Fault handling, (III) other emission-related components and functions
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Fault handling, (III) other emission-related components and functions
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A diagnostic trouble code will be generated when the fault criteria are fulfilled.
For the diagnostic trouble code to be cleared without any other measures being taken requires a further 40 warming-up cycles without the fault recurring.
CHECK ENGINE lamp will go on if the fault recurs during the next driving cycle.
For the CHECK ENGINE lamp to go out without any further measures being taken requires 3 consecutive driving cycles without the fault reoccurring.
For the diagnostic trouble code to be cleared requires a further 40 fault-free warming-up cycles.
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1.
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Fault criteria fulfilled
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2.
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Diagnostic trouble code generated
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3.
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Same fault occurs during next driving cycle
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4.
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CHECK ENGINE lamp goes on
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5.
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Fault does not occur during 3 consecutive driving cycles
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6.
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CHECK ENGINE lamp goes out
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8.
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Fault does not occur during 40 warming-up cycles
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9.
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Diagnostic trouble code cleared
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10.
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Fault does not occur during 40 warming-up cycles
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