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Wideband CAN interface

 
Old 09-24-2018, 03:45 AM
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The serial port is always a 9-pin port.
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 09-27-2018, 12:56 AM
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Followed instructions and wiring recommendations from this thread. Fired up & works as intended 1st time.

Just for future reference, I powered the module via pin J of the accessory connector on a PNPPRO (.5A +12v) which makes wiring a snap since that connector also has CAN H&L. I tied the module ground into the same location as the stereo ground, and left the O2 sensor grounded to the main ground on the back of the head.
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Old 09-27-2018, 03:12 AM
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Awesome!
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 10-07-2018, 05:51 PM
  #124  
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Getting this error message every time I fire up a new session, but it doesn't appear to affect function at all. Did I set up something wrong?

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Old 10-07-2018, 05:52 PM
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Yes, go to vehicle project properties, CAN, select the module, make sure it's ID is set to 9.
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 10-07-2018, 06:02 PM
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Huh. There ya go. I had gone through this step, but it was set as 1. Thank you sir. Easy fix.
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Old 10-07-2018, 07:02 PM
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Now it isn't working. When the car is powered, the drop-down listing CAN ID 9 says: "no device detected"
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Old 10-07-2018, 09:54 PM
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So things aren't working right. I was getting AFR signal before when I was getting the error code on startup, but now that I've set CAN ID to 9 everywhere, TS says "no device connected" when I try to select CAN ID 9 (or any ID #). The TS AFR gauge is just pegged to 14.7. However, the "Send AFR test value" mode will make the TS AFR gauge move. The AEM gauge is functioning correctly.

Also, the values aren't quite lining up: When I had it working previously (with error message), I noticed that the AFR displayed on the AEM gauge was about .1AFR higher than what was displayed on the TS AFR gauge. And now when I use the send AFR test value, every value is low on the TS gauge by exactly .1AFR except for 14.7. At 14.7, they totally agree, and then it goes back to being low by exactly .1AFR.

Sorry, for whatever reason, my screen shots are mega blurry.





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Old 10-08-2018, 02:58 AM
  #129  
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Did you only change the ID in the vehicle project tab?
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 10-08-2018, 08:36 AM
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Yes. It was already set to 9 everywhere else.
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Old 10-08-2018, 02:45 PM
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If your wideband is connected through the serial port (blue wire) to the module, then you need to select the plain "AEM UEGO" model, even if your wideband is the X-series 30-0300. The "30-0300" mode is only if you have connected the wideband to the module through CAN, and not serial.
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Originally Posted by ninerwfo View Post
The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
For support on MS Labs ECUs: Please email, be sure to include the unit's serial number and include a datalog and your current map.
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Old 10-08-2018, 02:57 PM
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Cool. I'll try it out when I get home.
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Old 10-08-2018, 07:26 PM
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Working! Thanks for your patience.
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Old 04-11-2019, 10:53 AM
  #134  
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Does anyone have a copy of the v1.0.1 firmware for the can bus adapter that they can email me? The link in the original instructions is dead and I need to get this file for the new owner of my car.
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