https://docs.emtronaustralia.com.au/engine-management/config/channels/internal-lsu-sensor-control/index.htmlInternal LSU Sensor Control The KV series ECU has the ability to interface directly to a Bosch Lambda Sensor(s), model LSU4.9. To achieve the optimal control of this sensor, the ECU uses a genuine Bosch Integrated Circuit technology. It provides very accurate data on pump current which equates to LambdaHugoen-us