Checking and Replacing the relay

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Remove relay 2/158. Check the relay base switches. Check for contact resistance and oxidation
• Install the relay
• Ignition on.

  Activate the relay.

  If the function is now OK the fault was caused by a contact fault in the relay base.

  Other information 

  • See Checking wiring and terminals .
  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

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

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Was the function OK? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing the relay