VW Polo 6R 1.6 TDI CAYC - P2563 - cannot adapt turbocharger

   #1  

iichel

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Location
Netherlands, eastern part
VCDS Serial number
C?ID=284912
The turbocharger was replaced and the correlation between N75 opening/closing and turbocharger position arm is out of order.
Boost is about 300mbar too high at certain points and the car rightfully complaints about overboost and goes into limp home mode.

Tried to adapt the turbocharger via 0x01 - Login - Basic settings - adaptation of the turbocharger. But no lock.
Engine rpm increases a little, but basic setting says 'not running' and unable to start via pressing and releasing brake pedal and/or accelerator pedal.

Clearing the errors will make them return after a short drive. I believe adapting the turbocharger will solve the issue, but somehow it's not happening.
Perhaps VCDS is not capable, perhaps conditions not right (engine on/off?), perhaps temperature not OK, perhaps engine is being stupid?

Please turn off the sound since there was a torrential rain...


Code:
Sunday,22,August,2021,16:57:29:11868
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 21.3.0.0 (x64)  HEX-V2 CB: 0.4544.4
Data version: 20210318 DS325.0
www.Ross-Tech.com

Dealer/Shop Name: iichel retrofitting
Workshop Code: 470 31889 031889

VIN:    License Plate:
Mileage: 73220km-45496mi   Repair Order:



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 1K-VW36 (7E0)
Scan: 01 02 03 04 05 08 09 10 15 17 19 20 25 2B 2E 37 3C 44 47 55
          56 57 61 65 69 6C 77 0B

VIN:    Mileage: 73220km-45496miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
10-Park/Steer Assist -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
17-Instruments -- Status: Malfunction 0010
19-CAN Gateway -- Status: OK 0000
20-High Beam Assist. -- Status: OK 0000
25-Immobilizer -- Status: Malfunction 0010
2B-Steer. Col. Lock -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
37-Navigation -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
47-Sound System -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
57-TV Tuner -- Status: OK 0000
61-Battery Regul. -- Status: OK 0000
65-Tire Pressure -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: Malfunction 0010
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CAYC)       Labels:. 03L-906-023-CAY.clb
   Part No SW: 03L 906 023 DR    HW: 03L 906 023 A
   Component: R4 1.6l TDI   H23 9978 
   Revision: --H23---    Serial number: 00000000000000
   Coding: 00254036032401080000
   Shop #: WSC 01357 011 00200
   ASAM Dataset: EV_ECM16TDI02103L906023DR 003016
   ROD: EV_ECM16TDI02103L997557Q.rod
   VCID: 79AF10A5095BB703C8D-802C

1 Fault Found:
7286 - Turbocharger Boost Control Position Sensor Circuit
          P2563 00 [175] - Implausible Signal
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 73224 km
                    Date: 2021.08.21
                    Time: 05:04:47

                    Engine RPM: 780.25 /min
                    Normed load value: 41.6 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 43 ∞C
                    Intake air temperature: 23 ∞C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 12.988 V
                    Unlearning counter according OBD: 40
                    Charge air pressure actuator: acknowledgment-ANG_BPA[0]: 7.074 %
                    Charge Pressure Actuator: activation-ANG_SP_BPA[0]: 85.001 %
                    High press turbocharger actuator: activation-CTL_LIM_BPA[0]: 84.998 %
                    High press turbocharger actuator: actual uncond volt value-V_BPA[0]: 0.718 V
                    Turbocharger boost control: offset open-V_BPA_BOL[0]: 0.498 V
                    Turbocharger boost control: offset closed-V_BPA_TOL[0]: 3.501 V
                    High press turbocharger actuator: status-LF_STATE_BPA_DISP[0]: 76

Readiness: 1 1 0 0 1

-------------------------------------------------------------------------------
Address 02: Auto Trans
Cannot be reached

