DESCRIPTION OF SPEEDOMETER

Description

Vehicle speed is displayed on an analogue speedometer located inside the instrument panel.The signal is supplied by a special sensor located on the gearbox. This detects the number of crankshaft revolutions and sends them to the instrument panel in the form of an electrical signal. The instrument panel sends this signal to the engine management control unit and connect.The power supply from the speedometer is protected by a special fuse and governed by a relay. Both are located in the engine bay junction unit.The instrument panel power supply is supplied by the control panel.

Tachograph

Description

Vehicle speed is displayed on an analogue speedometer located inside the instrument panel.The signal is supplied by the tachograph, which downloads an engine rpm signal via a special sensor fitted on the gearbox. The signal is further coded and sent from the instrument panel to the engine management control unit and connect.The instrument panel power supply is supplied from the control panel and the line is protected by fuses housed in the underfacia junction unit.