Volkswagen CPYC User Manual

Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 760...940 rpm ---
2 Average injection quantity 3.0...9.0 mg/stroke
⇒ Page 96
3 Pressure in high-pressure fuel system
(actual)
170.0...350.0 bar ---
4 Coolant temperature 80.0...110.0°C ---
Evaluation: Display group 1, display zone 2 - quantity injec-
ted
Display shows Possible cause of fault Fault remedy
Below specification
◆ Injectors for cylinders 1…4
-N30...N33- defective
– -N30...N33- Check. ⇒ Page 398
Above specification
◆ Engine too cold
– Run engine at increased speed to
warm up, and repeat test
◆ Shortage of fuel
◆ Air in fuel system
– Check fuel supply system
⇒ Page 298, removing and installing
parts of fuel supply system
– Bleeding fuel system ⇒ Page 383.
◆ Injectors for cylinders 1…4
-N30...N33- defective
– -N30...N33- Check. ⇒ Page 398
5.3.2 Display group 2 - Idling speed
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 Accelerator position 0.0 %
⇒ Page 96
◆ If accelerator position sender -G79- is
installed
3 Accelerator pedal switch positions --- ---
4 Coolant temperature 80.0...110.0°C ---
Evaluation: Display group 2, display zone 2 - 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
96
Repair Group 01 - Vehicle self-diagnosis

Volkswagen CPYC Specifications

General

Brand	Volkswagen
Model	CPYC
Category	Engine
Language	English