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 6R0-907-37x-ESP90.clb
   Part No SW: 6R0 907 379 AS    HW: 6R0 907 379 AS
   Component: ESP9.0i front H02 0002 
   Serial number: --------------
   Coding: 21DD2885412500C5841A146E825500521504
   Shop #: WSC 31889 470 31889
   ASAM Dataset: EV_Brake1ESP90iBOSCH 003020
   ROD: N/A
   VCID: 0F7B4E7D27DF89B3069-805A

No ASAM data for: "EV_Brake1ESP90iBOSCH" (VW36)
No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518)       Labels:| 5K0-959-434.clb
   Part No SW: 5K0 959 434 E    HW: 5K0 959 434
   Component: VWKESSYPQ35GP 092 1202 
   Revision: 00092000    Serial number: 0346244897
   Coding: 030C0C
   Shop #: WSC 31889 047 31889
   ASAM Dataset: EV_KESSYPQ35G A02717
   ROD: EV_KESSYPQ35G_A02_VW31.rod
   VCID: 372BD69D7FCF61737E9-8062

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels: 6R0-907-044.clb
   Part No SW: 6R0 907 044 H    HW: 6R0 907 044 H
   Component: Climatronic   H12 0812 
   Revision: V0000000   
   VCID: 3829D5A172516E0B773-806C

1 Fault Found:
00229 - Refrigerant Pressure
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 247
                    Mileage: 73224 km
                    Time Indication: 0
                    Date: 2016.01.12
                    Time: 05:03:17


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 7E0-937-BCM-V1.clb
   Part No SW: 7E0 937 090 C    HW: 7E0 937 090 C
   Component: BCM PQ25 Max4 H82 0752 
   Revision: B9082001    Serial number: 4000 173171327
   Coding: 3EB82BBFA8EB3400B33807F0BFCB9FF0FF8067EFE08D78D031E400030800
   Shop #: WSC 31889 470 31889
   VCID: 2B03FAEDB307D5930A1-807E

   Subsystem 1 - Part No: 5K7 955 547
   Component: RLHS 220816 0  42  0106
   Coding: 0214DD

   Subsystem 2 - Part No SW: 6R0 959 801 BD    HW: 6R0 959 801 BD  Labels: 6R0-959-801.CLB
   Component: J386__TSG_FT  003 8611
   Serial number: KU0KU011111300010103
   Coding: 0200A3

   Subsystem 3 - Part No SW: 6R0 959 802 BF    HW: 6R0 959 802 BF  Labels: 6R0-959-802.CLB
   Component: J387__TSG_BT  003 8611
   Serial number: KU0KU007111300016463
   Coding: 1000AB

   Subsystem 4 - Part No: 1K8 951 171 A
   Component: DWA-Sensor 00  001 0103
   Coding: 000000

   Subsystem 5 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501
   Coding: 000000

   Subsystem 6 - Part No: 1K8 951 171 A
   Component: DWA-Sensor 00  001 0103
   Coding: 000000

   Subsystem 8 - Part No SW: 6R0 959 811 G    HW: 6R0 959 811 G
   Component: J388__TSG_HL  008 1611
   Serial number: KU0KU027011200011418
   Coding: 58BC32

   Subsystem 9 - Part No SW: 6R0 959 812 B    HW: 6R0 959 812 B
   Component: J389__TSG_HR  002 0803
   Serial number: KU0-KU004.06.0913330
   Coding: 08BC32

1 Fault Found:
03431 - Activation of Left Parking Light
            011 - Open Circuit
             Freeze Frame:
                    Fault Status: 01101011
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 247
                    Mileage: 73224 km
                    Time Indication: 0
                    Date: 2016.01.12
                    Time: 05:11:34


-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 5Q0-919-294.clb
   Part No SW: 1K8 919 472 C    HW: 5Q0 919 294 A
   Component: PARKHILFE 8K  H03 0480 
   Revision: --------    Serial number: 39391528804191
   Coding: 0031195101
   Shop #: WSC 31889 470 31889
   ASAM Dataset: EV_EPHVA18VW364GP00 001007
   ROD: EV_EPHVA18VW364GP00_VW32.rod
   VCID: 372BD69D7FCF61737E9-8062

