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Cabin Compartment Node (Ccn) - Electrical Diagnostics: Overview RAM Cab & Chassis 3500 HD

THEORY OF OPERATION

The Compass/Temp button is integral to the Left Steering Wheel Switch. The Left Steering Wheel Switch is hardwired to the Right Steering Wheel Switch (Speed Control Switch). The Right Steering Wheel Switch (Speed Control Switch) sends switch commands to the Cluster over the LIN Bus circuit. For more information concerning the Steering Wheel Switches, and. Refer to SWITCH, EVIC CONTROL, OPERATION . Refer to OPERATION .

The Reset button is integral to the Left Steering Wheel Switch. The Left Steering Wheel Switch is hardwired to the Right Steering Wheel Switch (Speed Control Switch). The Right Steering Wheel Switch (Speed Control Switch) sends switch commands to the Cluster over the LIN Bus circuit. For more information concerning the Steering Wheel Switches, and. Refer to SWITCH, EVIC CONTROL, OPERATION . Refer to OPERATION .

The Remote Radio Switches are hardwired to the Right Steering Wheel Control Switch (Speed Control Switch). The Right Steering Wheel Switch (Speed Control Switch) sends switch commands to the Cluster over the LIN Bus circuit. For more information concerning the Remote Radio Switches. Refer to SWITCH, REMOTE RADIO, OPERATION .

The Remote Radio Switches are hardwired to the Right Steering Wheel Control Switch (Speed Control Switch). The Right Steering Wheel Switch (Speed Control Switch) sends switch commands to the Cluster over the LIN Bus circuit. For more information concerning the Remote Radio Switches. Refer to SWITCH, REMOTE RADIO, OPERATION .

The Steering Wheel Control Down Switch is integral to the Left Steering Wheel Switch. The Left Steering Wheel Switch is hardwired to the Right Steering Wheel Switch (Speed Control Switch). The Right Steering Wheel Switch (Speed Control Switch) sends switch commands to the Cluster over the LIN Bus circuit. For more information concerning the Steering Wheel Switches, and. Refer to SWITCH, EVIC CONTROL, OPERATION . Refer to OPERATION .

The Steering Wheel Control Right Switch is integral to the Left Steering Wheel Switch. The Left Steering Wheel Switch is hardwired to the Right Steering Wheel Switch (Speed Control Switch). The Right Steering Wheel Switch (Speed Control Switch) sends switch commands to the Cluster over the LIN Bus circuit. For more information concerning the Steering Wheel Switches, and. Refer to SWITCH, EVIC CONTROL, OPERATION . Refer to OPERATION .

The Horn Switch is connected to the Right Steering Switch. The switching status is transferred to the Cluster by way of the LIN bus, a serial sub-bus. The Cluster converts the data to a CAN Bus signal and sends the message to the corresponding module on the bus.