System Functions

The Central Control Module (CCM) performs the following functions:

Ambient Light Signal Processing Chime (Belts/Lights/Key Warning/Turn Signal Minder) Control
Courtesy Lamp Control
Delayed Accessory Bus (DAB) Control
Power Windows
Audio System
Dimming Control
Instrument Cluster LCD Backlighting
Instrument Cluster Gages Backlighting
LCD Backlighting (Radio, C68 HVAC)
LED Indicator Dimming
High-Beam Indicator Dimming
Driver Information Center (DIC) Switches
Trip Odometer Reset
Average Fuel Economy Reset
Display Instant/Average Fuel Economy
Display Fuel Range
Display Normal/Trip Odometer
Display Digital Coolant Temperature
Display Digital Oil Temperature
Display Digital Voltage
English/Metric Mode Selection
On-Board Diagnostics Control
Engine Oil Life Monitor Reset\
Fuel Level Detection/Processing
Instrument Panel LCD Digit Display
Fuel Level
Vehicle Speed
Trip Odometer
Normal Odometer
Fuel Range
Instant Fuel Economy
Average Fuel Economy
Digital Coolant Temperature
Digital Oil Temperature
Digital Voltage
Diagnostic Information Display
PASS-Key(R) (Personal Automotive Security System)
Rear Defog Control
Odometer Processing
Oil Level Monitoring
Status Warnings ("Check Gauges" Indicator)
Engine Coolant Overtemperature
Engine Oil Overtemperature
Fuel Level Low
System Component Fault Detection
System Diagnostics Processor/Controller
Trip Computer Processing For:
Instantaneous Fuel Economy
Average Fuel Economy
Fuel Range
Trip Odometer
UART Serial Communications Master
Universal Theft Deterrent (UTD) Control
Vehicle Speed Detection/Processing