The CSWM shall be a 125 kBd CAN-I controller providing up to eleven outputs capable of heating up to four seats, heating the steering wheel, controlling two ventilated seats, and four switch indicators. Different versions of CSWM can be derived by depopulating to lesser features to meet the different vehicle configurations requirements.The CSWM system has five heat channel outputs, two front heated seats, two rear heated seats and a heated steering wheel. The CSWM also supports two front vented seat control line outputs and a set of rear heat switches, each switch having two LED indicators. The heated seats and heated steering wheel will provide temperature feedback. Refer to vehicle line CSWM System Electrical Diagrams- SED’s.The CSWM shall directly provide power to the seat heating elements. A thermistor sensor feedback from each seat heating elements to the CSWM shall regulate the heater outputs to prevent any seat temperature to rise above set points. Seat heating has two selectable heat settings which are HI and LO. A calibration lookup table of three high settings and one low setting shall be used. Depending on the thermistor reading, the CSWM shall start the heater output by adjusting the PWM heat level according to the calibration table. Each press of the switch shall change the seat heat setting from OFF to HI, HI to LO, and LO to OFF or else the automatic timer shall turn off the heat cycle. The CSWM shall only turn on the heated seats when the key is in the RUN position, with engine running. The heated seats shall be capable of turning on through diagnostics with the key in the run position and the engine either on or off.The seat heating and venting are independent systems; however, they cannot be actuated at the same time. Turning the heat on during vent mode shall turn off the heat and vice versa.The seat heating and venting are independent systems; however, they cannot be actuated at the same time. Turning the heat on during vent mode shall turn off the heat and vice versa.wheel is an option only available with at least the presence of front heated seats. The CSWM shall only turn on the heated steering wheel when the key is in the RUN position and with the engine running. During a diagnostic event the heated steering wheel shall be capable of turning on with the key in the RUN position and with or without the engine running. A thermistor sensor feedback from the steering wheel heating element via the CAN bus to the CSWM shall regulate the heater output to prevent the wheel temperature to rise above the maximum threshold temperature set point. Wheel heating has one selectable heat setting. A calibration lookup table of four heat levels shall be used to maintain heated wheel performance. Depending on thermistor reading, the CSWM shall start the heater output by adjusting the PWM heat level according to the calibration table. Each press of the switch shall change the wheel heat setting from OFF to ON, and ON to OFF, or else the automatic timer shall turn off the heat cycle.The seat heating and venting are independent systems; however, they cannot be actuated at the same time. Turning the vent on during heat mode shall turn off the heat and vice versa.Products and processes used to manufacture the products listed in this standard must conform to the employee and consumer health, employee safety, regulated substances, recycling and environmental reporting requirements contained in CS-9003.Mandatory or suggested tests if any provided within this standard are meant to assure compliance to the specification but do not relieve the responsible entity from ensuring that the component or system meets all environmental, physical, electrical, mechanical, functional, regulatory and durability requirements including all applicable system interface requirements as described in the standard for the entire duration of specified design life.Recommended sample size planning, test methodologies, analysis methodologies and DVP&R instructions are provided in Chrysler’s “Product Assurance Testing” manual (QR-10008). A test plan (DVP&R) shall be developed to verify and validate all required functions specified at a minimum in thisSamples utilized for Design Verification (DV) shall meet specified print tolerance range. Samples for Production Validation (PV) shall meet statistical capabilities for machine and manufacturing processes. Test samples for Production Validation (PV) and Continuous Conformance (CC) testing shall be chosen at random from PSO runs or production lots as applicable. Chrysler’s DVP&R form is found in QR-10021 (DVP&R Template). Where necessary, each line item of the DVP&R must be supported by a comprehensive test or laboratory procedure. DVP&R agreement by Chrysler does not relieve the responsible entity from ensuring that the component or system meets all environmental, physical, electrical, mechanical, functional, regulatory and durability requirements including all applicable system interface requirements, in the entity’s area of responsibility, as described in the standard for the specified design life.Suggested, recommended or specified components and/or suppliers, if any, are still required to comply to the specification and do not relieve the responsible entity from ensuring that the component or system utilizing these suggested, recommended or specified components and/or suppliers meets all environmental, physical, electrical, mechanical, functional, regulatory and durability requirements including all applicable system interface requirements, in the entity’s area of responsibility, as described in the standard for the specified design life.The CSWM shall not show any degradation to component functions stated in section 5.0 when exposed to applicable environmental conditions from Climatic Stresses, Mechanical Stresses, Solid/Fluid Stresses, and Chemical Stresses as defined in sections 3.1 through 3.4 during the vehicle’s design/service life.A. Temperatures Classification at the given module packaging location in vehicle shall be as given in Table 3: TEMPERATURE