| 1 | +B BACK UP | Power source for automatic lighting control unit-sensor | About battery voltage at all times | 
| 2 | TSUN | Outputs TSUN signal | With the vehicle in the ON mode: about 0.2?3.56 V (depending on the light from outside) | 
| 3 | SENSOR COM | Ground for sunlight sensor | Less than 0.2 V at all times | 
| 4 | GND | Ground for automatic lighting control unit-sensor | Less than 0.2 V at all times | 
| 5 | H/L ON SW | Outputs H/L ON SW signal | With combination light switch is in ON position: less than 0.2 VWith combination light switch is in AUTO position and the conditions for the headlight to be ON: less than 0.2 V
 If none of the above conditions are met: about battery voltage
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| 6 | B-CAN_H | Communication line | ??? | 
| 7 | B-CAN_L | Communication line | ??? |