Volkswagen CPYC - Display Group 11 - Charge Pressure Control; Display Group 12 - Status

● Intake air temperature < 40°C.
Display
zone
Operating mode or component Specification Evaluation
1 Intaken air mass (actual)
xxx mg/stroke
1)
---
2 Atmospheric pressure (ambient pressure) 900...1100 mbar ---
3 Charge pressure (actual)
xxx mbar
1)
---
4 Accelerator position 0,0 %
⇒ Page 99
◆ If accelerator position sender -G79- is
installed
1)
The values displayed at “idling speed” are not relevant.
Evaluation: Display group 10, display zone 4 - accelerator
position
Display shows Possible cause of fault Fault remedy
1.0...100.0%
◆ Defective accelerator position sender
-G79-
◆ Open circuit in wiring to -G79-
– -G79- Check. ⇒ Page 316
5.3.7 Display group 11 - Charge pressure control
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 760...940 rpm ---
2 Charge pressure (specified)
xxx mbar
1)
---
3 Charge pressure (actual)
xxx mbar
1)
---
4 Duty cycle of charge pressure control sol-
enoid valve
xxx %
1)
---
1)
The values displayed at “idling speed” are not relevant.
5.3.8 Display group 12 - Status
Test prerequisites
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
5 Measured value blocks, engine codes CJDA, CJDD
99