User Manual

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NOTE
1. Autel accepts no responsibility for any accident or injury arising from servicing the
SAS system. When interpreting DTCs retrieved from the vehicle, always follow the
manufacturer’s recommendation for repair.
2. All software screens shown in this manual are examples, actual test screens may
vary by test vehicle. Pay attention to the menu titles and onscreen instructions to
make correct option selections.
3. Before starting procedure, make sure vehicle has an ESC button. Look for button
on dash.
Diesel Particle Filter (DPF) Service
The Diesel Particle Filter (DPF) function manages DPF regeneration, DPF component
replacement teach-in and DPF teach-in after replacing the engine control unit.
The ECM monitors driving style and selects a suitable time to employ regeneration.
Cars driven a lot at idling speed and low load will attempt to regenerate earlier than cars
driven more with higher load and speed. In order for regeneration to take place, a
prolonged high exhaust temperature must be obtained.
In the event of the car being driven in such a way that regeneration is not possible, i.e.,
frequent short journeys, a diagnostic trouble code will eventually be registered in
addition to the DPF light and “Check Engine” indicators displaying. A service
regeneration can be requested in the workshop using the diagnostic tool.
Before performing a forced DPF regeneration using the tool, check the following items:
⚫ The fuel light is not on.
⚫ No DPF-relevant faults are stored in system.
⚫ The vehicle has the specified engine oil.
⚫ The oil for diesel is not contaminated.
IMPORTANT
Before diagnosing a problem vehicle and attempting to perform an emergency
regeneration, it is important to obtain a full diagnostic log and read out relevant
measured value blocks.
NOTE
1. The DPF will not regenerate if the engine management light is on, or there is a
faulty EGR valve.
2. The ECU must be re-adapted when replacing the DPF and when topping up the
fuel additive Eolys.