RomRaider

Search in RR and you found solution... its in control bits, clima codes.

For those who have difficulties converting DEC to BIN , change the bit7 and reconvert it.

Just ADD 128 to your decimal value!
so if byte8 is 15 change it to 143 and voila..
Decimal = Binairy
15 = 0000 1111
+128 = 1000 0000
143 = 1000 1111

Hi everyone How to disable the vehicle automatic transmission status scan via CAN
Byte 5
Bit 0 to 5 = CAN bus and MT / AT related.
Byte 5 = HEX, AC to BIN = 10101100 - 101100 = 10000000 to HEX = 80
Bit 0,1,2,3,4,5 = 00000 or 11111 ?

Byte 5
Bit 0,1,2,3,4,5 = 00000 (Manual)
Bit 0,1,2,3,4,5 = 101100 (If CAN OK then Auto else Manual)
Bit 0,1,2,3,4,5 = 101011 (Auto)

I have USDM spec 1999 e36 M3 with MS41.2.

I currently have the ASC light on my dash. It's on all the time from start up. The ASC body is still in and plugged in. I do not seem to have any traction modulation from ASC. I also seem to have full ABS.

I pulled my partial last year and byte 7 is decimal "9" = binary "00001001"

If I change Byte 7 bit 0 to "0" or binary "00001000" = decimal "8" this will tell the ecu to stop paying attention to the ASC signal? This wont affect ABS function?

I want to remove the entire ASC system and replace with z3 boot. I like ABS tho.

Thanks

Doing as you asked should not affect the ABS function.

I don't think it'll affect the ASC light either. I wish it did, because that is another light I can control via ECU code.

I believe those bits are just there so the ECU can decide if it wants to set a DTC for it or not.

I believe there are 3 bits related to this. They 'might' correspond to each of the 3 switch inputs aka Pins 80,81,82. Not sure though.

disclaimer: I dont know that much and coding is mysterious to me...

But I read codes using an cheap generic OBDII reader and iphone app Dash Command. The only stored code was for lean condition on bank 1 I believe. No code for the ASC system, would this be beyond a generic reader? Can Romraider read and clear DTC or only read using the data logger?

Is the current thinking that the Byte 7 bits 0,1,2 are dealing with the ASC system but the relationship is unconfirmed?

I looked through a few old posts (2014? era) last night and the thinking then was that the ASC code wasnt even in the ECU but in a separate control module (sx or zf2 or something?) and It was a particular ABS condition (input) that triggers (edit2: so its not news to you all but I just looked at the asc system and the actuator cable starts at the ABS module)

i) the ASC throttle to close (output), the entire engine response was controlled with regular maps, (ie the engine has no idea that ASC is triggered it just sees less airflow and reacts as it normally would).

ii) and a particular ABS response in the rear (output)

Thanks

OT: is there a specific logger definition file for e36 M3? I have STD_EN_v350 and cars_def files. I should be using DS2 k-line logging protocol even though I will be hooked up to the OBDII port?

edit: Im curious as to why the light is on? I compared my partial bin with the ms41.2_verified_original bin and do not see any changes. Is it as simple as there is a fault in the ASC system/circuit? Could the ASC controller be bad, turn on the ASC light and still NOT have a stored DTC code?

I know this thread is old but i am trying to remove the DSC fault for having my ASC deleted (E30 swapped m52). What do i have to do to have this fault no longer reporting? I know other m52 came without ASC so im sure there is something i can do to code this out.

What DTCs are being set?

If the ASC module isn't communicating with the ECU because it's not there, you could try to turning off the CAN related DTC 219 and/or 215.

I am trying to integrate a low fluid sensor to make a bell noise + light on my instrument cluster. After having reviewed the electrical documents, I have found that all of the alarms/warnings which make a noise are actually those which are triggered by the ECU. Namely, high coolant temp, low oil pressure, etc. Those which simply activate a light on the dashboard are quite simple and can be arranged within a couple of hours (the sensor is just used as an on/off switch for the lightbulb, the only complication is having to install an extra pin/wire to mate with the corresponding bulb housing on the cluster).

So, is it possible to reassign some feature in the ECU and then allocate it to a newly pinned wire on the cluster? Or, would it be possible to turn on a feature that is not present on my car, and then repurpose it by just using the wire route associated with it?

Hi, I searched the forum with no success.

How this modification works: Bit 2 = 0 = Idle Air Control Valve delete?

Does it mean that ECU now always keeps IAC in open mode? Or does it mean that that i have to dissconect the pigtail from IAC in order to leave IAC opened and ECU now will not throw any related CEL?

Anyone deleted the secondary air pump with success?

Yes, no Problems with what is already defined in ms41. 2

What about MS 41.1?
I've used the search function on this forum but can't find much.

It’s in the definitions