Class 2 Serial Data Line

The class 2 serial data communications circuit on this vehicle is in a star configuration. This configuration has 3 splice packs, located as follows:

• The splice pack - SP205 located near the data link connector
• The splice pack - SP206 located under the steering column
• The splice pack - SP207 located under the LH cowl panel

There is also a direct redundant class 2 serial data circuit between BCM and PCM.

The following modules communicate on the class 2 serial data circuit:

• Splice pack - SP205 attaches to:
  • BCM
  • DDM
  • EBCM
  • ESC
  • FPDM
  • HVAC control module
  • IPC
  • PCM
  • Radio
  • TCSCM
• Splice pack - SP206 attaches to:
  • Audio amplifier (early production), refer to Radio/Audio System Description and Operation in Entertainment for more information.
  • RSA control
  • VCIM
• Splice pack - SP207 attaches to DSM and SDM.