Read the diagnostic status for readiness

Read off the status for the diagnostic functions that are required in order for the Readiness code to be set.

Select the appropriate remedy depending on this status: 

1. If the heated oxygen sensor (HO2S) diagnostic, three-way catalytic converter diagnostic or if more than one function is not complete.

   Refer to Carry out TRIP 

2. If the leak diagnostic is not complete.

   Refer to Quick fuel tank system test 

3. If the probe warming is not complete.

   Refer to Probe warming not complete 

Fig 1: Identifying VCT2000 Diagnostic Tool

Courtesy of VOLVO CARS OF NORTH AMERICA.