Nexus ECU V1.34.1 Release

Nexus ECU V1.34.1 Release

Upgrade Notes

  • Requires NSP Version 1.46.3 or newer.

  • Requires Haltech Connect Version 1.6.6 or newer.

V1.34.1 Release

Fixes

  • Sets the missing default value for Number of Operations in Spool Up Gear function to 1.

  • Fixes HBO settings not appearing when output is state output.

  • Fixed "cell error" on internal wideband and failure to free air calibrate when LZA-09 sensor is selected.

V1.34.0 Release

Features

  • Added support for Ti6L and GM 6L Transmissions.

  • Added support for alternate BMW S65 trigger type.

  • Engine Oil Temperature Return Sensor added

    • Added Engine Oil Temperature Return Sensor as an option for Thermo Fan trigger source.

  • Increased max number of configurable teeth from 50 to 60 for Transmission Input RPM Sensor.

  • Added a wideband O2 sensor check to the setup checklist. The ECU can now detect when a wideband O2 sensor is not connected or has been disconnected (open circuit) from either the internal wideband controller or a CAN‑based wideband controller, even when the engine is not running.

  • [Rebel LS, Rebel JZ] Added second CAN port.

Fixes

  • Fixes tables rounding to incorrect table cell along an axis with an axis mode of Discrete Centered and the axis values were consecutive integers.

  • Driveshaft RPM Sensor - pulses per revolution default value is now 40.00 for Rebel LS in line with most common sensor.

  • Fixes Transient Throttle Asynchronous Output not triggering the first time after ECU powers up.

  • Fixes external device nodes flickering on the NSP navigation tree when it's connected but not enabled on the Haltech CAN System menu.

  • Outputs that support PWM but are configured as a switched output now only display the pin state.

  • Added a warning when an on‑board data logging group contains channels but is disabled.

  • Fixes Input Type of Vehicle Speed Sensor not selectable for Rebel-LS.

  • RX-8 Plug-in ECU: Reduced cranking fuel quantity for cold starts.

  • ECU prime pulses and allows async transient throttle fuelling on the first stage of the injectors only.

    • May require retune for cranking in multi-stage injections setups.

  • Restored Home % Travel and Worst Home % Travel channels.

  • Wideband Derived channels now show Errors correctly.

  • Improved injector driver protection against overcurrent conditions.