i need to know where theese wires go:
pin A11 IGP1 - power source (yellow/black)
pin A24 IGP2 - power source (yellow/black)
pin D11 SG2 - sensor ground (green/black)

and should the be any voltage on the IGP1 and IGP2 when they cut?

 

finally i found a wiring diagram, but now i have another question...
according to the diagram, the IGP1+2 should be connected to the main relay at pin 3 and to the EACV/IACV and the fuel injectors...

but i can't figure out why i need to connect the fuel injectors and the EACV to the power source... the injectors already connects to the ECU on pin A1,A2,A3 and A4 and the EACV connects to the ECU on pin A12... so why does they need another +, shouldn't they just have ground on the yellow/black wire?

Note: this diagram is from ODB1 ECU so the pins doesn't exactly match

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by menthos &raquo;</TD></TR><TR><TD CLASS="quote">but i can't figure out why i need to connect the fuel injectors and the EACV to the power source... the injectors already connects to the ECU on pin A1,A2,A3 and A4 and the EACV connects to the ECU on pin A12... so why does they need another +, shouldn't they just have ground on the yellow/black wire?</TD></TR></TABLE>

The injector pins A1, A2, A3 & A4 going to the ECU are actually ground pins as well as pin A12 for the IACV. The ECU grounds these pins in order for the signal to pass through the injectors and the IACV.

 

ahh alright
i thought they had ground all the time and a ecu controlled +

but as far as i see, the yellow/black wires from the injectors is connected to at grey which i think is a ground distribution plug.. a lot of black wires go into that plug too..?

 

YEL/BLK wires shouldn't be going into a ground distribution block.

Is this a factory wire harness your working with or one that has been torn apart previously?

 

uhm i think the part im working on is factory wire, but all the wires that go from the engine to the the car has been apart i think...

i will try to take a picture of the plug..

 

ahh i see that the ground wires and the yellow/black wires are seperated... thought all the wires in the plug was connected together but it sperates at the middle:

 

If you open the top of the distribution block you will be able to verify what wires are connected to each other. I couldn't remember if I had + & - mixed up in a dist box. I know that I don't have any mixed blocks anymore. I rewired mine so that all the positives play together and the negatives are all on the other side of the fence. Far far away from them.....lol

 

wonder why honda didn't do that cause i think its a bit confusing to have the + and - mixed in the same plugs
but for now i will let it stay like this...

i think i got the right wires now (atleast for the IGP1 and IGP2).. thanks for your help..


now i just need to find the SG2 sensor ground...

 

i see that the blue distribution plug also is divided in two..
so i guess the green/black wires should be ground and thats where the sensor ground SG2 needs to go and the black/yellow are + wires?

 

you got it!

 

nice
what about pin 5 (black/yellow) from the main relay?
according to the diagram it only connect to the purge valve is that right?

 

Yeah, I would go with what your diagram shows.

 

alright..
thanks for your help... now i hope all works...

 

argh my car stills runs like **** must be something else wrong...
when i turn the ignition on, the engine check light lights up like normal, but then it flash 2-3times before it goes off..

 

what do you get when you pull the codes? (not the jumper, with a code scanner)

 

i don't have a code scanner

actually i don't know if that works on ODB1?

my ECU is is ODB with Ectune and then a ODB1-ODB2 harness.. my engine is ODB2a


Modified by menthos at 8:57 AM 9/16/2008