Head Unit Outputs, Bus

WARNING: This page is about a different car, the 2006 Saab 9-5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Head Unit Outputs (bus) - Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

GPS time (hr, min, sec) used by SID (541)
GPS date (0 - 31) used by SID (541)
GPS month (Jan - Dec) used by SID (541)
CD changer control (information for controlling CD changer) used by CD changer (355)
Diagnostics communication, see BUS AND DIAGNOSTICS COMMUNICATION .