Signal missing, permanent fault: Verification: Verification

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

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Reinstall connectors, components etc.
• Start the engine.
• Air conditioning (A/C) switch on
• Start the blower fan

  Check that the pressure increases in the air conditioning (A/C) system when the air conditioning (A/C) compressor engages.

  Also check if cold air blows into the passenger compartment when at the coolest setting.

  NOTE:

  The air conditioning (A/C) pressure is given in volts for values see appropriate Component specifications.

  Fig 3: Identifying VCT2000 Diagnostic Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying A/C Pressure Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the pressure in air conditioning (A/C) system change? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information