CLASSIFICATION. If the operating temperatures for the module are below default standards due to technological limitations, refer to SD-12659 for HTOE, PTCE, TS and HTHE test durations.The CSWM shall withstand the mechanical stresses typical for mounting on seat pan or bracket, which is defined as Vibration Class defined in Table 2: COMFORT SEAT AND WHEEL MODULE - GENERAL E/E COMPONENT CLASSIFICATION in section 3.0. Mechanical stresses include exposure to all types of vibration intensities, including mechanical shocks and handling drops experienced during vehicle driving, manufacturing assembly, handling and service.Chrysler recommended verification tests for the mechanical stresses experienced by the CSWM are summarized in Table 4: EE/ EM - COMPONENT SPECIFIC TEST REQUIREMENTS in section 3.5.Stresses induced by exposure to dust and fluids that may be encountered in its specified vehicle mounting location. The CSWM shall be classified as IP (International Protection) category IP 5K2 for protection from solid and liquid intrusion.Stresses encountered when exposed to corrosive environmental gases, salt fog from salt on road or in atmosphere experienced in coastal area as well as the fluids and chemicals from the list given in this section:- Interior cleaning fluid – Armorall Protectant - Soapy water – 5% soap concentration by weight & water mix - Hot beverages – Coffee with cream 6ml & sugar 6ml - Cold beverages – Regular Coke, Diet Coke - Saline solution - Salt solution 10% salt by weightThe CSWM shall use a snap-in design to mount under one of the front seats cushion pans or a bracket mounted to one of the seat structures. The CSWM shall be installed inside the passenger compartment to a flat metal body surface for possible heat sinking.The CSWM shall conform to the applicable Electrical System requirements specified in CS-11979. Verification test plans for these requirements shall be developed using Chrysler Electrical and EMC test plan template. The test plans shall be approved by Chrysler Product Release and EMC Engineers. Component level DV and PV validations shall be performed at a Chrysler Recognized EMC Laboratory. Contact E/E Systems Compatibility Department (5140) for the detailed procedure. As a low cost option the EMC/EE Testing may be performed at the Chrysler EMC Laboratory.The CSWM shall conform to the applicable component level EMC requirements specified in CS-11979. Verification test plans for these requirements shall be developed using Chrysler Electrical and EMC test plan template. The test plans shall be approved by Chrysler Product Release and EMC Engineers. Component level DV and PV validations shall be performed at a Chrysler Recognized EMC Laboratory. Contact E/E Systems Compatibility Department (5140) for the detailed procedure. As a low cost option the EMC/EE Testing may be performed at the Chrysler EMC Laboratory.Connectors and wire harness (including pigtails) shall be reviewed by Chrysler Release Engineer, EE QRE (Quality Reliability Engineer) and Wiring & Connector responsible engineers for any EE Interface issues with the adjoining sub-systems for compliance to Chrysler Preferred Practices using SD-12219 “EE Interface Checklist”.The CSWM shall use a snap-in design to mount under one of the front seats cushion pans or a bracket mounted to one of the seat structures. The CSWM shall be installed inside the passenger compartment to a flat metal body surface for possible heat sinking.If the connector is sourced by FGA, it shall meet the requirements of Fiat 9.91320/02, Fiat TS-80209/02 and SAE/USCAR-25. Approved Fiat connectors can be found in the Fiat Ridbul Catalog. Any deviation must be approved by EE Power & Signal Distribution Package/Design Department – Fiat Group Automobiles (FGA)The CSWM shall be flash programmable over the CAN Diagnostic for in-vehicle programming of software and/or calibrations at the vehicle assembly plant or at a service facility.The front and rear heated seat elements consist of a cushion element connected in parallel with a back element. The combined load shall range from 2.67 ohms to 6.67 ohms. These values do not include the vehicle wiring harness impedance.The CSWM shall directly provide power to the steering wheel heating element. The heated steeringThe CSWM shall provide a vented seat control line for the two front seats. The front vented seats are an option only available with at least the presence of front heated seats. The seat venting has two selectable speeds for the fans. For seat venting, each press of the switch button shall cause the seat to change venting modes. The CSWM shall only activate the vented seat control line when the key is in the RUN position and with the engine running. During a diagnostic event the vented seats shall be capable of turning on with the key in the RUN position and with or without the engine running. Seat venting has two selectable vent settings which are HI and LO. A calibration lookup table of one high setting and one low setting shall be used to manage vent level. Each press of the switch shall change the seat vent setting from OFF to HI, HI to LO, and LO to OFF.The CSWM shall provide a vented seat control line for the two front seats. The front vented seats are an option only available with at least the presence of front heated seats. The seat venting has two selectable speeds for the fans. For seat venting, each press of the switch button shall cause the seat to change venting modes. The CSWM shall only activate the vented seat control line when the key is in the RUN position and with the engine running. During a diagnostic event the vented seats shall be capable of turning on with the key in the RUN position and with or without the engine running. Seat venting has two selectable vent settings which are HI and LO. A calibration lookup table of one high setting and one low setting shall be used to manage vent level. Each press of the switch shall change the seat vent setting from OFF to HI, HI to LO, and LO to OFF.The CSWM package size shall not exceed 150mm (L) x 50mm (H) x 100mm (W).