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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Central Electronic Module (CEM), Rear Electronic Module (Rem), Upper Electronics Module (UEM) - Diagnostic Trouble Codes - 1 Of 13) >> CEM-1A08: 50-Power Supply. Signal Missing. Intermittent Fault (2001-2004) >> Signal missing. Intermittent fault >> Checking the cable

Checking the cable

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Check the cable between central electronic module connector terminal #20A and the ignition switch connector terminal #50. Check for an open-circuit according to Open-circuit, intermittent faults . Check for a short-circuit to ground according to Short-circuit to ground, intermittent faults .

Other information 

Fig 1: Identifying Breakout Box
GLL100304Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Identifying Central Electronic Module (CEM) Connector Terminals
GLL103220Courtesy of VOLVO CARS OF NORTH AMERICA.