C1686 INFINITI – 4WAS Main Control Unit

C1686 INFINITI Possible Symptoms

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C1686 INFINITI Possible Causes

Faulty 4 Wheel Active Steer (4WAS) Main Control Unit,4 Wheel Active Steer (4WAS) Main Control Unit harness is open or shorted,4 Wheel Active Steer (4WAS) Main Control Unit circuit poor electrical connection

C1686 INFINITI Description

It transmits the value calculated by 4 Wheel Active Steer (4WAS) Main Control Unit to 4WAS front control unit with 4WAS communication line (line for 4WAS system). 4WAS front control unit controls 4WAS front actuator according to the received command value.