192004706 - E3076 ELECTRICALLY-ADJUSTABLE SEATS - FUNCTIONAL DESCRIPTION
Functional description
The control units for the driver''s seat H66 and the passenger seat H67 control the entire system.The knobs and buttons for the various functions are incorporated in the actual control units.The supply for H66 and H67 - at pin 6 of connector B - arrives via relay T22 located in the luggage compartment fuse box B45 and is energized by the line controlled by the ignition (INT/A) for relay T12 protected by fuse F43, both housed in the junction unit under the dashboard B2 .Fuses F56 and F60 of B45 protected the two circuits.Pin 4 of connector A and 3 of connector B of H66 and H67 are earthed.Pins 7 and 9 of connector C of H66 and H67 are connected to the Body Computer M1 via the CAN.The two control units H66 and H67 control the various motors that move the seats according to the logic illustrated above:
- adjustment of the backrest angle: from pins 2 and 6 of connector A and from pins 4 and 10 of connector C for motor N132 or N135 ;
- lengthwise adjustment of the seat: from pins 4 and 12 of connector C and from pins 1 and 4 of connector B for motor N127 or N130 ;
- height adjustment of the cushion: from pins 2 and 5 of connector B (and, for the driver''s side only, from pins 4 and 11 of connector C) for motor N39 or N128 ;
- lumbar adjustment: from pins 1 and 5 of connector A of H66 and H67 for mtor N38 or N133 .