>
> what i did so far: changed distributor twice (lifetime waranty), wires
> and plugs. I went to junk yard and get 3 different main relay. it looks
> like no help.

every single main relay i've ever pulled from a junk yard has had the
telltale solder cracking you'll see described in the faq's. either
re-solder or buy new. go to tegger.com and the diagnostics/repairs will
all be outlined.

>
> I checked fuel.I always get fuel. It is not contant flow but more like
> a spray every half second. It is strong.
>
> I checked spark: most ofthe time i donot have any spark but once a
> while I see a spark in one of the plugs and car responds properly like
> it will run if she has a chance.
>
> My starter rotates the engine relatively slow to other cars, but it is
> always like that to begin with.
>
> My guess is there is a problem with the ignition system. can you help
> me out with this. what controls the ignition system on this cars. Does
> it have any component out of the distributor.
>

Did you pull the diagnostic codes?

<uccoskun@gmail.com> wrote in message
news:1125869223.738501.306670@f14g2000cwb.googlegr oups.com...
> hello all,
>
> I am working on a friends car. I think i need some wiring diagram for
> this intermitent problem.
>
> The car does not start when it is sunny(hot outside). At nights it is
> hard to run but it runs. When it runs, i start to get "S" sport mode of
> transmision blinking after some time of driving.
>
> what i did so far: changed distributor twice (lifetime waranty), wires
> and plugs. I went to junk yard and get 3 different main relay. it looks
> like no help.
>
> I checked fuel.I always get fuel. It is not contant flow but more like
> a spray every half second. It is strong.
>
> I checked spark: most ofthe time i donot have any spark but once a
> while I see a spark in one of the plugs and car responds properly like
> it will run if she has a chance.
>
> My starter rotates the engine relatively slow to other cars, but it is
> always like that to begin with.
>
> My guess is there is a problem with the ignition system. can you help
> me out with this. what controls the ignition system on this cars. Does
> it have any component out of the distributor.
>

hello all,
I clean the contacts of two relay and resolder them, Nothing changed at
the end. What i plan to do tommorrow is to short the circuit and get
rid of the main relay. It should show me if it is the problem or not.
I will update you as soon as i get anything.
thanks guys.

uccoskun@gmail.com wrote:
> hello all,
> I clean the contacts of two relay and resolder them, Nothing changed at
> the end. What i plan to do tommorrow is to short the circuit and get
> rid of the main relay. It should show me if it is the problem or not.
> I will update you as soon as i get anything.
> thanks guys.
>
shorting the circuit is only a problem if you don't mind dying in a
searing fireball as your electric fuel pump continues to spray gas into
the flames. the relay is there so that if the engine stops running, [as
happens in accidents] the fuel supply cuts off before any severe damage
occurs.

as was suggested by eugene, pull the codes from the ecu & get back to us.

how can i read the codes?

I know to read the codes on some other cars but this is my first honda.


I will short the connectors for a couple of minutes just to see if
the problem is the relay?

Thanks.

uccoskun@gmail.com wrote:
> how can i read the codes?
>
> I know to read the codes on some other cars but this is my first honda.

under the passenger carpet. go to tegger.com for the code list.

>
>
> I will short the connectors for a couple of minutes just to see if
> the problem is the relay?

don't ask me - i've already told you what i think about this. besides,
which of the 7 leads do you want to short out?

>
> Thanks.
>

my codes are 7 8 and 12.

I shorted 1-3 and 5-7. Suprizingly i did not help. However, I put one
of the relays in freezer for half hour. It run 10 times in a row
without hessitaion. Tommoorw I will get a new relay.

PS: I stop trying at 10 because My starter died...


jim beam wrote:
> uccoskun@gmail.com wrote:
> > how can i read the codes?
> >
> > I know to read the codes on some other cars but this is my first honda.
>
> under the passenger carpet. go to tegger.com for the code list.
>
> >
> >
> > I will short the connectors for a couple of minutes just to see if
> > the problem is the relay?
>
> don't ask me - i've already told you what i think about this. besides,
> which of the 7 leads do you want to short out?

I changed the main relay, play with the distributor and car looks fine.


I notice another problem though. The car is fine till i reach 40 mph.
After that point I start to get "s" warning like sport mode. IT
continiously flashes. I tried to read the code but it does not have any
code now. In my first stry i get 7 8 and 12.

I have the engine check codes and they are notrelated to the
trasmision.

questions?

do you have any list of transmision codes.

what might be the problem, if you hve I would like the location of
parts. please.
thanks.