Complex sentence: To ensure the safety and redundancy the limp home functions are also integrated into the system for example should the pump speed sensor fail the ECU can use an alternator speed (RPM counter) signal as a backup.
Split into simpler sentences: To ensure the safety in case of redundancy, the limp home functions are also integrated into the system. For example, should the pump speed sensor fail the ECU can use an alternator speed (RPM counter) signal as a backup.