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Old 03-11-2015, 10:49 PM   #21 (permalink)
5 pin sensor
 
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Quote:
Originally Posted by firehawk618 View Post
I have searched and searched and am probably missing it.

Can someone explain or post a link to installing a "lean burn" indicator?

Thanks!
You can not simply install one, you would need a jdm 3 stage vtec d15b and wiring and follow the instructions written by a member who has a 4 door green lx.

The best way to see if you are in lean burn is by monitoring the secondary 02 sensor to see when voltage reads 0. You can use a scan gauge or mpguino but it's also easy to tell with a vacuum gauge

Quote:
Originally Posted by firehawk618 View Post
I am confused by this statement.

Can you clarify for me?

Thanks!
I wasn't sure what you meant with a CRV with abs and cruise control

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Old 03-21-2015, 07:12 PM   #22 (permalink)
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Quote:
Originally Posted by Chrysler kid View Post
My best tank in my hx was 51 mpg all highway with no aero mods

I'm uploading pictures of the shift light mechanism and the plug, I put led lights in my srs and shift light and the modules were identical. So if you have the white plug that looks like the srs plug you should be able to plug it in and have a shift light

Please click thanks next to my post lol



I checked out the SRS and ABS modules. Unfortunately the ECU sends a ground to the bulb to illuminate it.

Those modules take a positive reference to turn them on.

I decided to keep my Cruise control light in tact. I'm certain that one would have worked fine as you indicated.


I ended up using my seatbelt light as the up shift light.

Works fine.
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Old 03-21-2015, 10:53 PM   #23 (permalink)
5 pin sensor
 
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Quote:
Originally Posted by firehawk618 View Post
I checked out the SRS and ABS modules. Unfortunately the ECU sends a ground to the bulb to illuminate it.

Those modules take a positive reference to turn them on.

I decided to keep my Cruise control light in tact. I'm certain that one would have worked fine as you indicated.


I ended up using my seatbelt light as the up shift light.

Works fine.

If it takes a ground to light up would the power readings from the secondary 02 sensor at 0 volts illuminate the srs light for a true lean burn indicator
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Old 03-21-2015, 10:55 PM   #24 (permalink)
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Quote:
Originally Posted by Chrysler kid View Post
If it takes a ground to light up would the power readings from the secondary 02 sensor at 0 volts illuminate the srs light for a true lean burn indicator
No that works off millivolts and tapping anything into it will skew the readings.




Hmmm, since my wide band has an output I won't be using then what you say would be possible but not connected directly to a light. Simply too much current draw.
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Old 03-23-2015, 12:52 PM   #25 (permalink)
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yo. so I have my plug and my hx cluster from my old hx. but I dont know what to wire my 4 wires too. have we figured that out?
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Old 03-23-2015, 12:55 PM   #26 (permalink)
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Quote:
Originally Posted by Jakins View Post
yo. so I have my plug and my hx cluster from my old hx. but I dont know what to wire my 4 wires too. have we figured that out?
When I get home I can pull up a schematic.
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Old 03-23-2015, 07:35 PM   #27 (permalink)
5 pin sensor
 
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Quote:
Originally Posted by firehawk618 View Post
When I get home I can pull up a schematic.
The picture of the back of my shift light makes me curious.

H/f white referring to the plug I'm assuming
eco green.

Can you post the y5 ecu schematics if you have them see if there was a pinout for the green plug
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Old 03-23-2015, 08:34 PM   #28 (permalink)
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I think what the printed circuit is saying the shift light connector would be white.

Cruise control OR the eco light connector would be green.

Schematics to come.


EDIT: I cannot attach them they are too large.

PM me your email addresses and I will send them to you.
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Last edited by firehawk618; 03-23-2015 at 08:42 PM..
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Old 03-23-2015, 08:48 PM   #29 (permalink)
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IF using the CC / Upshift lamp board there's really only 3 wires you need to worry about.

1. Power "should be yellow" and can be found by tapping into your SRS or ABS light connector. The wire should be the same color.

2. Ground "should be black" and can be found by tapping into your SRS or ABS light connector. The wire should be the same color.

3. The third wire is what triggers the light to come on. That one goes to pin A30 on the HX ecu *wht/red*. That wire from A30 also goes to the green plug just outside the ECU. IIRC that one is pin 5. The color will be the same *wht/red*


What I did on my car since I wanted to keep the CC light in tact and the SRS / ABS lights use a POSITIVE trigger vs NEGATIVE trigger is to just use my seatbelt light.

That light is always hot on one side and takes ground to trigger it.

Should the upshift light go through a ramp up module to keep the load off the ECU? I do not know. So far mine's been working fine.

I speculate the CC / Upshift / Eco light has a circuit board so it can dim with your factory dimmer. Do not hold me to that though.

If load on the ECU is a concern I would suggest using a LED in place of the bulb in the seatbelt indicator and a diode if necessary.
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Old 03-23-2015, 11:00 PM   #30 (permalink)
5 pin sensor
 
Join Date: Sep 2014
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Does your eco light come on in 5th gear or is it just our dummy up shift light.

Reading up on the d15b ecu makes me want to see if I could plug and play one into the hx to control y5 lean burn

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