Volkswagen CJDA Workshop Manual page 62

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
Indicated on display
00626/P0272
Incorrect injection quanti-
ty on cyl.4
00665/P0299
Charge pressure control
Control limit not reached
00768/P0300
Misfiring detected
00769/P0301
Misfiring detected in cyl.
1
46 Repair Group 01 - Vehicle self-diagnosis
Possible cause of fault Possible effects
◆ Adaption values do
not match adaption
value specified on in-
jector
◆ Defective charge
pressure control sole-
noid valve -N75-
◆ Turbocharger defec-
tive
◆ Leak in charge air
system
◆ Poor compression
values
◆ Injectors for cyl.1...4
-N30...N33- defective
◆
◆ Poor compression
values for cylinder 1
◆ Injector for cyl.1
-N30- defective
◆ Incorrect injection
quantity.
◆ Torque limiting; regen-
eration is locked
◆ Irregular engine oper-
ation at idling speed
◆ Slightly irregular en-
gine operation at
idling speed
Fault remedy
– Check injector deliv-
ery calibration values/
injector voltage cali-
bration values
⇒ P age 421
– Adaption injector, if
adaptation is not pos-
sible, try to enter code
for injector delivery
calibration/injector
voltage calibration
from other injectors, if
adaptation still not
possible, ECU defec-
tive. If an additional
fault is stored, which
indicates a defective
EEProm --> renew
ECU
– Check -N75-
⇒ P age
89, final
control diagnosis
– Checking charge air
system for leaks
⇒ P age 331
– Checking charge
pressure control
⇒ P age
333.
– Checking compres-
⇒ P age
sion 218.
– Check injectors for
cyl.1...4 -N30...N33-
⇒ P age 398
– Compare learnt val-
ues for zero quantity
calibration (ZFC);
– Checking compres-
⇒ P age
sion 218.
– Check injector for cyl.
⇒ P age 398
1 -N30-
– Compare learnt val-
ues for zero quantity
calibration (ZFC);