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Note:
To change to another display group proceed as follows:
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Display group
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V.A.G 1551
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V.A.G 1552
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Higher
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Press key 3
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Press ↑key
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Lower
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Press key 1
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Press ↓key
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Skip
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Press key C
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Press key C
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Display group overview
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Display Gr. number
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Indicated on display
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Meaning
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000
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Read measured val. block 00
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1
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=
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Coolant temperature
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Basic function
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1 2 3 4 5 6 7 8 9 10
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2
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=
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Engine load
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3
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=
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Engine speed
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4
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=
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Battery voltage
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5
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=
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Throttle valve angle
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6
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=
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Control value for air mass at idling speed
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7
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=
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Learned value for air mass at idling speed
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8
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=
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Control value for mixture formation (lambda control value)
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9
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=
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Learned value for mixture formation (lambda learned value)
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10
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=
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Learned value for mixture formation (lambda learned value)
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Display Gr. number
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Indicated on display
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Meaning
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001
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Read measured val. block 1
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1
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=
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Engine speed
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Basic function
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1 2 3 4
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2
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=
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Engine load (injection period per crankshaft revolution)
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3
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=
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Throttle valve angle
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4
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=
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Ignition timing
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002
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Read measured val. block 2
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1
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=
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Engine speed
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Basic function
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1 2 3 4
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2
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=
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Engine load (injection period per crankshaft revolution)
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3
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=
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Corrected injection period per engine cycle
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4
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=
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Intake air mass
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003
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Read measured val. block 3
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1
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=
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Engine speed
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Basic function
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1 2 3 4
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2
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=
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Battery voltage
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3
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=
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Coolant temperature
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4
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=
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Intake air temperature
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Display Gr. number
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Indicated on display
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Meaning
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004
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Read measured val. block 4
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1
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=
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Throttle valve angle
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Idling speed
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1 2 3 4
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2
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=
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Idling air mass, learned (automatics: not in drive position)
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stabilisation
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3
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=
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Idling air mass, learned (automatics: drive engaged)
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4
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=
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Operating state:
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Idling
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Part throttle
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Full throttle
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Overrun
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Enrichment
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005
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Read measured val. block 5
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1
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=
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Idling speed (actual)
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Idling speed
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1 2 3 4
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2
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=
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Idling speed (specified)
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stabilisation
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3
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=
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Idling speed control
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4
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=
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Air mass
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Display Gr. number
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Indicated on display
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Meaning
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006
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Read measured val. block 6
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1
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=
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Idling speed
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Idling speed
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1 2 3 4
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2
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=
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Idling speed control
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stabilisation
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3
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=
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Lambda mixture control
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4
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=
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Ignition timing
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007
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Read measured val. block 7
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1
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=
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Lambda mixture control
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Lambda
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1 2 3 4
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2
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=
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Lambda probe voltage
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control and
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3
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=
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Duty cycle of solenoid valve 1 for activated charcoal filter -N80
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ACF system
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4
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=
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Lambda correction factor with active fuel tank breather system
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008
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Read measured val. block 8
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1
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=
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Injection period
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Lambda
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1 2 3 4
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2
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=
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Lambda learned value for idling (additive)
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learned values
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3
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=
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Lambda learned value for part throttle (multiplicative)
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4
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=
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Fuel tank breather system:
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TB active = fuel tank breather system active
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TB not active = fuel tank breather system not active
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Display Gr. number
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Indicated on display
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Meaning
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009
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Read measured val. block 9
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1
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=
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Engine speed (actual)
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Lambda
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1 2 3 4
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2
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=
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Lambda mixture control
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learned values
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3
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=
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Lambda probe voltage
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4
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=
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Lambda learned value for idling (additive)
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010
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Read measured val. block 10
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1
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=
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Duty cycle of solenoid valve 1 for activated charcoal filter -N80
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Fuel tank
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1 2 3 4
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2
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=
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Lambda correction factor with active fuel tank breather system
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breather
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3
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=
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Fill level of activated charcoal filter -N80
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4
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=
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ACF purging rate
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011
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Read measured val. block 11
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1
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=
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Engine speed
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Fuel
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1 2 3 4
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2
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=
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Engine load (injection period per crankshaft revolution)
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consumption
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3
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=
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Road speed
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4
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=
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Fuel consumption
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|
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|---|
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Display Gr. number
|
Indicated on display
|
Meaning
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|
012
