Checking the cable

Check the cable between the central electronic module (CEM) terminal #17D and the hazard warning signal flasher switch terminal #1 (3/6). Check for a short-circuit to supply voltage. Check for an open-circuit.

Remedy as necessary.

If no faults were found, replace the switch.

Other information: 

• For information about the central electronic module (CEM) connector, see CENTRAL ELECTRONIC MODULE (CEM), REPLACING
• To connect the breakout box, see Connecting the breakout box
• For information about signals, see Signal specification
• To replace the switch for the hazard warning signal flasher, see Switch, hazard warning signal flasher, replacing
• See Checking wiring and terminals .

Fig 2: Identifying Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Rain Sensor Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.