3239412 - E4023 DASHBOARD CENTRE AUXILIARY EQUIPMENT() - Functional description

Functional description

The supply for the centre module E20 arrives directly from the battery. (maxifuse J/B1 of B5 ) to pin 2 via fuse F10 of the junction unit B1 ; the supply controlled by the ignition (INT) reaches pin 1 of the line protected by fuse B11 . Pin 3 is earthed.

Functional description

The sender unit K35 sends two independent signals: the first is proportional to the engine coolant temperature: it reaches pin 10 of module E20 and acts on the gauge; the second signal, connected to the maximum temperature thermal contact, reaches pin 9 and causes the relevant warning light to come on.

Functional description

Pins 4 and 5 of the centre instrument E20 receive signals (positive and negative) coming from the fuel gauge N40 located in the fuel pump unit.