1 Fault Found:
12718592 - Databus
          U1121 00 [008] - Missing Message
          [Steuerger‰t f¸r Lenks‰ulenelektronik-J527/BCM - mZAS_1 - kein Signal/keine Kommunikation]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 247
                    Mileage: 73224 km
                    Date: 2021.08.21
                    Time: 05:03:17


-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 6R0 959 655 K    HW: 6R0 959 655 K
   Component: VW10Airbag01M H10 0020 
   Revision: --------    Serial number: 003GX0142TCE
   Coding: 00314D
   Shop #: WSC 01383 785 00200
   ASAM Dataset: EV_AirbaVW10BPAVW250 A01001
   ROD: EV_AirbaVW10BPAVW250.rod
   VCID: 4ACD9F691C3DEC9B117-801E

   Crash sensor for side airbag: driver side:
   Serial number: 3575HRB40650BI7U48C8

   Front Passenger's Side Airbag Crash Sensor:
   Serial number: 3585HRB405J09RECEOUJ

   Rear Side Airbag Crash Sensor (on driver's side):
   Serial number: 3515RRB405T0BTBEF9G7

   Passenger side rear thorax airbag crash sensor:
   Serial number: 3525RRB405R0BTBEKPFQ

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 6R0 920 870 A    HW: 6R0 920 870 A
   Component: KOMBI         H04 0709 
   Serial number: 00000000000000
   Coding: 140F01
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04723
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW36.rod
   VCID: 3333E28D6BB78D53421-8066

1 Fault Found:
12658432 - Function Restricted due to Missing Message(s)
          U1111 00 [008] - -
          [Steuerger‰t f¸r Reifendruck¸berwachung: keine Kommunikation]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 10
                    Reset counter: 32
                    Mileage: 73224 km
                    Date: 2021.08.21
                    Time: 05:11:30


-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7E0-909-901.clb
   Part No SW: 7E0 909 901     HW: 7E0 937 090 C
   Component: GW-K-CAN TP20 H82 0752 
   Revision: B9082001   
   Coding: 042204
   Shop #: WSC 31889 470 31889
   VCID: 688945E162713E8B273-803C

No fault code found.

-------------------------------------------------------------------------------
Address 20: High Beam Assist. (J844)       Labels:| 8S0-857-511.clb
   Part No SW: 7E0 857 511 G    HW: 7E0 857 511 E
   Component: FLA           H10 0003 
   Revision: AA001001   
   Coding: 0404000000000000010000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_HighBeamAssisAU316 001004
   ROD: EV_HighBeamAssisAU316.rod
   VCID: 2E05F3F98095A0BB2DF-807A

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234
   Component: IMMO          H04 0709 
   Serial number: 00000000000000
   Coding: 000007
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW21.rod
   VCID: 6A8D3FE97CFD0C9B317-803E

1 Fault Found:
9456128 - Engine Control Module (ECM) not authorized
          B104A 00 [009] - -
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 1
                    Fault Frequency: 4
                    Mileage: 73224 km
                    Date: 2021.08.21
                    Time: 05:03:20


-------------------------------------------------------------------------------
Address 2B: Steer. Col. Lock (J764)       Labels:* 5K0-905-861.clb
   Part No SW: 5K0 905 861 B    HW: 5K0 905 861 B
   Component: ELV-PQ35      H20 0240 
   Revision: 00000000    Serial number: 11000256123005
   Coding: 4900000000000000
   Shop #: WSC 31889 470 31889
   ASAM Dataset: EV_ELVMarquMPVW36X A01001
   ROD: EV_ELVMarquMPVW36X.rod
   VCID: 2F3BEEFD879FA9B3269-807A

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3 (J650)       Labels:. 5N0-035-342.lbl
   Part No SW: 5N0 035 342 G    HW: 5N0 035 342 G
   Component: SG EXT.PLAYER H19 0770 
   Revision: A1001003    Serial number: 7666620365   
   Coding: 010100
   Shop #: WSC 12345 123 12345
   VCID: 2B03FAEDB307D5930A1-807E

