have you tested the voltages coming out of the current sensor ?
|1| VDD_5V_BRICK|IN|5 V|RED/GRAY|Supply To AP from Power Brick
|2| VDD_5V_BRICK|IN|5 V|RED/GRAY|Supply To AP from Power Brick
|3| BATT_CURRENT_SENS_PROT||3.3 V|BLACK|Battery Current Connecter
|4| BATT_CURRENT_VOLTAGE_PROT|IN|3.3 V|BLACK|Battery Voltage Connecter
|5| GND|-|GND|BLACK|GND connection
|6| GND|-|GND|BLACK|GND connection