Bosch MSE9.0 ECU Technical Guide

The guide does not provide values or percentages on how much calibration maps should be modified.

This 26-page technical reference guide is dedicated to the Bosch MSE9.0 ECU family and can be used as a reference for all MSE9.0 motorcycles.

It provides detailed information about ECU architecture, identification, reading and writing solutions, ecu strategies, map functions (related to the OldSkullTuning XDF definition) and relationships between maps, helping users better understand how the different functions interact inside the ECU.

Main topics covered in the Bosch MSE9.0 ECU Technical Guide:

• ECU overview, identification and supported applications
• ECU reading and writing tools
• ECU operating strategies and calibration structure
• Ignition strategy and ignition advance maps
• Lambda control and component protection strategies
• Airflow, throttle and cylinder filling calculations
• Torque calculation and torque limitation strategies
• Exhaust temperature calculation and thermal protection
• RPM, speed and throttle limitation strategies
• Cooling fan control
• Map functions and interaction between related maps
• Map relationship quick reference
• Quick troubleshooting and strategy analysis