Volkswagen CJDA, Workshop Manual

Page: 452 / 553

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