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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Motors, Switches, Relays >> Central Electronic Module (CEM), Rear Electronic Module (Rem), Upper Electronics Module (UEM) - Diagnostic Trouble Codes - 2 Of 13 >> CEM-1A58: Communication With The Phone Module (PHM). Signal Missing (2005-2009) >> Signal missing >> Checking the ground terminal >> Verification
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Checking the ground terminal: Verification

Fig 1: Identifying Ignition OFF
GLL101045Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Control Module Disconnected
GLL101002Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read 0 Ω.