Checking Relay

Fig 1: Identifying Ignition Switch OFF Position

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• Ignition off.

  Check that relay 2/63 is installed correctly. At the same time check the relay connections, in particular 2/63 2, for a short circuit to voltage supply as described in Short-circuit to supply voltage. Permanent faults .

  Additional information: 

  • To replace relay, see Central electronic module (CEM), replacing
  • To connect the test box, see Connecting the breakout box .
  Fig 2: Identifying Breakout Box

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  Fig 3: Identifying Voltmeter

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

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Is there a fault? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing Relay