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Self diagnosis
Display group overview
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Display group 00 (decimal displayed value)
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▪ Engine running at idling speed
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Display zones
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Specification
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Corresponds to
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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Engine speed
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24...27
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768...864 rpm
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Injection period
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2...6
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2...6 ms
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Throttle valve angle
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6...14
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3...7 <°
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Operational condition
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No consequence
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---
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Lambda control incremented "learnt" value
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0...30
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0...1 ms
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Lambda probe voltage
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10...60
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0.2...1.2 V
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Engine load
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30...60
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11.2...23.4 %
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Coolant temperature
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120...150
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80...110 °C
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Battery voltage
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120...150
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12...15 V
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Intake air temperature
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55...95
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15...55 °C
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Display zones
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1
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2
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3
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4
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Display group 01
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Display
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xxxx rpm
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xxx °C
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x.xx V
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xxxxxxxx
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Indicated
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Engine speed
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Coolant temperature
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Lambda probe voltage
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Adjustment conditions1)
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Display group 02
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Display
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xxxx rpm
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xx.xx ms
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xx.xx V
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xxx °C
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Indicated
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Engine speed
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Injection period
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Battery voltage
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Intake air temperature
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Display group 03
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Display
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xxxx rpm
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xxx %
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xx.xx <°
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xxx %
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Indicated
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Engine speed
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Engine load signal
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Throttle valve angle
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Throttle valve positioner duty cycle
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1) Relevance of numbers in 8 digit number block .
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Display zones
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1
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2
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3
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4
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Display group 04
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Display
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xxxx rpm
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xxx %
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xxx km/h
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xxxxxxxx
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Indicated
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Engine speed
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Engine load signal
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Speed signal
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Engine operating condition1)
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Display group 05
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Display
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xxxx rpm
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xxx %
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x.xx ms
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xxxxxxxx
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Indicated
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Engine speed
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Duty cycle valve for activated charcoal filter
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Consumption signal
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Operating condition Lambda control2)
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Display group 06
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Display
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x.xx ms
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x.xx
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x.xx
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x.xx
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Specification
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0...1.00
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0.90...1.10
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0.95...1.05
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0.95...1.05
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Indicated
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Additive learning value for Lambda control at idling
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Multiplicative learning value for Lambda control at part load/full load range
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Multiplicative learning value for throttle valve positioner duty cycle
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Multiplicative learning value for throttle valve positioner duty cycle with auto. gearbox
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1) Relevance of figures in 8 digit number block => Page 01-45.
2) Relevance of figures in 8 digit number block => Page 01-46.
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Display zones
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1
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2
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3
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4
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Display group 07
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Display
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xx
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xx
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x.xx
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xxxxxxxx
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Specification
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57...60 or 1
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5...8
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0.85...1.15
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00000000
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Indicated
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Coordination Hall sender to engine speed sender
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Coordination Hall sender to engine speed sender
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Altitude correction value
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Operating condition throttle valve control part1)
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1) Relevance of figures in 8 digit number block => Page 01-46.
Relevance of figures in 8 digit number block for adjustment conditions and operating condition.
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Significance when displayed digit = 1
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x
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x
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x
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x
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x
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x
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x
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x
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Adjustment conditions (display group 01)
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Engine operating condition (display group 04)
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1
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Fault in fault memory
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Overrun
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1
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Signal from automatic gearbox
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Idling
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1
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Air conditioner compressor switched on
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Part load
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1
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Idling switch open
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Full load
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1
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Fault in the Lambda control
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Not relevant
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1
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Throttle valve opened
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Not relevant
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1
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Engine running
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Not relevant
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1
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Coolant temperature below 80 °C
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Not relevant
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Relevance of figures in 8 digit number block for Lambda control and throttle valve control part.
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Relevance when displayed digit = 1
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x
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x
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x
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x
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x
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x
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x
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x
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Lambda control operating condition
(display group 05)
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Operating condition throttle valve control part (display group 07)
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1
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Coding for Syncro
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Mechanical emergency running
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1
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Not relevant
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Not relevant
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1
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Not relevant
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Adaption necessary
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1
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Lambda control at limit
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Adaption necessary
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1
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Lambda control on
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Not relevant
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1
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Diagnostic fault
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Adaption terminated (battery voltage too low)
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1
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Lambda probe operationally ready
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Adaption terminated (time exceeded)
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1
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Rich mixture (0 = lean mixture)
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Idling switch open
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‒ Additional measures see Repair procedures:
Notes:
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◆ Press ⇒ button to end read measured value block.
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◆ After terminating read measured value block input 06 for "End output" function and confirm with Q.
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