Checking The Wiring And Component

Check the cable between control module terminal #A45 and knock sensor (KS) terminal 3. Check for a short-circuit to ground.

Check the cable between control module terminal #A64 and knock sensor (KS) terminal 4. Check for a short-circuit to ground.

Remedy as necessary.

Other information: 

• To localize the knock sensor (KS), see Location of components
• To connect the breakout box, see Connecting the breakout box
• For information about signals, 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.

Was a fault found in the wiring? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing knock sensor