Volkswagen CJDA Workshop Manual page 84

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
Indicated on display
05522/P1592
Altitude sender/charge
pressure sender signal
Implausible ratio
05635/P1603
Control unit defective
05636/P1604
Control unit defective
05642/P160A
Control unit defective
05648/P1610
Control unit defective
05650/P1612
Engine control unit
Incorrectly coded
05654/P1616
Glow period warning
lamp -K29-
Short to positive
68 Repair Group 01 - Vehicle self-diagnosis
Possible cause of fault Possible effects
◆ Defective charge
pressure sender
-G31-
◆ Altitude sender -F96-
in engine control unit
-J623- defective
◆ Internal defect in en-
gine control unit
-J623-
◆ Internal defect in en-
gine control unit
-J623-
◆ Internal defect in en-
gine control unit
-J623-
◆ Internal defect in en-
gine control unit
-J623-
◆ Invalid control unit
coding for engine
control unit -J623-
◆ Wire has short to
positive
◆ -K29- defective
◆ Torque limiting
◆ Regeneration locked
◆ EGR locked
◆ Engine is switched off
◆ Vehicle cannot be
driven anymore
◆ Engine is switched off
◆ Vehicle cannot be
driven anymore
◆ Engine does not start
or is difficult to start
◆ Fuel injection sup-
pressed
◆ Engine does not start
or stalls right after
starting
◆ Dateset 0 is chosen
◆ Various malfunctions
possible
---
Fault remedy
– -G31- Check.
⇒ P age 343
– If necessary, renew
-J623- or check elec-
trical connections
⇒ P age 418
– With terminal 15 ON,
compare measured
values of sensors, and
check plausibility us-
ing a barometer
– -J623- Renew
⇒ P age 418
– Check electrical con-
nection to actuator
– -J623- Renew
⇒ P age 418
– -J623- Renew
⇒ P age 418
– -J623- Renew
⇒ P age 418
– -J623- is not coded or
coded incorrectly. =>
recode ECU, or renew
it as necessary
– Check -K29-
⇒ P age
89, final
control diagnosis
– Electrical test of pilot
line, connector or
lamp