Checking the power supply: Verification

HINT: Check after repair that the fault has been rectified. 

HINT: Proceed as follows: 

• Switch off the ignition.
• Switch off all power consuming components such as the courtesy lighting and the radio.
  Fig 2: Breakout Box

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

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  • Connect an ohmmeter between terminal 16 on the breakout box and the battery negative terminal.

The ohmmeter should read approximately 0Ω. 

• OK 

  Refer to Checking the 15-supply to the control module 

• NOT OK 

  Refer to Information 

HINT: After carrying out the repair, check that the fault has been remedied as follows. 

• Switch off the ignition.
• Disconnect the breakout box if this has not already been done.
• Reinstall the connectors, components etc.
• Switch on the ignition.

  When the ignition is switched on, the control module lights the ABS warning lamp. The ABS warning lamp should go out again after approximately 4 seconds.

  HINT: The lamp does not go out if the control module has detected a fault. 

  Fig 7: ABS Warning Lamp Lights

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the function of the ABS warning lamp OK? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information