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Function test > < Meaning of exhaust emissions warning lamp
Engine: AUB
Engine: AUB
When the engine control unit detects a fault, the exhaust warning lamp lights up.
   
Location of the exhaust warning lamp.
  Note!
t  The exhaust warning lamp can flash or stay lit. In either case consult the fault memory → Chapter:
t  The warning lamp flashes: there is fault that in the current driving state could damage the catalyst. In this case, drive only at very low revs.
t  The warning lamp stays lit: there is a fault that may degrade the composition of exhaust emissions. Consult the engine or automatic gearbox control unit fault memory.
t  If there is a fault in vehicle driving performance or a complaint from the customer and the exhaust warning lamp does not light up, consult the fault memory: there could be stored in the memory a type of fault that does not light up the warning lamp instantaneously.
  N01-0422

Function test > < Meaning of exhaust emissions warning lamp