Volkswagen CJDA Workshop Manual page 473

Note
◆ During regeneration the values in the display zones 2 and 3
should decrease.
◆ The two values may decrease down to 0, and the regenera-
tion may still continue.
◆ The regeneration will be completed after 20 min. at the lat-
est, and the engine returns to idling speed.
◆ Allow the engine to run at idling speed for some time so that
the fan can cool down the engine compartment.
– Check soot loading in display zones 2 and 3. Specification:
< 35 g.
– Press button.
←
– Select "Display group 254".
If display zone 2 shows the value "1", the regeneration has
been completed successfully.
– Leave the engine switched on.
– Adapt the ash deposit mass
Display zone 2 shows "0"
– If display zone 2 shows "0" or "255", secure machine or read
event memory and rectify faults, read event memory
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26.
– Repeat regeneration of diesel particulate filter
If the 2nd regeneration has been completed and the display
zone of "display group 254" does not show "1", the oxidising
catalytic converter is presumably defective.
– Then, read event memory of engine control unit, and clear
event memory if necessary, read event memory.
Note
◆ If the specifications have been attained, the regeneration of
the diesel particulate filter has been completed successfully.
◆ The DPF warning lamp goes off after the regeneration of the
diesel particulate filter has been completed successfully.
3.9.3 Cancelling regeneration of diesel particu-
late filter, engine codes CPYA, CPYB,
CPYC, CPYD, CPYE
– The regeneration of the diesel particulate filter is in progress,
and the vehicle diagnostic tester is connected.
– Select diagnosis function "015-Access permissions".
– If available, select "015.2 Security Access (automatic)".
– Enter following access code:
● Access code: 23456
– Confirm access code.
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
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458.
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Industriemotoren - Industrial Engines 2009 ▶
455.
3 Checking components and functions
3
457