2401139 - E3030 HEATED REAR WINDSCREEN AND DOOR MIRROR DEFROSTING - Functional description (Two-zone climate control system, Low setup)

Functional description

The heated rear windscreen relay T11, located in the underdashboard junction unit B2, controls the simultaneous activation of the defrosting function for both the heated rear windscreen P55 and the resistances located in the mirrors P60 and P61 via the lines protected by fuses F40 and F41, respectively of junction unit B2. The supply for the coil for relay T11 is 'controlled by the ignition' (INT/A) and is energized by an earth signal coming from the Body Computer M1 - pin 6 of connector F; this signal is sent according to the control logic described previously and when there is an earth signal at pin 32 of connector G of M11 from the heated rear windscreen button. This signal comes from climate control unit H80, which receives the positive signal for activation of the relevant led - from pin 21 of connector H of M1 -.

Functional description

This signal comes from the climate control system control unit M70 to which the signal for switching on the LED is sent from pin 21 of connector H of M1.