Read The Diagnostic Status For Readiness

Read off the status of the diagnostic functions.

Select the appropriate remedy depending on this status 

1. Readiness for probe diagnostics, diagnostics for heated oxygen sensor (HO2S) preheating three-way catalytic converter (TWC) diagnostics "NOT READY".

   Refer to CARRY OUT TRIP 

2. Readiness for leak diagnostics "NOT READY".

   Refer to QUICK TEST OF THE FUEL TANK SYSTEM 

HINT: The diagnostic for evaporative emission control is included in readiness for leak diagnostics. 

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS CORPORATION