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Home >> Volvo >> 2011 >> XC90 V8 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> AEM, CEM, And AUU - Diagnostic Trouble Codes >> CEM-1A03: S-Power Supply. Signal Too Low. Permanent Fault (2003-2004) >> Signal Too Low. Permanent Fault >> Verification >> Verification

Signal Too Low. Permanent Fault: Verification: Verification

HINT: After the repair it is necessary to check that the fault has been rectified. 

Fig 1: Identifying Ignition ON
GLL101051Courtesy of VOLVO CARS CORPORATION
Fig 2: Connecting Connector
GLL101069Courtesy of VOLVO CARS CORPORATION

Is voltage on the wire high?