194001778 - E7065 ELECTRIC STEERING LOCK - FUNCTIONAL DESCRIPTION

The steering lock control unit M089 controls and regulates the entire electrically controlled steering column locking system.The direct power supply for the control unit M089 - pin C1 - arrives from the battery via the line protected by fuse F3 of the engine compartment junction unit B001. Pin A4 of M089 is earthed.The steering lock control unit M089, depending on the rotation of the key in the ignition device H003, receives the following signals:- at pin A6, the key inserted signal (TEG_IN);- at pin B5, the key turned to ON signal (TEG_MAR);- at pin C5, the first starting signal with the key turned to START (TEG_Crank1);- at pin C6, the second starting signal with the key turned to START (TEG_Crank2);The ignition device H003 - pins 1 and 2 - communicates, via the CAN, with the steering lock control unit M089 - pins A2 and A3 - for the enablement of the steering release after recognizing the TEG inserted in the reader.The steering lock control unit M089 receives signals from the NC and NA contacts for the switch on the brake pedal I030 at pins C4 and C7 respectively.    See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENTThe signal for the correct position of the gear lever (PARK) is sent by the automatic transmission control unti M055 (pin 5 of connector A) to pin B4 of the steering lock control unit M089.The steering lock control unit M089, depending on the position of the key in the ignition device H003, provides the following power supplies:- INT, from pin A1 to the junction unit under the dashboard B002 - pin 11 of connector H -;- INT/A, from pin C8 to the junction unit under the dashboard B002 - pin 1 of connector H -;- 15/54, from pin B1 to the engine compartment junction unit B001 - pin 30 of connector A - ;- +50, from pin B8 to the starter motor A020.For further details,    See E1010 POWER SUPPLY    See E5010 STARTING AND RECHARING