Volkswagen CPYC User Manual

Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 760...940 rpm ---
2 Pressure in high-pressure fuel system
(specified)
170...350 bar ---
3 Pressure in high-pressure fuel system
(actual)
170...350 bar
⇒ Page 102
4 Regulating valve for pressure in high-
pressure fuel system
15...30 %
⇒ Page 102
Evaluation: display group 20, display zone 3 - pressure in
high-pressure fuel system
Display shows Possible cause of fault Fault remedy
Deviation from
specification
◆ Defective fuel pressure sender -G247-
◆ Fuel pressure regulating valve -N276-
defective
◆ Fuel metering valve -N290- defective
◆ Fuel pump defective
– -G247- Check. ⇒ Page 394
– -N276- Check. ⇒ Page 391
– -N290- Check. ⇒ Page 388
– -V393- Check. ⇒ Page 314
Evaluation: display group 20, display zone 4 - regulating
valve for pressure in high-pressure fuel system
Display shows Possible cause of fault Fault remedy
Deviation from
specification
◆ Fuel pressure regulating valve -N276-
defective
– -N276- Check. ⇒ Page 391
5.3.11 Display group 30 - Pedal encoder
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 Accelerator pedal, sender voltage 1 0.67...0.83 V ---
2 Accelerator pedal, sender voltage 2 0.25...0.5 V ---
3 Accelerator pedal, switch position --- ---
4 Accelerator position 0...100 %
⇒ Page 102
Evaluation: Display group 30, 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
3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
102
Repair Group 01 - Vehicle self-diagnosis

Volkswagen CPYC Specifications

General

Brand	Volkswagen
Model	CPYC
Category	Engine
Language	English