Operation - Section 3 OM3020.2 12/99 Page 3-22 Operator Cab and Controls PSC DOWNLOAD PORT This connector (13, Figure 3-4) is for use by qualified personnel to access diagnostic information for the Propulsion System Controller (PSC). ENGINE DIAGNOSTICS DOWNLOAD PORT This connector (14, Figure 3-4) is for use by qualified personnel to access the diagnostic information for the Engine Control system. TCI DOWNLOAD PORT This connector (15, Figure 3-4) is for use by qualified personnel to access the Truck Control Interface (TCI) diagnostic information and data. PASSENGER SEAT The Passenger Seat (16, Figure 3-4) is mounted on top of the right hand portion of the Center Console struc- ture.
The area beneath the passenger seat provides a cabi- net for various 24 VDC electrical components. Consult the Shop Manual for service involving any of these components.