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64 ELECTRIC/ELECTRONIC SYSTEM D AILY E URO 4 The Body Computer is the central unit of the electrical system of vehicle under examination. Its task is to manage main functions - External and internal illumination - Central door locking actuator controls, windscreen washers and wipers, front electric window winders, etc. - Acquisition of switches and controls from steering column switch unit, pushbuttons, etc. Inside, it integrates diagnosis connector EOBD (16 pins) for board diagnostics (previous diagnosis connector is not present any It interfaces with vehicle system through three connectors: two connectors are located in front side and one connector is located Front connectors: - cab wiring harness (black) connector “LN” - bonnet wiring harness (blue) connector “AV” - diagnosis connector EOBD Rear connector: - instrument panel wiring harness (blue) connector “PF” A closing resistance is present on “C” CAN line positioned in the vicinity of steering column switch unit inside instrument panel. Figure 49 107668 A. Input signals - B. Output signals |