Volkswagen CPYC User Manual

5.4.5 Display group 11 - Charge pressure control
Note
◆ To perform the test increase engine speed from 1500 rpm to
full throttle at full load. Note conditions for measurements at
full load ⇒ Page 106.
◆ The measured values must be read at an engine speed of
3000 rpm (2nd person required).
Test prerequisites
● Engine warm, coolant temperature not below 80°C
● Engine speed 2800…3200 rpm
● Engine at full load
Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 2800...3200 rpm ---
2 Charge pressure (specified) 2100..2300 mbar ---
3 Charge pressure (actual) 2100...2300 mbar
⇒ Page 109
4 Duty cycle of charge pressure control sol-
enoid valve
20...60 % ---
Evaluation: display group 11, display zone 3 - charge pres-
sure (actual)
Display shows Possible cause of fault Fault remedy
Below specification
◆ Leaks between turbocharger and en-
gine (charge air system)
◆ Charge pressure control defective
– Checking charge air system for leaks
⇒ Page 331
– Checking charge pressure control
⇒ Page 333.
Above specification
◆ Charge pressure control defective
◆ Turbocharger defective
– Checking charge pressure control
⇒ Page 333.
◆ Defective charge pressure sender
-G31-
– -G31- Check. ⇒ Page 343
6 Measured value blocks, engine
codes CPYA, CPYB, CPYC,
CPYD, CPYE, CPYF, CPYG
Observe safety precautions ⇒ “Safety precautions” on
page 110.
Read measured value block ⇒ “Reading measured value block”
on page 110.
Evaluate measured value blocks:
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
6 Measured value blocks, engine codes CPYA, CPYB, CPYC, CPYD, CPYE, CPYF, CPYG
109

Volkswagen CPYC Specifications

General

Brand	Volkswagen
Model	CPYC
Category	Engine
Language	English