Indicated on display
Possible cause of fault Possible effects
Fault remedy
Short to earth
◆
Wiring short to earth
◆
-G495- defective
◆
Regeneration of die-
sel particulate filter
locked
– -G495- Check.
– Pull off temperature
sensor => sensor raw
voltage in measured
value block
"MWB,Exh_uRaw-
TOxiCatDs" approx.
reference voltage
(3.3 V)
⇒
sensor de-
fective, sensor raw
voltage in measured
value block approx.
0 V
⇒
check wire to
ECU
– Wire to ECU OK, ECU
defective
09263P242F
Diesel particulate filter
Overloaded
◆
Wiring short to earth
◆
-G495- defective
◆
No service regenera-
tion possible anymore
– Renew diesel particu-
late filter
09298/P2452
Diesel particulate filter,
pressure differential
sender
Electrical fault
◆
Open circuit or line
short-circuit
◆
-G450- defective
◆
Regeneration of die-
sel particulate filter
locked
– -G450- Check.
– Pull off pressure sen-
sor and connect signal
wire to earth
⇒
sensor
raw voltage in meas-
ured value block ap-
prox. 0 V => sensor
defective => sensor
raw voltage in meas-
ured value block > 0 V
=> check wire to ECU
– Wire to ECU OK, ECU
defective
09299/P2453
Diesel particulate filter,
pressure differential
sender
Industriemotoren - Industrial Engines 2009
▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
3 List of fault codes
79