Activating the continuous variable valve timing (VVT) test

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Start the engine and let it idle.
  NOTE:

  The engine must be idling and the engine coolant temperature (ECT) must be between 50 °C and 92 °C throughout the entire test.

• Activate the continuous variable valve timing (VVT) test by clicking on the VCT-2000 symbol
• Wait until the engine coolant temperature (ECT) exceeds 50 °C
• Start the continuous variable valve timing (VVT) test
• Wait until the continuous variable valve timing (VVT) test is complete. CVVT test complete YES is displayed with the test is complete
• Read off the results of the continuous variable valve timing (VVT) test. The continuous variable valve timing (VVT) test results are read off automatically when the test has been correctly completed
• The OK status will be displayed if the control module does not detect any faults. The NOT OK status will be displayed if the control module detects any faults
• Click the stop button to rerun the test.
  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the OK status displayed? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information