Display Group 34 - Charge Pressure Positioner; Display Group 99 - Exhaust Gas Temperature Sender; Display Group - Volkswagen CJDA Workshop Manual

5.3.12 Display group 34 - Charge pressure posi-
tioner
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display Operating mode or component
zone
1 Engine speed
2 Charge pressure positioner (specified)
3 Charge pressure positioner (actual)
4 Charge pressure positioner, activation
Evaluation: display group 34, display zone 3 - charge pres-
sure control
Display shows Possible cause of fault
Deviation from
◆ Position sender for charge pressure
specification
◆ Leaks between turbocharger and en-
◆ Charge pressure control defective
Evaluation: display group 34, display zone 4 - charge pres-
sure control
Display shows Possible cause of fault
Deviation from
◆ Position sender for charge pressure
specification
◆ Leaks between turbocharger and en-
◆ Charge pressure control defective
5.3.13 Display group 99 - exhaust gas tempera-
ture sender
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display Operating mode or component
zone
1 Engine speed
2 Exhaust gas temperature ahead of turbo-
charger
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
positioner -G581- defective
gine (charge air system)
positioner -G581- defective
gine (charge air system)
5 Measured value blocks, engine codes CJDA, CJDD
Industriemotoren - Industrial Engines 2009 ▶
Specification
760...940 rpm
90...101 %
90...101 %
90...100 %
Fault remedy
– Checking charge pressure control
⇒ P age
333.
– -G581- Check.
Fault remedy
– Checking charge pressure control
⇒ P age
333.
– -G581- Check.
Specification
760...940 rpm
80...300 °C
3
Evaluation
---
---
⇒ P age 103
⇒ P age 103
⇒ P age 345
⇒ P age 345
Evaluation
---
⇒ P age 104
103