Checking ground lead

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Remove the connector from the antenna unit.

  Check the cable between the antenna unit terminal #7 and ground terminal 31/83. Check for an open-circuit.

  Remedy as necessary.

  Other information: 

  • To access the immobilizer antenna unit/connector, see Antenna unit, start inhibitor, replacing
  • See Checking wiring and terminals .
  Fig 2: Breakout Box

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Ohm Meter

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Is the cable OK? 

• YES 

  Refer to Checking the power supply 

• NO 

  Refer to Verification