Volkswagen CJDA Workshop Manual page 57

Indicated on display
Implausible signal
00386/P0182
Fuel temperature sender
-G81-
Short to earth
00387/P0183
Fuel temperature sender
-G81-
Open circuit/short to pos-
itive
00401/P0191
Fuel pressure sender
-G247-
Implausible signal
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
◆ -G81- defective
◆ Wiring short to earth
◆ -G81- defective
◆ Wiring open circuit or
wiring short to posi-
tive
◆ -G81- defective
◆ Open circuit or line
short-circuit
◆ -G247- defective
Industriemotoren - Industrial Engines 2009 ▶
◆ No limitation
◆ Changes to alterna-
tive value
"RB_FuelT_TransStg.
Dfl_C"
◆ Regeneration is
locked
◆ Changes to alterna-
tive value
"RB_FuelT_TransStg.
Dfl_C"
◆ Regeneration is
locked
◆ Limp mode
◆ If there is a fault be-
fore start of limp
mode, the fuel rail
pressure is controlled
via open-loop control
and not closed-loop
control
3
Fault remedy
⇒
– -G81- Check.
"Checking fuel tem-
perature sender
-G81-" on page 409
– Comparison of all
temperatures with
completely cooled
down engine and ter-
minal 15 ON / engine
OFF. Check electrical
connection to sensor
– Electrical check of
sensor wires; maybe
auxiliary heater coded
incorrectly
⇒
– -G81- Check.
"Checking fuel tem-
perature sender
-G81-" on page 409
⇒
– -G81- Check.
"Checking fuel tem-
perature sender
-G81-" on page 409
– -G247- Check.
⇒ P age 394
– Before start or during
coasting, check for
offset drift of fuel pres-
sure sender. Check
pressure release, if
necessary renew fuel
pressure sender, note
environmental condi-
tions and engine oper-
ating status.
3 List of fault codes
41