Checking The Diagnostic Trouble Codes (DTCS)

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition on
• Read off diagnostic trouble codes (DTCs).

  Check if any diagnostic trouble codes (DTCs) are stored for the electronic throttle unit or the throttle position (TP) sensor.

  If any of these diagnostic trouble codes (DTCs) are stored, these must be remedied first.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS CORPORATION

Are any of the above diagnostic trouble codes (DTCs) stored? 

• YES 

  Refer to FAULT-TRACING INFORMATION 

• NO 

  Refer to CHECKING COMPONENTS AND WIRING