Fault erasing counter
For each recognized fault, an individual fault erasing counter is kept. It contains the defined number of required OK tests until the respective fault is erased in the fault memory.
The first time a fault is recognized, the fault erasing counter is set to 80, for example (suspected fault).
If an unshedded fault is recognized as healed, the fault erasing counter is set to 10 (only visible for the PST2). (Workshop help for very sporadic faults)
Each time a shedded fault is recognized (= CE light on), the fault erasing counter is set to 40, for example. It retains this value until fault healing is recognized.
The fault erasing counter is decreased by 1 after each warm-up cycle if the fault in question is recognized as unshedded or healed. When the fault erasing counter reaches the value 0, the fault is erased from the memory. Faults that are confirmed but not recognized as healed are not decremented in the fault erasing counter.