Display Group 254 - Volkswagen CJDA Workshop Manual

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
● Engine running at idling speed.
● Engine warm, coolant temperature not below 80°C.
● Intake air temperature < 40°C.
Display Operating mode or component
zone
1 Exhaust gas temperature ahead of diesel
particulate filter
2 Exhaust gas temperature downstream of
diesel particulate filter
3 Diesel particulate filter, pressure differen-
tial sender (adapted)
4 Diesel particulate filter, pressure differen-
tial sender (current offset value)
Evaluation: display group 100, display zone 1 - exhaust gas
temperature
Display shows Possible cause of fault
Deviation from
◆ Exhaust temperature sender 3 -G495-
specification
Evaluation: display group 100, display zone 2 - exhaust gas
temperature
Display shows Possible cause of fault
Deviation from
◆ Exhaust temperature sender 4 -G648-
specification
Evaluation: display group 100, display zone 3 - differential
pressure
Display shows Possible cause of fault
Deviation from
◆ Exhaust gas pressure sensor 1
specification
6.3.21 Display group 104
Display Operating mode or component
zone
1 Diesel particulate filter, exhaust gas treat-
ment (only CPYA and CPYB)
2 Diesel particulate filter, exhaust gas treat-
ment, lower stage (only CPYA and CPYB)
3 Diesel particulate filter, field regeneration,
request status (only CPYA and CPYB)
4 Diesel particulate filter, field regeneration,
lock status (only CPYA and CPYB)
122
Repair Group 01 - Vehicle self-diagnosis
defective
defective
-G450- defective
Specification
130...310 °C
100...270 °C
0...20 mbar
-10...10 mbar
Fault remedy
– -G495- Check.
Fault remedy
– -G648- Check.
Fault remedy
– -G450- Check.
Value range
FF00 .. FFFF
FF00 .. FFFF
00000000 .. 11111111
00000000 .. 11111111
Evaluation
⇒ P age 122
⇒ P age 122
⇒ P age 122
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⇒ P age 347
⇒ P age 444
⇒ P age 446
Evaluation
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