Volkswagen CJDA Workshop Manual page 64

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
Indicated on display
No signal
00833/P0341
Camshaft position sender
=> sender -G40-
Implausible signal
00899/P0383
Activation of glow period
control unit 1
48 Repair Group 01 - Vehicle self-diagnosis
Possible cause of fault Possible effects
◆ Open circuit or line
short-circuit
◆ -G28- defective
◆ Wire open circuit or
wire has short to
earth
◆ Hall sender -G40- de-
fective or loose
◆ Metal shavings on
hub or Hall sender
-G40-
◆ Too much clearance
between Hall sender
-G40-/hub
◆ Hub with sender
wheel on camshaft is
twisted or loose
◆ Limp mode via cam-
shaft is activated, con-
siderably decreased
performance, regener-
ation suppressed
◆ Exhaust gas recircula-
tion switched off
◆ Torque limiting
◆ Governed speed
◆ Increased idling
speed
◆ Camshaft diagnosis
locked,
◆ Smoothness regulator
and jolt damper
switched off
◆ Regeneration sup-
pressed
◆ Engine is operated via
crankshaft signal.
◆ EPC is activated, be-
cause detection of re-
verse rotation is not
available (project-spe-
cific).
◆ VW diesel: engine is
synchronised via test
injections, otherwise
no noticeable substi-
tutional reactions.
◆ VW diesel: (no notice-
able impairment)
◆ Crankshaft diagnosis
is locked
◆ Camshaft adaptation
and camshaft offset
diagnosis are locked
Fault remedy
– -G28- Check.
⇒ P age 400
– Check supply voltage
of sensor (only if sen-
sor is activated)
– Check sensor signal
with engine running
(oscilloscope).
– Check wiring.
– Check whether sensor
is installed correctly
(clearance between
sensor and sender
wheel, firmly seated)
– Checking sender
wheel
. .
– -G40- Check.
⇒ P age 403
– Check camshaft and
sender wheel posi-
⇒ P age
tions 210;
Removing, installing
and tensioning tooth-
ed belt
– Check whether sensor
is installed correctly
(clearance between
sensor and sender
wheel, firmly seated)
– Check supply voltage
of sensor (only if sen-
sor is activated)
– Check sensor signal
with engine running
(oscilloscope)
– Check wiring
– Checking sender
wheel