Checking And Replacing The Component

Remove relay 2/118. Check the relay base switches for contact resistance and oxidation according to CONTACT RESISTANCE AND OXIDATION .

Install the relay.

Activate the relay using the control panel on the left rear door, window down.

If the function is now OK the fault was caused by a contact fault in the relay base.

Other information 

• For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING
• For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Relays

Courtesy of VOLVO CARS CORPORATION

Was the function OK? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to REPLACING THE COMPONENT