Signal Too Low: Verification: Verification

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

Fig 1: Engine Start Verification

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Fig 2: Connecting Connector

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• Ignition off.
• Reinstall the connectors, components etc.
• Ignition on.
• Read off and make a note of the adaptation value.
• Start the engine. Increase the engine speed (RPM) a couple of times.
• Read off the adaptation value and check that the adaptation value approaches 1.
  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

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  Fig 4: Identifying Mass Air Flow (MAF) Sensor

  Courtesy of VOLVO CARS CORPORATION

Does the adaptation value approach 1? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION