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TURBO SL TECHNOLOGY
BASIC THEORY OF OPERATION
THREE COMPONENTS ARE PART OF THE CAN BIKE SYSTEM COMMUNICATION (COMPONENTS ‘TALK’ TO EACH OTHER):
1. TCU (can be seen as the master of the bike, also allowing external communication)
2. Motor
3. Batteries (Internal and/or Range Extender)
• The speed sensor and the remote (select Turbo families/models only) act as switches and
are not part of the bike communication as such
THIS HAPPENS WHEN TCU IS SWITCHED ON:
• Switch in TCU closes wakeline
• Wakeline activates battery (wakeline goes from TCU to battery)
• Battery sends 48V to motor and 12V to TCU (12V come directly from battery)
• TCU starts, LEDs light up (even if motor is not connected)
• SL system is active
NOTE ON ROLE OF RE BATTERY:
also part of CAN communication)
• If an SL bike does not turn on, most likely the internal battery cannot supply its 12V – then a RE battery can be used to check
if it really is the internal battery or the connection main harness-battery inside the frame – this is one example how to use
the RE for troubleshooting
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