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MS3 MSLabs Assistance

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Old 09-08-2017, 10:08 PM
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Default MS3 MSLabs Assistance

I'll use this one thread to keep all my questions together.
I bought a used MS3 Labs + CAN Wideband Module (with OBD2 port) + LC-1. I would like some confirmation before I continue

1) As i'm connecting the LC-1 to the CAM Module, I will NOT need to splice anything into the factory 02 harness?
2) As i'm connecting the LC-1 to the CAM Module, I won't be using the wires on the DB37 except for the black one?
3) I don't have the factory DB9 connector that came with the CAM Module, will it be possible for somebody to tell me which pin is the 12v (RED WIRE on the LC-1) and which pin will the ground connect (Both the LC-1's Blue and White wires as I believe they are grounded together)?
4) Will I still connect the LC-1's Black Wire (Calibration Wire) to the MS3's DB37 Black/Yellow wire? If not, will I use the momentary switch that connects the LC1's black wire to ground?

5) Will the MS3 control the initial calibration of the sensor where it heats up? How does the LED indicator get wired in?

EDIT: I'm completely confused now that I think about it.
https://www.miataturbo.net/ms-labs-m...e-78449/page3/ Post#59 hopefully answers my questions

MS3 DB37
Pin 1 (RED) - Wired to LC-1 12v Pwr
Pin 2 (Black/Yellow) - Wired to Calibration WIre on LC-1 (Black)
Pin 3 (No idea what color this is) - Ground Wire (Connect both blue and white wires from LC-1 to here)
Pin 4 (Yellow) - Not being used as i'm connecting the Brown LC-1 wire to the CAM Module
Pin 8 (White)- Wired to CAN module White
Pin 9 (Black) - Wired to CAN Module Black

Can Module Serial Port
Pin 2 - (Brown) LC-1 Wideband Analog out

I'm not entire sure if I should be wiring the Brown wire to Pin 2 as the TSE instructions state to use the "OUT" which is I believe the 2.5mm digital out. If I am supposed to use the digital out, what pin do I connect this to?


LC-1 (For Confirmation)
Red - MS3 DB37 Pin 1 (Red)
Black - MS3 DB37 Pin 2 (Black/Yellow)
White and Blue - Do I ground these to PIN 3 on the DB37 connector?
BROWN - CAN Module Pin 2
Yellow - Narrow Band Not Used
Will the Digital IN/OUT not be used?

Going by this picture, which pin does those red and black wires connect to and what is there function(referring to the DB9 connector)?

Last edited by skylinecalvin; 09-08-2017 at 10:34 PM.
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Old 09-09-2017, 01:31 PM
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MS3 DB37
Pin 1 (RED) - Wired to LC-1 12v Pwr
Pin 2 (Black/Yellow) - LC-1 White
Pin 3 (Black/Yellow) - LC-1 Blue
Pin 4 (Yellow) - Not being used
Pin 8 (White)- Wired to CAN module White
Pin 9 (Black) - Wired to CAN Module Black

Can Module Serial Port
Buy the LC-1 serial cable from Innovate or from anywhere else. Connect the serial cable's 3.5mm jack to the OUT port of the LC-1. Connect the serial cable's serial plug to the 9-pin serial port on the module.
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