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HOMESERVICE MANUALSFORD2010MUSTANG BASE, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 643 (SEATING)DIAGNOSIS AND TESTINGSEATSPRINCIPLES OF OPERATIONHEATING CHARACTERISTICS
2010 Ford Mustang Base, 2D Coupe, Automatic

Heating Characteristics

2010 Ford Mustang Base, 2D Coupe, AutomaticSECTION Heating Characteristics
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The presence of overtemperature faults (DTCs B2729, B2730, B272A and B272B) can be induced by incorrect operation of the climate controlled seat system after an initial HEAT setting has been attained. If a HEAT setting is repeatedly turned OFF and ON in an attempt to increase the seat temperature, an overtemperature condition can result and the DTC(s) will be set.
  • In HEAT mode, the TED circuits of a given seat are wired in parallel internally in the DCSM.
  • The climate controlled seat system draws approximately 24 amperes, with both seats heating, until reaching the set point and then the system operates at a reduced amperage to maintain the climate setting.
  • In HEAT mode, the TED can add up to 40°C-60°C (72°F-108°F) to the ambient air temperature entering the system.
  • There are 3 manual settings based on the LEDs above each seat heat switch button on the EATC. The first setting is HIGH (3 LEDs), the second setting is MED (2 LEDs), the third is LOW (1 LED) then OFF (no LEDs).
  • In the LOW setting, the climate controlled seat module is set to maintain TED temperature at approximately 46°C (115°F).
  • In the HIGH setting, the climate controlled seat module is set to maintain TED temperature at 65°C (149°F).
  • If the temperature at one of the TEDs rises above 110°C (230°F) in the HEAT mode or 65°C (149°F) in the COOL mode for more than 4 seconds, the DCSM will record an overtemperature DTC, remove power from the TEDs and go into BLOWER ONLY mode in an attempt to cool down the TEDs. If the TEDs temperature has not dropped to 105°C (221°F) in the HEAT mode or 60°C (140°F) in the COOL mode after 30 seconds, the DCSM will shut down and remain off until the ignition is cycled. Also if the DCSM detects an overtemperature twice during the same ignition cycle, it will also shut down.
  • When heating, the DCSM will vary the speed of the fans and the TED duty cycle in order to reach and maintain the temperature determined by the switch setting.
  • Seat heating has a maximum operating duration of 15 minutes.
    INITIAL TEMPERATURE CHART

    Climate Controlled Seat Heat State Initial Temperature Final Temperature
    HIGH 90°C (194°F) 65°C (149°F)
    MED 80°C (176°F) 60°C (140°F)
    LOW 75°C (167°F) 46°C (115°F)
RENDER: 1.0x

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