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Home >> Volvo >> 2012 >> XC90 Base, FWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Accessory Electronic Module (AEM) And Central Electronic Module (CEM) - Diagnostic Trouble Codes - 2 Of 2 >> CEM-8F25: Relay, Windshield Wiper. Signal Too Low. Permanent Fault (2003-2004) >> Signal Too Low. Permanent Fault >> Checking The Cable For A Short-Circuit To Ground
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Checking The Cable For A Short-Circuit To Ground

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

Check the cable between relay base terminal #2 and ground. Check for a short-circuit to ground.

Remedy as necessary.

Replace the fusebox if no fault is found.

Other information: 

Fig 1: Identifying Ohm Meter
GLL101042Courtesy of VOLVO CARS CORPORATION
Fig 2: Identifying Connectors
GLL106083Courtesy of VOLVO CARS CORPORATION