LI07 08-N-065219

Engine power output is reduced, engine diagnosis indicator lamp lights up, fault codes P15FF00 and P245411
Topic number
LI07.08-N-065219
Version
2
Design group
07.08 Governor
Date
07-20-2017
Validity
MODEL 906 with OM642 (from 906.### N574794)
MODEL 906 with OM642 (to 906.### N605428)
MODEL 906 with OM642 (from 906.### S874134)
MODEL 906 with OM642 (to 906.### S977452)
Reason for change
Added Step 7 and pictures 8 & 9
Reason for block
Complaint:
Engine power output is reduced, engine diagnosis indicator lamp lights up, fault codes P15FF00 and P245411
Cause:
Possible engine control unit connection (CR60NFZ and CR60NFZ_Euro VI).
Remedy:
Important: Do not replace engine control unit, differential pressure sensor and engine wiring harness!
Are fault codes P15FF00, P245411 stored in the engine control unit (CR60NFZ):
1.
2.
3.
4.
Run initial quick test.
Visual inspection: line condition in area of differential pressure sensor (sensor up to diesel particulate filter) as
well as check of electrical connections and wiring up to branch-off line for engine wiring harness.
If all visual checks are normal for the components mentioned in test step 2, please remove the engine control
unit (see AR07.08-D-7006SD).
Clean contact pins on engine control unit as per operation steps 4.1 to 4.4
4.1 A total of 154 contact pins have to be cleaned on the engine control unit (see 1.jpg).
Important: One cleaning contact is sufficient to clean all the contact pins in a color-marked area (see 2.jpg and
3.jpg).
4.2. Apply cleaning fluid to cleaning contact. Avoid forming droplets! It need only be applied once to clean the
specified number of pins per cleaning contact (see 4.jpg).
Warning: Please observe the applicable operating instructions and safety information for this product when
handling cleaning fluid.
4.3 The cleaning contact is used for 2 contacts at the same time on the small contact pins. Clean pins by moving
up and down 2 times in succession. Slide cleaning contact onto pins until the cleaning contact impacts with the
multipoint connector housing (see 5.jpg, 6.jpg and 7.jpg).
Warning: If the cleaning contact is tilted, adjacent contacts may be damaged or bent.
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Important: Cleaning fluid volatilizes immediately after the cleaning process. This means that installation of the
cable sets for the engine control unit can be commenced immediately after the cleaning process.
4.4 Install engine control unit (see AR07.08-D-7006SD).
5.
6.
7.
Warning: Care should be taken prior to installation to ensure that the contacts do not exhibit any signs of deformation. Deformation may lead to contact problems in the engine control unit that then render the engine control
unit unusable!
For Ambulance vehicles ONLY, replace the engine wiring harness and clean the pins of the CDI control module.
Erase fault memory.
Fasten differential pressure sensor plug under engine control unit to vehicle wiring harness using cable tie
across center of plug housing (see Pic 8.jpg and Pic 9.jpg.).
If this is a repeat repair:
1.
Run initial quick test.
2.
Create a PTS case and attach the following documents:
•
•
Quick test 1: First workshop visit # Clean contact pins on engine control unit
Quick test 2: Current quick test with fault freeze frame data
Attachments
File
Description
1.jpg
View of contact pins on control unit
2.jpg
View of color marked areas
3.jpg
View of color marked areas
4.jpg
Apply cleaning fluid to cleaning contact,
Avoid dropping any fluid onto the felt!
5.jpg
Slide cleaning contact onto pins
6.jpg
Slide cleaning contact onto pins
7.jpg
Slide cleaning contact onto pins
Pic 8.JPG
Differential pressure sensor plug not fastened
Pic 9.JPG
Differential pressure sensor plug fastened
Symptoms
Power generation / Engine management / Indicator lamp / Engine diagnosis / lit
Power generation / Engine management / Engine performance / Goes into limp-home mode
Control unit/fault code
Control unit
Fault code
Fault text
CDI60Common Rail Diesel In- P15FF00
jection (CR60NFZ)
The signal line of component 'B28/20 (Diesel particulate filter differential pressure sensor)' has a short circuit to ground. (MOPF)
N3/35 - Motor electronics
P245411
'CDI60' for combustion engine
'OM642' (CDI) (CR60NFZ_EURO6)
The input for differential pressure sensor 1 in the diesel particulate filter has a short circuit to ground. There is a short circuit to
ground.
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Parts
Part number
ES1 ES2 Designation
Quantity Note
EPC
A 000 540 38 04
Cleaning contact
1
For cleaning contact pins (Bag contains 15 pcs)
X
A 008 989 55 71
Cleaning fluid set
1
For cleaning contact pins.
IMPORTANT: Please observe operating instructions and safety information for fluid set
X
A 642 150 11 01
Engine wiring harness
1
As needed for (Ambulance vehicles
only)
X
A 642 150 12 01
Engine wiring harness
1
As needed for (Ambulance vehicles
only)
X
Operation numbers/damage codes
Op. no.
Operation text
Time
Damage
code
54-1011
PERFORM QUICK TEST
5900D 01
07-1647
CLEAN PINS ON ENGINE MANAGEMENT CONTROL UNIT
(AFTER QUICK TEST)
5900D 01
49-0000
VISUAL INSPECTION
5900D 01
Note
WIS-References
Document number
Title
Note
Allocation
PE07.16-D-2101-VVA
Wiring diagram of common
rail diesel injection control
unit, CR60 commercial vehicle
Remedy
AR07.08-D-7006SD
Remove/install diesel injecti- Engine 642
on system control unit
Model 906
Remedy
WS54.00-Z-9999AZ
Special tool for car electrical Overview of wiring harness
system
repair kit
Remedy
Attachments
1.jpg:
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2.jpg:
3.jpg:
4.jpg:
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5.jpg:
6.jpg:
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7.jpg:
Pic 8.JPG:
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Pic 9.JPG:
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