Volkswagen CJDA Workshop Manual page 81

Indicated on display
Open circuit
04672/P1240
Injector for cyl. 4 -N33-
Open circuit
04999/P1387
Control unit defective
05000/P1388
Control unit defective
05120/P1400
Exhaust gas recirculation
valve
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
◆ -N30- defective
◆ Open circuit or line
short-circuit
◆ -N33- defective
◆ Engine control unit
-J623- defective
◆ Engine control unit
-J623- defective
Industriemotoren - Industrial Engines 2009 ▶
◆ Irregular idling or en-
gine stalls
◆ Cylinder is not activa-
ted anymore - limp
mode
◆ Irregular idling or en-
gine stalls
◆ Cylinder is not activa-
ted anymore - limp
mode
◆ Reduced performance
◆ Increased exhaust
emissions
◆ Replicate fault: fault is
stored on ignition ON
◆ Reduced performance
◆ Increased exhaust
emissions
◆ Replicate fault: fault is
stored on ignition ON
3
Fault remedy
– Check wires on injec-
tor 3 (high and low) for
open circuit
– If OK, check
-Einspritzventil N32-
⇒ P age 398
– If OK, renew ECU
– Check wires on injec-
tor 4 (high and low) for
open circuit
– If OK, check
-Einspritzventil N33-
⇒ P age 398
– If OK, renew ECU
–
-Motorsteuergerät J623-
⇒ P age 418
Renew
– If the fault occurs
once, a reset can be
performed.
– If the fault persists,
the injection quantity
is limited. (there is no
injection above
1500 rpm)
– Strong jolt when trying
to set engine speed
above 1500 rpm using
pedal encoder.
–
-Motorsteuergerät J623-
⇒ P age 418
Renew
3 List of fault codes 65