Checking For A Short-Circuit

Check the cable between the sun roof module (SRM) and the roof lamp module. Check for a short-circuit to supply voltage.

UEM-0070 Sun roof. Faulty signal

The sun roof module (SRM) terminal #3A and roof lamp module terminal #2B.

UEM-0070 Sun roof. Faulty signal

The sun roof module (SRM) terminal #7A and roof lamp module terminal #1B.

Replace the cable if a fault is found.

Other information:

For further information about signals and other values, see Signal Specification
To access the roof lamp module connector, see Interior Lighting, Replacing
To access the sun roof module (SRM) connector, see Control Module, Sun Roof, Replacing
See Checking Wiring And Terminals .

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Voltage Display

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Sunroof Module Connector A Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.