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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM & Rem Diagnostic Trouble Codes - 9 Of 12 >> CEM-8F12: Beam Setting Control. Signal Too Low. Intermittent Fault (1999-2004) >> Signal too low. Intermittent fault >> Checking the wires and contacts

Checking the wires and contacts

Check wiring between central electronic module (CEM) #9A and beam setting control #2 (6/38) for LH and (6/39) for RH actuator, for an intermittent short circuit to ground, as described in Short-circuit to ground, intermittent faults .

Also check wiring between central electronic module (CEM) #8A and beam setting control #3 (6/38) for LH and (6/39) for RH actuator an for intermittent open circuit, as described in Open-circuit, intermittent faults .

Do the necessary corrective action

Additional information: 

Fig 1: Identifying Connector Terminals
GLL104052Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 3: Ground Terminals
GLL104191Courtesy of VOLVO CARS OF NORTH AMERICA.