Volkswagen CJDA Workshop Manual page 73

Indicated on display
Open circuit
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
Possible cause of fault Possible effects
◆ Open circuit or line
short-circuit
◆ -G28- defective
◆ -G31- defective
◆ Defective accelerator
position sender -G79-
◆ Defective exhaust
gas recirculation po-
tentiometer -G212-
◆ Defective exhaust
gas recirculation
valve -N18-
◆ Position sender for
charge pressure posi-
tioner -G581- defec-
tive
Industriemotoren - Industrial Engines 2009 ▶
◆ Faults for sensors
connected to this
source are locked.
◆ Limp mode
3
Fault remedy
– Check electrical con-
nection or sensor:
camshaft encoder; in-
take manifold flap; dif-
ferential pressure die-
sel particulate filter;
pedal encoder 1
⇒
– -G28- Check.
"Checking engine
speed sender -G28-"
on page 400
⇒
– -G31- Check.
"Checking charge
pressure sender
-G31-" on page 343
⇒
– -G79- Check.
"Checking accelerator
pedal position sender
-G79-, if fitted" on
page 316
⇒
– Check -G212-
"Checking exhaust
gas recirculation valve
-N18-" on page 437,
check exhaust gas re-
circulation valve -N18-
⇒ " Final
– Check -N18-
control diagnosis" on
page 89, final con-
trol diagnosis
⇒
– -G581- Check.
"Checking position
sender for charge
pressure positioner
-G581-" on page 345
3 List of fault codes 57