Checking the selector switch

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Selector switch connected.
• Ignition on.
• Selector switch on.

  Connect a voltmeter between terminal #3 on the selector switch connector and ground.

  Fig 3: Identifying Selector Switch 5-Pin Connector

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Voltage Display

  Courtesy of VOLVO CARS OF NORTH AMERICA.

The voltmeter should read battery voltage when the SET+ switch is activated. The voltmeter should read approximately 0 V when the SET switch is not activated. 

• OK 

  Refer to Checking the power supply for the control module 

• NOT OK 

  Refer to Checking the connector for the selector switch