Checking back-up (reversing) lamp switch/gear-shift position sensor signal

Fig 1: Identifying Ignition On Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.
• Put into back-up (reverse) gear.
• Read off the value for gear position.

  The value should be REAR when in back-up (reverse) gear and STILL/ADV in neutral/forward gear.

  Fig 2: Identifying VCT2000

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the value OK? 

• YES 

  FAULT NOT FOUND:  Troubleshooting has been completed.

• NO 

  Refer to Checking connectors and cable