Engines / Diesel / COMMON PROCEDURES / DPF regeneration - CR engines CAN

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Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

This operation was considered useful 2x.

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Conditions:
- ignition = ON
- engine speed = idling
- fuel tank contents > &fracXX;
- engaged gear (N)
- engine temperature > XX °C (XX - Measured values group XXX, field X)
- clogging of Diesel particulate filter < XXg (XX - Measured values group XXX, field X or group XXX, field X
- appliances ON (Headlights, air-conditioning, Seat heating)
- bonnet: closed

Note:
If the filter is clogged above the maximum value, it is necessary to replace it with a new filter otherwise there is a risk of fire during regeneration!

Conditions - test drive
- speed > XX km/h
- engine speed XXXX-XXXX rpm
- engaged gear (X) or engaged gear (X)
or engaged gear (D)
- duration = XX-XX minutes
- temperature upstream of component: turbo blower > XXX °C (XX - Measured values group XXX field X)
- temperature upstream of component: Diesel Particulate Filter > XXX °C (XX - Measured values group XXX field X)
- temperature downstream of component: Diesel Particulate Filter > XXX °C (XX - Measured values group XXX field X)
- second mechanic necessary!

Check of clogging level of Diesel particulate filter

connect with the control unit XX - engine

XX - Measured values group XXX group XXX or XXX

observe values: group XX:
field X = temperature upstream of component: turbo blower
field X = temperature upstream of component: Diesel Particulate Filter
field X = temperature downstream of component: Diesel Particulate Filter

observe values: group XXX
field X = clogging of Diesel particulate filter (calculated value)
field X = clogging of Diesel particulate filter (actual value)

observe values: group XXX
field X = clogging of Diesel particulate filter (calculated value)
field X = clogging of Diesel particulate filter (actual value)

DPF regeneration

connect with the control unit XX - engine

XX - Security access / XX - Login / XX - Coding II

enter value: XXXXX

Start

XX - Adaptation channel XX or select item in menu

enter value: X

Start

XX - Measured values group XXX group XXX or XXX

observe values: group XX:
field X = temperature upstream of component: turbo blower
field X = temperature upstream of component: Diesel Particulate Filter
field X = temperature downstream of component: Diesel Particulate Filter

observe values: group XXX
field X = clogging of Diesel particulate filter (calculated value)
field X = clogging of Diesel particulate filter (actual value)

observe values: group XXX
field X = clogging of Diesel particulate filter (calculated value)
field X = clogging of Diesel particulate filter (actual value)

do a test drive if filter clogging is not close to X

Note:
If regeneration fails or it is incomplete, probable error in procedure or engine.

Created on: XX.XX.XXXX XX:XX:XX Copyright © XXXX-XXXX, AutoComSoft Ltd All rights reserved. (Jan)

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