Intermittent fault

Check the cable between control module terminal #8 and the signal terminal for the flame sensor. Check for an intermittent short-circuit to ground.

Remedy as necessary.

Other information:

To access the control module or connect the breakout box, see Connecting the breakout box
For other values, see Signal specification
See Checking wiring and terminals .

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Flame Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.