Index Chrysler Chrysler Sebring, Stratus sedan, Sebring Convertible - service repair manual 2001-2007 year
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3.9 HEATING AND A/C SYSTEM 3.9.1 SYSTEM AVAILABILITY • Depending on the model, either a Manual Tem- 3.9.2 SYSTEM CONTROLS 3.9.2.1 MANUAL TEMPERATURE The Manual Temperature Control (MTC): • controls blower motor operation, providing four • interfaces with the BCM through hardwired cir- • provides temperature setting information to the • provides an A/C request, an EBL request, and The Body Control Module (BCM): • drives the EBL status indicator in the MTC. • drives the electric door actuators (mode, blend, • sends and A/C request, over the PCI Bus, to the • uses Evaporator Temperature Sensor data to The MTC HVAC system uses: • one, five-wire electric blend door actuator. • one, five-wire electric mode door actuator. • one, two-wire electric recirculation door actuator. 3.9.2.2 AUTOMATIC TEMPERATURE The Automatic Temperature Control (ATC): • is addressable with the DRBIII t • communicates over the Programmable Commu- • can be operated in a manual mode. • uses an integral-mounted aspirator motor and • provides a request over the PCI Bus to the BCM • provides a request over the PCI Bus to the BCM • provides a request over the PCI Bus to the BCM • provides desired blower motor operating speed The Body Control Module (BCM): • drives the ATC status indicators (EBL, A/C, and • remembers the last temperature setting at power • sets the initial temperature setting via the PCI • drives the electric door actuators (mode, blend, • controls blower motor operating speed. ▪ There are 14 blower speeds when the ATC is in • sends a request over the PCI Bus to the PCM • uses sun load sensor data to maintain occupant • uses Evaporator Temperature Sensor data to Blower Motor Operation • The Blower Power Module provides the blower The ATC HVAC system uses: • one, five-wire electric blend door actuator • one, five-wire electric mode door actuator • one, two-wire electric recirculation door actuator. 3.9.3 SYSTEM REVISIONS (ATC & MTC) • The 2005 JR Manual Temperature Control • The Automatic Temperature Control (ATC) HVAC system is new for 2005 JR. The ATC 13 GENERAL INFORMATION |