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Generator (Gen) (2008-10): Function: Notes

Fig 1: Identifying Alternator Control Module (ACM), Engine Control Module (ECM) And Central Electronic Module (CEM)
GLL154613Courtesy of VOLVO CARS CORPORATION

Output voltage from the generator (GEN) is calculated from the calculated battery temperature in order to charge the battery fully. The central electronic module (CEM) calculates the battery temperature using the outside temperature. The outside temperature is obtained from the outside temperature sensor.