Condition for fault identification

Test condition:

The fault is recognized when the time interval exceeds 500 ms.

Potential problem source(s):

• Oxygen sensor too slow owing to cooling
• Oxygen sensor faulty

  Terminal condition: none

  Voltage condition:

• None

  Temperature condition:

• Coolant temperature > 50 °C
• Temperature of catalytic converter > 307 °C

  Time condition:

• None

  Other conditions:

• Engine on