Checking the connectors

Check the central electronic module (CEM) connector for contact resistance and oxidation and remedy according to Contact resistance and oxidation and loose connections according to Loose connections (terminals) .

Check for damage carefully.

HINT: If the fault cause is found, reinstall the components, connectors etc. 

HINT: If the fault cause is not found, do not reinstall the control module before continuing with fault-tracing. 

Other information: 

• To access / replace the central electronic module (CEM) connector, see Central electronic module (CEM), replacing .

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking wiring