Wiring Documentation¶
Main Wiring Harness¶
MDB Connectors¶
Four 30-pin connectors (CM1, CM3, CM9, CM10) interface with the Middle Driver Board. All use female connectors on the harness side.
CM10 Connector (Primary Power)¶
Key signals:
- +48V ECU/MDB connection
- Battery supply lines
- CAN bus (H/L)
- CBB interface (SDA/SCL)
- Left/right rear blinker control
- Front blinker control
- NFC reader power (+3.3V)
- Ground connections
CM9 Connector (System Control)¶
Key signals:
- Seat box sensor
- Steering lock state
- Handlebar position
- Side stand sensor
- Turn signal switches
- Brake switches
- Horn control
- LED indicators
- Battery state monitoring
- Ground connections
CM3 Connector (Motor Control)¶
Key signals:
- Motor phase connections (U/V/W)
- Hall sensor interface
- Power (+5V)
- Ground
- Hall U/V/W signals
- Motor temperature monitoring
- Current sensing
- Protection circuits
CM1 Connector (Auxiliary Systems)¶
Key signals:
- LCD Display interface
- Keypad/button inputs
- Status LED outputs
- Speaker control
- External charging
- NFC communication
- UART interfaces
- Ground connections
ECU Connections¶
Main connector:
- Motor phase connections (U/V/W)
- Hall sensor interface:
- +5V supply
- U/V/W hall signals
- Ground
- Throttle input
- Brake signals (left/right)
- Side stand input
- CAN bus (H/L)
- Temperature sensor
- Power input (48V)
Battery Systems¶
Main Battery Interface¶
- Power terminals:
- B+ (50.8V nominal)
- B- (Ground)
- NFC communication:
- I2C interface (SDA/SCL)
- Field detect signal
- +3.3V supply
- LED control signals
- Temperature sensors
Auxiliary Battery (12V)¶
- Main connection points:
- B+ with 15A fuse protection
- B- to system ground
- Charging input from DC/DC
- Voltage monitoring
CBB Battery¶
- Dedicated power rail
- Monitoring interface:
- Voltage sensing
- Temperature input
- State monitoring
- Protection circuitry
Lighting Circuits¶
Front Lighting¶
- Main headlight:
- Low beam (12V/8.4W)
- Position lamp (12V/0.72W)
- Ground return
- Turn signals:
- Left indicator (12V/6W)
- Right indicator (12V/6W)
- Common ground
Rear Lighting¶
- Tail light assembly:
- Stop lamp (12V/9W)
- Position lamp (12V/0.84W)
- Turn indicators (12V/6W)
- License plate light:
- Power (12V)
- Ground return
Control Interfaces¶
Handlebar Controls¶
Left side:
- Seat box release button
- Turn signal switch (3-position)
- Horn button
- Brake switch
Right side:
- Throttle position sensor
- Brake switch
- Ground connections
Security Systems¶
- Steering lock actuator:
- Motor drive (12V)
- Position sensor
- Lock state input
- Seat lock:
- Lock solenoid
- Position sensing
- State monitoring
Antenna Systems¶
- Main antenna (GSM/GPS)
- Secondary/auxiliary antenna (Pulse Electronics FPC UWB type)