What does a circle displayed on the Volkswagen Sagitar steering wheel indicate?
1 Answers
It is the electric power steering indicator light, which will turn off after the vehicle is started. Working principle of electric power steering indicator: It uses a flasher unit, which can be divided into three types based on structure: resistance wire type, capacitor type, and electronic type. The resistance wire type can be further categorized into thermal wire type (electrothermal) and vane type (spring-loaded). The electronic type includes hybrid (relay with contacts combined with electronic components) and fully electronic (relay-free). For example, the spring-loaded flasher utilizes the thermal effect of electric current, using thermal expansion and contraction as the driving force to make the spring plate produce sudden movements, thereby connecting and disconnecting contacts to achieve light flashing. Electric power steering indicator troubleshooting method: Turn on the turn signal switch. If neither left nor right turn signals illuminate, for this fault, turn on the headlights. If they work, it indicates the power circuit from the ammeter to the fuse is good. Then, use a wire with one end touching the power terminal of the flasher and the other end scratching against the ground. If sparks appear, it indicates the power supply is functioning properly.
