Volkswagen CJDA Workshop Manual page 452

3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3 Checking components and func-
tions
WARNING
Adhere to the general safety regulations and the notes on
repair work on the engine!
The described component checks and functional checks are ap-
plicable for the series components and the current flow dia-
⇒ P age
grams as of page
If components and electric circuits differ, observe the notes of
the respective industrial engine customer.
Checking exhaust gas recirculation system
Checking exhaust gas recirculation valve -N18-
Adapting exhaust gas recirculation valve -N18-
Checking lambda probe -G39-
Checking lambda probe heater -Z19-
Checking exhaust gas temperature sender 3 -G495- (exhaust
gas temperature sender ahead of diesel particulate filter)
⇒ P age
442.
Checking exhaust gas temperature sender 4 -G648- (exhaust
gas temperature sender downstream of diesel particulate filter)
⇒ P age
444.
Checking exhaust gas pressure sensor 1 -G450-
Check diesel particulate filter, engine codes CJDA, CJDD
⇒ P age
460.
Regeneration of diesel particulate filter, engine codes CJDA,
⇒ P age
CJDD 463.
Renewing diesel particulate filter, engine codes CJDA, CJDD
⇒ P age
465.
Regeneration of diesel particulate filter, engine codes CPYA,
CPYB, CPYC, CPYD, CPYE
Checking diesel particulate filter, engine codes CPYA, CPYB,
⇒ P age
CPYC, CPYD, CPYE
Adapting ash deposit mass, engine codes CPYA, CPYB, CPYC,
⇒ P age
CPYD, CPYE 458.
Setting adaptation value for ash deposit mass to "0", engine co-
des CPYA, CPYB,CPYC, CPYD, CPYE
3.1 Checking exhaust gas recirculation
system
Note
The exhaust gas recirculation system is checked via the diag-
nosis function "05-Final control diagnosis". This allows for acti-
436 Repair Group 26 - Exhaust system
⇒ P age 1
486, current flow diagrams.
⇒ P age
⇒ P age
⇒ P age
⇒ P age
439.
⇒ P age
441.
⇒ P age
⇒ P age
454.
460.
⇒ P age
430.
436.
437.
423.
446.