Checking the connectors

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Remedy the connectors for the cable harness, sun roof control module and upper electronic module (UEM) for contact resistance and oxidation.

  In particular, check for any damage

• Reinstall the components, reconnect the connectors etc.
• Ignition on.

  Operate the sun roof.

  Other information: 

  • To access the connector for the upper electronic module (UEM), see Interior lighting and upper electronic module (UEM), replacing
  • To access the sun roof connector, see Control module, sun roof, replacing
  • See Checking wiring and terminals .
  Fig 3: Identifying Ohm Meter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Do the sun roof controls operate? 

• YES 

  Refer to Verification 

• NO 

  Refer to Checking for open-circuits and short-circuits