temperature heating combustion, fuel additive or catalyst to reduce PM
ignition combustion) to stabilize the filter performance.
DPF regeneration may be performed in the following cases:
The exhaust back pressure sensor is replaced.
The PM trap is removed or replaced.
The fuel additive nozzle is removed or replaced.
The catalytic oxidizer is removed or replaced.
The DPF regeneration MIL is on and maintenance is performed.
The DPF regeneration control module is replaced.
The operation guidelines of the DPF function are shown below:
1. Enter the DPF menu and choose relevant models according to the
vehicle being tested.
2. Enter the DPF regeneration menu.
3. Read carefully and complete the requisites listed before performing
the DPF regeneration function. And press OK after completing the
instructions shown.
Figure 5-10 Sample of DPF function (screen 1)
4. Read the fuel tank level and make sure that it fulfills the requirement
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