Messed Up DPFI

[blade34609]

hi,

I recently changed my mind about converting to MPFi and put all the DPFI stuff back in.
I resoldered the wires in the ECU back together.
However, the problem with the car now is it wont rev past 3.25 RPM.
Im pretty sure i know the problem.
I read a MPFI swap how to and it said instead of cuttin the Red and yellow wire from the old fuel injector plugs you just wire it all into the ECU. So it goes like this:
Pin A1 (cyl 1)
Pin A3 (cyl 2)
Pin A5 (cyl 3)
Pin A7 (cyl 4)

So I cut all those pins.
The major mistake was that if you look at the A side pins the reds are the same and so are the yellow.
So I forgot which one went where.
For example: A1 is red and So is A5. A3 is yellow and so is A7.
Does it matter which order they in on a DPFI since it only has 2 fuel injector plugs?
The way I have it now it runs perfectly but wont rev past 3.25 RPM.
Please help me, thanks a lot.

[Cjz89civic]

http://www.cybrrpartspro.com/Manual%...delLookup.html

Go here type in tear and model then go to elec. and it will give you wiring

[civickiller]

was it you i was telling u not to cut all the wires and resolder them for the si because it would be a bitch to change back if u wanted too, and just to change the wires needed and just put connectors on them for easy change ?

if it was you, i got alittle i told u so song and dance i would like to show u

[blade34609]

Originally Posted by civickiller

was it you i was telling u not to cut all the wires and resolder them for the si because it would be a bitch to change back if u wanted too, and just to change the wires needed and just put connectors on them for easy change ?

if it was you, i got alittle i told u so song and dance i would like to show u

Nah its not the Si B side harness that a problem.
Its the A side harness. I followed this MPFI swap walkthrough (shoulda never done that).
http://pub161.ezboard.com/fbseriesal...picID=28.topic

its says to do this and I did this.

E. attach the Brown injector harness wire to pin A1 (cyl 1)
F. attach the Red injector harness wire to pin A3 (cyl 2)
G. attach the Lt. Blue injector harness wire to pin A5 (cyl 3)
H. attach the Yellow injector harness wire to pin A7 (cyl 4)

But does it really matter on a DPFI.
The DPFI has only 2 fuel injector plugs. One thats yellow and one thats red. Does it matter what order the red and yellow wires are in?
The way I have it now it runs perfectly just wont rev past 3.25 RPM.
There are 2 red and 2 yellow wires for A1,A3,A5, and A7.
Please help I realize my stupid mistake.
Thanks

[civickiller]

told ya so
told ya so
told ya told ya
told ya so

k sound like ecu is in limp mode, what codes u getting ?

[blade34609]

Originally Posted by civickiller

told ya so
told ya so
told ya told ya
told ya so

k sound like ecu is in limp mode, what codes u getting ?

LOL, yea your right.
Im only getting one code now.
8- Top Dead Center Sensor

I used to be getting a code 16, fuel injector but its gone now.

I think the code 8 is probably coming from the dizzy.
But i checked it over and over and the wiring is correct.
Thanks

[blade34609]

bad news was driving my car around and the code 16 came back.
Fuel Injector.
I think I messed up the wiring.
But I cant tell which is which.
A3 and A1 are both red.
A5 and A7 are both yellow.
I dont know which one goes where there is no marking or anything to tell them apart.

[civickiller]

u could also switch them at a1 and a3 and see waht happens then do it again for a5 and a7

did u ever try and switch the b/y and b/g wires, that might fix yoru code 8 not sure though

[BiGwiLLswiLLy]

did u fix the wres at the dist. maybe thats y its throwin code 8...n did u also switch back the tps wire?...if so try n switch the a1 n a3 wires if that dont work put em back the way u had em n switch the other 2...

[sportbikerider]

okay, so why did you didn't you like the mpfi swap? are you running a vtec head?

[InEdAb20vtech]

Check where you're running your wires to.

A1 = Aux injector positive
A5 = Main injector positive
A3 = Aux injector negative
A7 = Main injector negative

Crank angle sensor was originally at C1 and C2
Did you move them back there?