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Read measured val. block 12
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1
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=
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Engine speed
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Fuel
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1 2 3 4
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2
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=
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Battery voltage
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consumption
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3
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=
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Fuel consumption
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4
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=
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Ignition timing
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013
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Read measured val. block 13
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1
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=
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Ignition timing retardation by knock control, cylinder 1
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Knock
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1 2 3 4
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2
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=
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Ignition timing retardation by knock control, cylinder 2
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control
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3
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=
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Ignition timing retardation by knock control, cylinder 3
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4
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=
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Ignition timing retardation by knock control, cylinder 4
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014
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Read measured val. block 14
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1
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=
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Engine speed
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Knock
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1 2 3 4
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2
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=
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Engine load
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control
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3
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=
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Ignition timing retardation by knock control, cylinder 1
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4
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=
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Ignition timing retardation by knock control, cylinder 2
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|---|
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Display Gr. number
|
Indicated on display
|
Meaning
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|
015
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Read measured val. block 15
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1
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=
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Engine speed
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Knock
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1 2 3 4
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2
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=
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Engine load (injection period per crankshaft revolution)
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control
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3
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=
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Ignition timing retardation by knock control, cylinder 3
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4
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=
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Ignition timing retardation by knock control, cylinder 4
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016
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Read measured val. block 16
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1
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=
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Knock sensor signal, cylinder 1
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Knock
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1 2 3 4
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2
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=
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Knock sensor signal, cylinder 2
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control
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3
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=
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Knock sensor signal, cylinder 3
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4
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=
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Knock sensor signal, cylinder 4
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017
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Read measured val. block 17
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1
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=
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Engine speed
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Catalyst
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1 2 3 4
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2
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=
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Engine load
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heating
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3
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=
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Energy balance for catalyst heating
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4
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=
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Ignition timing
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|---|
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Display Gr. number
|
Indicated on display
|
Meaning
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|
018
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Read measured val. block 18
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1
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=
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Engine speed
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Altitude
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1 2 3 4
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2
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=
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Engine load (without altitude adaption) from air mass meter
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adaption
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3
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=
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Engine load (after altitude adaption) from throttle valve angle
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4
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=
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Altitude correction factor
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019
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Read measured val. block 19
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1
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=
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Engine speed
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Torque
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1 2 3 4
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2
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=
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Engine load (injection period per crankshaft revolution)
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reduction
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3
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=
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Signals from:
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Pressure switch for power-assisted steering
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Gearshift
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Clutch pedal switch
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4
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=
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Ignition timing
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020
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Read measured val. block 20
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1
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=
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Engine speed
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Operating
|
1 2 3 4
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2
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=
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Gear selector lever position
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|
conditions
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3
|
=
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Air conditioner
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4
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=
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Air conditioner compressor
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|---|
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Display Gr. number
|
Indicated on display
|
Meaning
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|
021
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Read measured val. block 21
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1
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=
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Engine speed
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Operating
|
1 2 3 4
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2
|
=
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Engine load (injection period per crankshaft revolution)
|
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conditions
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3
|
=
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Coolant temperature
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for lambda
|
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4
|
=
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Lambda control OFF/ON
|
|
control
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022
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Ignore
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023
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Read measured val. block 23
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1
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=
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Learning requirement display
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Throttle valve
|
1 2 3 4
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2
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=
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Min. stop of throttle valve positioner
|
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positioner
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3
|
=
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Emergency running stop of throttle valve positioner
|
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adaption
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4
|
=
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Max. stop of throttle valve positioner
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|---|
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Display Gr. number
|
Indicated on display
|
Meaning
|
|
024
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Read measured val. block 24
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1
|
=
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Engine speed (actual)
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Knock
|
1 2 3 4
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2
|
=
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Engine load (injection period per crankshaft revolution)
|
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control
|
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3
|
=
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Ignition timing
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4
|
=
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Total ignition timing retardation for cylinders 1 to 4
|
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025
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Read measured val. block 25
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1
|
=
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Operating state:
|
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Camshaft
|
1 2 3 4
|
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Idling
|
|
timing
|
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Part throttle
|
|
control
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Full throttle
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Overrun
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Enrichment
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2
|
=
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Hall sender -G40 (°crankshaft angle)
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3
|
=
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Control:
|
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Camshaft adjustment
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4
|
=
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Activated camshaft adjustment angle in °crankshaft angle
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|---|
|
Display Gr. number
|
Indicated on display
|
Meaning
|
|
026
|
Read measured val. block 26
|
1
|
=
|
Engine speed
|
|
Camshaft
|
1 2 3 4
|
2
|
=
|
Engine load (injection period per crankshaft revolution)
|
|
timing
|
|
3
|
=
|
Control function:
|
|
control
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Camshaft adjustment
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4
|
=
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Activated camshaft adjustment angle in °crankshaft angle
|
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027...065
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Ignore
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|
066
|
Read measured val. block 66
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1
|
=
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Road speed (actual)
|
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Cruise control
|
1 2 3 4
|
2
|
=
|
Switch positions (brakes, clutch and cruise control enabled)
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3
|
=
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Road speed (specified)
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4
|
=
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Switch positions (driver-operated switches)
|
|
067...097
|
|
Ignore
|
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|---|
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Display Gr. number
|
Indicated on display
|
Meaning
|
|
098
|
Read measured val. block 98
|
1
|
=
|
Throttle valve potentiometer voltage
|
|
Throttle valve
|
1 2 3 4
|
2
|
=
|
Idling speed potentiometer voltage
|
|
control part
|
|
3
|
=
|
Operating state: idling / part load
|
|
adaption
|
|
4
|
=
|
Adaption status:
|
|
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Adaption in progress
|
|
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Adaption OK
|
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Adaption ERROR
|
|
099
|
Read measured val. block 99
|
1
|
=
|
Engine speed
|
|
Lambda
|
1 2 3 4
|
2
|
=
|
Coolant temperature
|
|
control
|
|
3
|
=
|
Lambda mixture control
|
|
|
|
4
|
=
|
Lambda mixture control ON/OFF
|
|
