Instrument Cluster (Ic)
The IC receives a permanent battery voltage supply via the RJB. The HS CAN powertrain bus and HS CAN comfort bus are also connected to the IC which communicates with other control modules.
The Electric Steering Column Lock (ESCL) ground is connected directly to the IC with the ESCL battery supplied from the body control module/gateway module (BCM/GWM). The steering wheel switchpack inputs are sent to the IC via the Local Interconnect Network (LIN) input. Other vehicle sensors are connected to the BCM/GWM module which processes the signals from the sensors and passes them to the IC on the HS CAN powertrain bus. The Ambient Air Temperature (AAT) signal is received by the PCM which processes the signal and passes the information to the HVAC control module (HVAC) unit which sends the signal to the IC.
For additional information, Refer to: INFORMATION AND MESSAGE CENTER