*This diagram of the ECU Plugs is taken straight out of the Helm's Manual for the 1989 Honda Civic. Some other MPFI instructions have the plugs a reversed way, or the HASport way. I use the Helms way.
Wiring Colors and Functions
DPFI MPFI
Pin # Wire Color Function Wire Color Function
A1 Yellow 2 Aux Injector Brown #1 Injector
A2 Black 1 Main Relay/Ground Black 1 Main Relay/Ground
A3 Yellow 1 Aux Injector Red #2 Injector
A4 Black 2 Main Relay/Ground Black 2 Main Relay/Ground
A5 Red 2 Main Injector Light Blue #3 Injector
A6 Green Purge Cut Off Solenoid Valve (Coil) Green Purge Cut Off Solenoid Valve (Coil)
A7 Red 1 Main Injector Yellow 1 #4 Injector
A8 Yellow 3 Sedan LX A/T
A10 Red EGR Solenoid Control Valve (Coil) (A/T only)
A11 Blue/Yellow EACV (Coil) Blue/Yellow EACV (Coil)
A12 Green/Black 2 Main Relay Green/Black 2 Main Relay
A13 Yellow/Black 2 Main Relay Yellow/Black 2 Main Relay/Injector Resistor Box
A14 Green/Black 1 Main Relay Green/Black 1 Main Relay
A15 Yellow/Black 1 Main Relay Yellow/Black 1 Main Relay/Injector Resistor Box
A16 Brown/Black Ground Brown/Black Ground
A17
A18 Black/Red Ground Black/Red Ground


DPFI MPFI
Pin # Wire Color Function Wire Color Function
B1 White/Green Hazard Fuse White/Green Hazard Fuse
B2 Orange Tandem Control Solenoid Valve Blue 1 Fast Idle Control Solenoid Valve
B3 Yellow A/C Clutch Relay Yellow A/C Clutch Relay
B4 Yellow/Green Radiator Fan Relay Yellow/Green Radiator Fan Relay
B5 White/Yellow Alternator White/Yellow Alternator
B6 Green/Orange Check Engine Warning Light Green/Orange Check Engine Warning Light
B7 Green/Orange A/T Shift Position Console Switch (Park, Neutral)
B8 Blue/Red A/C Switch Blue/Red A/C Switch
B9
B10 Orange Crank Angle Sensor
B11 Green/Black A/T Shift Position Console Switch (Drive)
B12 White Crank Angle Sensor
B13 Blue White Main Relay Blue White Main Relay
B14 Blue 2 To Yellow, To Alternator Blue 2 Alternator
B15 White 1 Ignitor Unit White 1 Ignitor Unit
B16 Yellow/Red Speed Sensor Yellow/Red Speed Sensor
B17 White 2 Ignitor Unit White 2 Ignitor Unit
B18
B19 Green/Red Electric Load Detector Green/Red Electric Load Detector
B20 Brown Ignition Timing Adjusting Connector Brown Ignition Timing Adjusting Connector


DPFI MPFI
Pin # Wire Color Function Wire Color Function
C1 Orange Crank Angle Sensor Blue/Green Cylinder Position Sensor
C2 White 4 Crank Angle Sensor Blue/Yellow Cylinder Position Sensor
C3 Orange/Blue TDC Sensor Orange/Blue TDC Sensor
C4 White/Blue TDC Sensor White/Blue TDC Sensor
C5 Red/Yellow TA Sensor Red/Yellow TA Sensor
C6 Red/White 1 TW Sensor Red/White 1 TW Sensor
C7 Red/Blue Throttle (Position) Angle Sensor (TPS) Red/Blue Throttle (Position) Angle Sensor (TPS)
C8 Yellow EGR Lift Valve Sensor
C9 Red/White 2 PA Sensor Red/White 2 PA Sensor
C10 Green/White 3 Brake Switch Green/White 3 Brake Switch
C11 White 1 MAP Sensor White 1 MAP Sensor
C12 Green/White 2 EGR Lift Valve Sensor/Pa Sensor/Ignition Timing Adjusting Connector/TA Sensor/TPS Sensor/TW Sensor Green White 2 Pa Sensor/Ignition Timing Adjusting Connector/TA Sensor/TPS Sensor/TW Sensor
C13 Yellow/White EGR Lift Valve Sensor/Pa Sensor/TPS Sensor Yellow/White Pa Sensor/TPS Sensor
C14 Green/White 1 MAP Sensor Green/White 1 MAP Sensor
C15 Yellow/Red MAP Sensor Yellow/Red MAP Sensor
C16 White 3 O2 Sensor White 3 O2 Sensor
*All info adapted from the Helms Manual for the 1989 Honda Civic

[InEdAb20vtech]

ok that used to be a table that was easy and usefull

[TheSilentChamber]

cant post a table in the forums, also not wise to reply to a thread that is 3 months old.

[icE_x]

omg is this the third one?

[V-K]

Originally Posted by civickiller

told ya so
told ya so
told ya told ya
told ya so

Ok Grace, Will is waiting for you over in the Chrysler Sebring forums. :P

***EDIT*** OH GOD DAMMIT I WAS TRICKED INTO POSTING IN AN OLD THREAD ><