CAN Bus database: Difference between revisions

(normalized conversions)
Line 21: Line 21:
|6
|6
|1
|1
|(A / 255)
|(B6 / 255)
|
|
|-
|-
Line 29: Line 29:
|2
|2
|1
|1
|(A * 0.75) - 48.373
|(B2 * 0.75) - 48.373
|Convert to Farenheight: (temperatureC * 1.8) + 32
|Convert to Farenheight: (temperatureC * 1.8) + 32
|-
|-
Line 37: Line 37:
|5
|5
|1
|1
|A - 48.373
|B5 - 48.373
|Convert to Farenheight: (temperatureC * 1.8) + 32
|Convert to Farenheight: (temperatureC * 1.8) + 32
|-
|-
Line 45: Line 45:
|3-4
|3-4
|1
|1
|((byte4*256)+byte3)/6.4
|((B4 * 256) + B3) / 6.4
|
|
|}
|}

Revision as of 21:41, 18 February 2015

CAN bus mappings by OEM ECU and aftermarket device

BMW E46

Installation instructions

  • Baud Rate: 500K
BMW E46 (including M3)
Channel Units CAN Id Offset (bytes) Length (bytes) Conversion Notes
TPS % 809 6 1 (B6 / 255)
EngineTemp C 809 2 1 (B2 * 0.75) - 48.373 Convert to Farenheight: (temperatureC * 1.8) + 32
OilTemp C 1349 5 1 B5 - 48.373 Convert to Farenheight: (temperatureC * 1.8) + 32
RPM 790 3-4 1 ((B4 * 256) + B3) / 6.4