Checking / Replacing Relay 2/120

Remove the relay 2/120 and check the relay socket's contacts for contact resistance and oxidation. Checking wiring and terminals. Permanent fault

Install the relay.

Activate the relay with the switch child safety lock, for windows rear doors, on the driver's control panel (activated relay LED on).

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

Other information 

• See Central electronic module (CEM), replacing

Fig 1: Identifying Relays

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the function OK? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing Relay 2/120