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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-8F23: Relay, Windshield Wiper. Signal Too High. Permanent Fault (2000-2004) >> Signal too high. Permanent fault >> Checking the fusebox

Checking the fusebox

Remove windshield wiper relay 2/91 from the fusebox base.

Check the relay coil driver circuit for a short-circuit to supply voltage. Take a voltmeter reading between terminal #2 and ground in the relay base.

The voltage between terminal #2 and ground should be approximately 0 volt.

Other information: 

Fig 1: Identifying Voltage Display
GLL101041Courtesy of VOLVO CARS OF NORTH AMERICA.
Fig 2: Identifying Connectors
GLL106083Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the function OK?