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Test O: All Temperature Controlled Seats Are Inoperative/Do Not Operate Correctly

CAUTION: On models equipped with side air bags, Air Bag Simulators (Restraint Diagnostic Tool 105-R0012) MUST be connected to all air bag floor connector. After diagnosing/repairing, restraint system diagnostic tool must be removed prior to operating vehicle.
WARNING: On models equipped with side air bags, system must be deactivated. To deactivate air bag system, disconnect negative battery cable and wait one minute.
  1. Turn ignition switch to OFF position. Set temperature controlled seat switch to ZERO position, and tilt seat to rear. Measure voltage of Red//Black wire, by backprobing at temperature controlled seat module terminal. If voltage is greater than 10 volts, go to next step. If voltage is less than 10 volts, repair open in Red/Black wire.
  2. Ensure ignition is off. Measure voltage, by backprobing between Red/Black wire terminal and Black wire terminal at temperature controlled seat module. See Fig 1 . If voltage is greater than 10 volts, repair open in White/Light Blue wire. If voltage is less than 10 volts, repair open in Black wire.
    Fig 1: Identifying Temperature Controlled Seat Module Connector Terminals
    G00013589Courtesy of FORD MOTOR CO.