Dx to ZC

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Old Mar 29, 2002 | 06:04 PM
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From: Tri Cities, TN
Default Dx to ZC

It cranks hits for like a second and dies whats going wrong. Did I do the wiring correct
Looking straight at the ECU plugs
C3 C1 B3 B1 A3 A1
C4 C2 B4 B2 A4 A2

C1 to B10 then to blue/green
C2 to B12 then to blue/yellow
A3 to red wire for injector #2
A7 to Yellow injector #4

This swap is for a 90 DX to sohc VTEC D16Z6
When I dont hook up the Cylinder position sensor the car will start and idle and run kinda throws codes 4 and 7. When I hook it back up and reset ECU it tries to run but doesn't
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Old Mar 29, 2002 | 06:21 PM
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From: CANADA EH, BC, CANADA
Default Re: Dx to ZC (zCivic)

not really sure whats going on but check your throttle angle senser plug and your crankangle senser plug somthing must be wrong .. this might help
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Old Mar 29, 2002 | 06:25 PM
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Default Re: Dx to ZC (tdc)

you forgot c1 and c2 to cylinder position sensor.orange and white wires.cut b2.switch 2 wires on the tps green/white and yellow/white


[Modified by maximedx, 10:28 PM 3/29/2002]
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Old Mar 29, 2002 | 06:33 PM
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Default Re: Dx to ZC (maximedx)

Well took pin out of B2 and B11 for S and G's. Switched TPS green and yellow wires. Tried new distributor same situation. Tried another ECU still didn't work.
When I dont run C1 and C2 it will start runs like **** but will start. It tries to start but wont
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Old Mar 29, 2002 | 06:36 PM
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Default Re: Dx to ZC (zCivic)

Do I have the ECU pin outs correct??
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Old Mar 29, 2002 | 07:17 PM
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Default Re: Dx to ZC (zCivic)

the ecu pinout is C1 C3 C5
.........................C2 C4 C6 etc and the same for other plugs and the white plugs
are A

check this http://hybrid.honda-perf.org/tech/4gdxtozc.html

[Modified by maximedx, 11:21 PM 3/29/2002]


[Modified by maximedx, 11:27 PM 3/29/2002]
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Old Mar 29, 2002 | 07:56 PM
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Default Re: Dx to ZC (maximedx)

Is that looking straight at the plug with the release tab up top or is that with the tab facing straight down. If I look straight at them tab up wire dont match up but it reverse it and it does match up how is this being looked at.
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Old Mar 29, 2002 | 08:54 PM
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Default Re: Dx to ZC (zCivic)

c1 are orange wire and c2 are white wires when the release tab is on the top.
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Old Mar 29, 2002 | 08:56 PM
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Default Re: Dx to ZC (maximedx)

Right thats what I ran into and thats how its wired. Do I need to run a wire straight from there to the distributor the jump the B plugs to it? Or does it matter. Heard you have to run straight C1 and C2 to distributor and wire B10 and B12 to it guessing inbetween do you know about this??
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Old Mar 29, 2002 | 09:06 PM
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Default Re: Dx to ZC (zCivic)

ok cut the orange and white wires on c1 and c2
leave c1 orange at b10 and c2 white at b12
plug to other wires direct to the c1 and c2 ecu connection to the distributor


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Old Mar 29, 2002 | 11:01 PM
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Default Re: Dx to ZC (zCivic)

try to check all your grounds!!very important....that was my prob.
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Old Mar 30, 2002 | 06:04 PM
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Default Re: Dx to ZC (maximedx)

so do I need a total of 4 wires from C1 and C2. Run 1 wire for B10 and C1 connected and another for C1 to distributor alone??? I'm really confused now. I had a wire at B12 which was white and red is that correct?? Connect distributor on ECU directly and run B10 or B12 after that wire to distributor??
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Old Mar 30, 2002 | 07:44 PM
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Default Re: Dx to ZC (zCivic)

When I cut C1 and C2 run those straight to Blue/Green and Blue/Yellow wires in the distributor. When I connect B10 and B12 do I connect them to C1 and C2 on the same wire that runs to the distributor or to the remains where I cut them off, Going in to the orginal harness. From a picture from Acid Beaver on CRx.hybrid it appears that when I connect B10 and B12 I use the wires that run into the orginal harness not with the C1 and C2 wires.
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