Full Product Manual

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During the regeneration phase and with the engine running, it can also
occur that the display for “Regeneration active” jumps to “Regeneration not
active”. This behavior can be seen exclusively with the vehicle stationary
with the engine.
Particle Filter Test
It is advisable to carry out a series of particle filter tests as a result of
constant DPF regeneration, such as checking oil level, oil change interval
for diesel contamination, swirl flaps, backpressure sensors and particle filter
soot remains.
1. Tap Particle filter test from the service functions menu.
2. The tool communicates with the vehicle and reads the fault codes
memory. If there is no relevant fault code stored in DDE, the screen
displays as below. Select Cancel to exit this function.
3. If there are DPF-related codes stored in DDE, the screen displays as
below. Select OK to continue or Cancel to exit this function.
Figure 5-29 Sample Codes Screen