Checking the wiring and component

Check that the back-up (reversing) lamp relay (position 2/80) is correctly installed.

Check the relay terminal (2/80). Check for contact resistance and oxidation. Check for loose connections.

Other information:

For further information about signals and other values, see Signal specification
To connect the breakout box, see Connecting the breakout box
To access the rear electronic module, see Integrated relay/fuse box cargo compartment/rear electronic module, replacing
When the relay is installed and activated, the voltage at the relay guide should be 0 V
See Checking wiring and terminals. Intermittent faults .

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Relays

Courtesy of VOLVO CARS OF NORTH AMERICA.