Do-i-need-wideband-oxygen-sensor

• External controller with analog output, like then AEM 30-4110 and similar products.
• External controller with CAN interface, like the AEM X-Series wideband controller/gauge.

• https://github.com/mck1117/wideband is what we use the forum thread

See rusEFI-Wideband-Controller

See Hellen-WBO

pin 1 red: IP=Pump Current

pin 2 yellow: VS/IP=VM=common virtual ground for VS and IP

pin 3 white: H- Heater control, low-side

pin 4 grey: H+ Constant +12v

pin 5 green: R Trim=Calibration resistor

pin 6 black: UN = Vs = sensor voltage output = INRC

4.9 pinout courtesy of https://www.wbo2.com/cable/lsuconns.htm

Connector	Part Number
Female (harness)	1928404669
Male (sensor)	1928405111

Male connector is only needed when building extension harnesses. The connector on the sensor contains a laser-trimmed calibration resistor and should not be removed.

Wire Size	Plating	Strip	Loose
24-22 AWG	Tin	1564324-1	1564325-1
24-22 AWG	Gold	1564324-2	1564325-2
20-18 AWG	Tin	1241380-1	1241381-1
20-18 AWG	Gold	1241380-2	1241381-2
16 AWG	Tin	1418884-1	1418885-1
16 AWG	Gold	unavailable	unavailable

Part numbers provided by and available for purchase at corsa-technic.com individually or as a kit. https://www.corsa-technic.com/item.php?item_id=1296

BOSCH 17011 '2013 kia rio 1.6l l4 oxygen (o2) sensor Upstream`

BOSCH 17321 2012 ford focus Upstream

See also https://rusefi.com/forum/viewtopic.php?p=43513

1J0973705 8R0906262E

• CJ125 is an unavailable old chip replaced by CJ135. CJ125 is not available from legit distributors for many years now. There is no documentation for CJ135. Some time ago we chose to no longer spend resources on CJ125.