Indicated on display
Possible cause of fault Possible effects
Fault remedy
Electrical fault
◆
Open circuit or line
short-circuit
◆
-G648- defective
◆
Regeneration of die-
sel particulate filter
locked
– -G648- Check.
– Pull off temperature
sensor, and measure
reference volt-
age (3.3 V) on signal
line, measured value
block => connect sig-
nal line to earth, if
sensor raw voltage in
measured value block
= 0 V => sensor de-
fective => sensor raw
voltage in measured
value block ap-
prox.=0 V => check
sensor wire to ECU
– Wire to ECU OK, ECU
defective
09327/P246F
Exhaust gas temperature
sender 4, bank 1
Implausible signal
◆
Open circuit or line
short-circuit
◆
-G648- defective
◆
No limitation
– -G648- Check.
– Comparison of all
temperatures with
completely cooled
down engine and ter-
minal 15 ON / engine
OFF. Electr. test of
sensor wires;
09328/P2470
Exhaust gas temperature
sender 4, bank 1
Short to earth
◆
Wiring short to earth
◆
-G648- defective
◆
Regeneration of die-
sel particulate filter
locked
– -G648- Check.
– Pull off temperature
sensor => sensor raw
voltage in measured
value block "Exh_uR-
awTPFltDs" 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
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
83