Page 29 of 273

DIESEL INJECTION
Fault finding – Fault summary table13B
13B-29V3 MR-372-J84-13B250$270.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
Tool
faultDIAGNOSTIC
TOOL
DESCRIPTIONAssociated
DTCLEVEL 1 FAULT
WARNING
LIGHT (Orange
heater plugs On
indicator light)LEVEL 2 FAULT
WARNING
LIGHT (Red
overheating
warning light)NO
FAULT
WARNING
LIGHT ONOBD
WARNING
LIGHT ON
DF226Damper valve
circuit638CO/CC/CC.0/
CC.1/1.DEF/
2.DEF/3.DEF... ... ...
DF250ESP function C122 ... ...1.DEF/
2.DEF...
DF272EGR valve
control circuit403 1.DEF ... 2.DEF ...
DF276Injector code
programming611 1.DEF/2.DEF ... ... ...
DF485Catalytic
converter fault
finding422 ... ... X ...
DF532Alternator
charge signal2502CC.0/CC.1/
1.DEF/2.DEF... ... ...
DF619EGR valve
jammed open2142 X ... ... ...
DF620EGR valve
fouled2141 X ... ... ...
DF621EGR valve is
jammed open
(OBD fault)2413 ... ... X X
DF652Turbine
upstream
temperature
sensor circuit242A CC.0/CO.1
DF778Turbine
upstream
temperature
control242B 1.DEF/2.DEF
DF1070Cold loop 534
Page 241 of 273
DIESEL INJECTION
Fault finding – Test13B
13B -241V3 MR-372-J84-13B250$900.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
TEST1 Exhaust system check
Engine stopped: Check that the silencer outlet is
not blocked. Repair or replace the silencer, if
necessary.
Check the seal of the exhaust manifold on the
contact surface between the turbocharger and the
exhaust manifold.
Is the seal in order?
YES
Loosen the catalytic pre-converter on the
turbocharger side. Place a wooden block between
the two parts.
Start the vehicle and check if the engine runs better.
Is the engine running normally?
YES
NORepair or replace the faulty part.
NOThe exhaust pipe is not the cause of the
fault. Continue with the engine fault finding
(see ALP5).
EDC16_V51_TEST1
Page 242 of 273

DIESEL INJECTION
Fault finding – Test13B
13B -242V3 MR-372-J84-13B250$900.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
TEST1
CONTINUED
Retighten the catalytic pre-converter.
Loosen the catalytic converter on the catalytic pre-
converter side. Place a wooden block between the
two parts.
Start the vehicle and check if the engine runs better.
Is the engine running normally?
YES
Retighten the catalytic converter.
Loosen or disconnect the intermediate chamber on
the catalytic converter side. Place a wooden block
between the two parts, if necessary.
Start the vehicle and check if the engine runs better.
Is the engine running normally?
YES
Retighten the intermediate chamber.
Loosen or disconnect the silencer on the
intermediate chamber side. Place a wooden block
between the two parts, if necessary.
Start the vehicle and check if the engine runs better.
Is the engine running normally?
YES
Replace the silencer.
END OF TEST1.
NOReplace the catalytic pre-converter.
NOReplace the catalytic converter.
NOReplace the intermediate chamber.