Re: 90 Honda Accord
 

"Gero00 via CarKB.com" <u14924@uwe> wrote in news:56244fcf5b230@uwe:

> I checked the error codes stored by the ECU, and I found code 14,
> which is the Idle Air Control valve. The code was there before the
> car stopped working, though. I replaced the ignitor and the ignition
> coil, neither of which helped. I checked the ignition switch by
> turning it on, and the engine light, the battery light and the oil
> light came on. I still only get 1 click on the main relay.


<snip>


That doesn't mean the ignition switch is OK.

It's still the main suspect.


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/

Re: 90 Honda Accord
 

"Gero00 via CarKB.com" <u14924@uwe> wrote in message news:56244fcf5b230@uwe...

> I checked the error codes stored by the ECU, and I found code 14, which is
> the Idle Air Control valve. The code was there before the car stopped
> working, though. I replaced the ignitor and the ignition coil, neither of
> which helped. I checked the ignition switch by turning it on, and the engine
> light, the battery light and the oil light came on. I still only get 1 click
> on the main relay.
> If I ground wire 8 on the main relay, the fuel pump starts working. I still
> don't have a spark, though.

I think I see your problem. If you turn on the ignition, you hear one
click, the check engine lights stays on the whole time, no code
16 and when you supply ground to terminal 8 the fuel pump
runs then it sounds like you have no power to the ECU.

Honda ECU's use multiple power inputs for a reason. To warn us.

The main power to the ECU originates before the main fuse, near
the battery. Check for corrosions or wiggle any wires to make the
check engine light go out while the ignition is switched ON. Once
the light goes out, it should start.

Re: 90 Honda Accord
 

"Gero00 via CarKB.com" <u14924@uwe> wrote in message news:56244fcf5b230@uwe...

> I checked the error codes stored by the ECU, and I found code 14, which is
> the Idle Air Control valve. The code was there before the car stopped
> working, though. I replaced the ignitor and the ignition coil, neither of
> which helped. I checked the ignition switch by turning it on, and the engine
> light, the battery light and the oil light came on. I still only get 1 click
> on the main relay.
> If I ground wire 8 on the main relay, the fuel pump starts working. I still
> don't have a spark, though.

I think I see your problem. If you turn on the ignition, you hear one
click, the check engine lights stays on the whole time, no code
16 and when you supply ground to terminal 8 the fuel pump
runs then it sounds like you have no power to the ECU.

Honda ECU's use multiple power inputs for a reason. To warn us.

The main power to the ECU originates before the main fuse, near
the battery. Check for corrosions or wiggle any wires to make the
check engine light go out while the ignition is switched ON. Once
the light goes out, it should start.