Reading measured value block (data block)
Readout specifications for exhaust gas recirculation - vehicles with 96 kW engine
Display Group 003 at idling speed (engine warm, coolant temperature not below 80 °C)
|
|
|
|
Display group 3
|
|
◂ Indicated on display
|
|
|
XXXX rpm
|
XXX mg/stroke
|
XXX mg/stroke
|
XX %
|
◂ Display zones 1 ... 4
|
|
|
|
|
|
|
Duty cycle (activation) of exhaust gas recirculation valve ▪ No specification
|
|
|
|
|
|
Current intake air mass 210 ... 350: okay 1) ▪ Air mass too small: ▪ unmetered air in intake tract; excessive exhaust gas recirculation => test 5) ▪ Air mass too great: ▪ too little exhaust gas recirculation => test 5) ▪ Constant 539 mg/stroke: ▪ substitute value => interrogate fault memory
|
|
|
|
|
Air mass specified by control unit: 230 ... 310 mg/stroke: okay ▪ > 310 mg/stroke: engine too cold => run engine till warm
|
|
|
|
Engine speed ▪ Manual gearbox 860 ... 940 rpm okay ▪ Automatic gearbox 790 ... 870 rpm okay
|
|
|
1)Exhaust gas recirculation switches off after 2 minutes idling. If necessary, open throttle briefly (above 1500 rpm)
|
|
|