CODE - FUNCTIONAL DESCRIPTION

1.2 8v, 1.3 Multijet, 1.4 16v

FUNCTIONAL DESCRIPTION

The Code unit contained in the Body Computer M001 receives a direct battery power supply (pin 1 of connector A) protected by fuse F01 of the engine compartment junction unit B001 (pin 18 of connector B); it also receives an ignition-controlled power supply (INT) at pin 11 of connector E.

The Body Computer M001 is also connected to the driver''s dashboard earth C015 via pins 9 and 10 of connector E.

The CODE aerial P091 is connected to pins 1 (earth) and 2 (signal) of connector D of the Body Computer M001; the aerial is positioned coaxially on the ignition switch in order to detect the key being inserted and turned.

The key recognition dialogue and the exchange of codes between the Body Computer M001 and the engine management control unit M010 takes place via the C-CAN, through pins 44 and 45 of connector B of the Body Computer M001 and pins 50 and 49 of connector A of the engine management control unit M010 on the 1.2 petrol version (pins 88 and 89 of connector A of M010 on the 1.4 petrol version; pins 64 and 40 of connector A of M010 on the 1.3 JTD version).

See E1050 CAN CONNECTION LINES

The Body Computer M001 is connected, via the B-CAN line, from pins 18 and 20 of connector D, to the instrument panel E050 (pins 5 and 6) to manage the "vehicle protection system - CODE failure" warning light.