rusefi_documentation/rusEFI-Wideband-Controller.md

1.5 KiB

NOTE: This is currently under development. This page might be wrong or change quickly.

Pinout

connector pinout image

Pin Number Function Notes
1 Ground Connect to chassis ground
2 LSU Ip Connect to sensor pin 1
3 LSU Heater - Connect to sensor pin 3
4 LSU Heater + Connect to sensor pin 4
5 No connection
6 12v Supply Connect to fuel pump supply or independent relay controlled by ECU
7 No connection
8 LSU Vm Connect to sensor pin 2
9 LSU Rtrim Connect to sensor pin 5
10 LSU Un Connect to sensor pin 6
11 CAN H CAN bus high
12 CAN L CAN bus low

LED decoding

Blue LED Green LED Meaning
off fast flash sensor warming up
off slow flash Sensor hot, operating normally
flashing off See error code table below
alternating alternating Bootloader

Firmware Update

coming soon...

Error Codes

Green LED off and blue LED flashing indicates an error. The blue LED will blink a certain number of times, with a 2 second pause, then repeats.

Blinks Meaning
3 Sensor failed to heat up within 15 seconds
4 Sensor overheated after entering closed loop mode
5 Sensor unexpectedly cold after entering closed loop mode (bad wiring?)

Source Code

The hardware and software source code are hosted here.