Wideband Lambda Controller with Bosch CJ125 and LSU 4.9 with 0-5V output and CAN-Bus Interface
| Bosch number | Length overall | Comment |
|---|---|---|
| 0 258 017 025 | 1000mm | Bosch motorsport part |
| 0 258 017 012 | 1060mm | |
| 0 281 004 184 | 1000mm | |
| 0 281 004 150 | 1215mm | |
| 0 258 017 126 | 680mm | black, used by BMW after 09/2006 (1178 7561410) |
| 0 258 017 029 | 620mm | grey, used by BMW after 09/2006 (1178 7539124) |
| 0 258 017 092 | 950mm | black, used by BMW (1178 7540167) |
| 0 258 017 038 | 340mm | grey, used by BMW (11787537984) |
| ... |
Probe pinout:
| Pin# | Color | Description | Symbol |
|---|---|---|---|
| 1 | red | Pump current APE | IP |
| 2 | yellow | Virtual ground IPN | VM |
| 3 | white | Heater voltage H- | Uh- |
| 4 | grey | Heater voltaget H+ | Uh+ |
| 5 | green | Trim Resistor RT | IA |
| 6 | black | Nernst voltage UN | RE |
Ua and Ur during calibration (cold sensor, 10 calibration samples with 10ms pause):
- Ua: 359 => 1,7529V (should be 1.5V in calibration mode!)
- Ur: 337 => 1.6455V
Changes:
- 29.04.2020 - Version 0.0.1 -hardware released / software still in development, needs some changes in hardware
- 27.11.2021 - Version 0.0.3 - hardware in development, some modifications in analog PSU / software for V0.0.1 can be used with this
Interactive BOM for easier hand-soldering you can download from the github (BL49/hardware/V0.0.1/bom)
or access online here: https://oelprinz.000webhostapp.com/BL49/V0.0.1/iBOM/ibom.html
Quick link to schematic: https://github.com/oelprinz-org/BL49/blob/master/hardware/V0.0.1/schematics.pdf