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation (J0506)       Labels:. 1T0-035-680.clb
   Part No SW: 1T0 035 686 E    HW: 1T0 035 686 H
   Component: RNS-MID       H26 6276 
   Revision: AB001001    Serial number: VWZ6Z7P1950254
   Coding: 00070002010000A10001
   Shop #: WSC 12345 123 12345
   VCID: 3635DB997845987B65F-8062

   Subsystem 1 - Part No: 1T0 051 859 AS
   Component: EU West V17  8557

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change        Labels: Redir Fail!
   Part No SW: 7E0 907 566 B    HW: 4L0 907 566 A
   Component: J0769 SWA MasterH13 0120 
   Revision: 00H13000    Serial number: 6PZ 009 014-07
   Coding: 0010161
   Shop #: WSC 02756 790 00000
   VCID: 2F3BEEFD8B1FA9B3269-807A

   Subsystem 1 - Part No: 7E0 907 568 B
   Component: J0770 SWA Slave H09 0110

   Subsystem 2 - Serial number: 6PZ 009 014-27

   Subsystem 3 - Serial number: 5F31.03.1100H090003CH21982ˇ

   Subsystem 4 - Serial number: H21982ˇ

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J792)       Labels:| 6Rx-909-144-V2.clb
   Part No SW: 6R1 909 144 AD    HW: 6R1 909 144 E
   Component: EPS_TRW_ALow  312 3124 
   Serial number: CF3F0205
   Coding: 001F00
   Shop #: WSC 31889 470 31889
   ASAM Dataset: EV_SteerAssisUDSTRW 014026
   ROD: EV_SteerAssisUDSTRW_014.rod
   VCID: 79AF10A5095BB703C8D-802C

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (R12)       Labels: 5K0-035-456.clb
   Part No SW: 5C6 035 456 C    HW: 5C6 035 456 C
   Component: KonzernAmp10K H08 6831 
   Revision: --------    Serial number: EAA098C0000052
   ASAM Dataset: EV_AudioVerst10KanalSTT4 001001
   ROD: EV_AudioVerst10KanalSTT4.rod
   VCID: 280905E1A271FE8BE73-807C

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J431)       Labels:. 6R0-907-357.clb
   Part No SW: 6R0 907 357 C    HW: 6R0 907 357 B
   Component: AFS-ECU       005 0050 
   Revision: --------    Serial number: --------------
   Coding: 0D4A000001000000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_HeadlRegulVWLWRCC 002006
   ROD: EV_HeadlRegulVWLWRCC.rod
   VCID: 3A2DCFA94CDD7C1B817-806E

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J0506)       Labels:. 1T0-035-680.clb
   Part No SW: 1T0 035 686 E    HW: 1T0 035 686 H
   Component: RNS-MID       H26 6276 
   Revision: AB001001    Serial number: VWZ6Z7P1950254
   Coding: 00070002010000A10001
   Shop #: WSC 12345 123 12345
   VCID: 3635DB997845987B65F-8062

   Subsystem 1 - Part No: 1T0 051 859 AS
   Component: EU West V17  8557

No fault code found.

-------------------------------------------------------------------------------
Address 57: TV Tuner        Labels: None
   Part No SW: 3C0 919 148 B    HW: 3C0 919 148
   Component: R78 DTV-JP          0250 
   Revision: R0H14000    Serial number: 80100800042102
   Coding: 0000816
   Shop #: WSC 01324 020 00200
   VCID: 280905E1AEF1FE8BE73-807C

   Subsystem 1 - Part No: 4F0 919 805
   Component: R204 TVKLeser       0010

No fault code found.

-------------------------------------------------------------------------------
Address 61: Battery Regul. (J840)       Labels:. 1K0-907-534.clb
   Part No SW: 7E0 907 534     HW: 7E0 937 090 C
   Component: Batt.regelung H82 0752 
   Serial number: 4000 173171327
   Coding: 030F7A5A
   Shop #: WSC 31889 470 31889
   VCID: 688945E162713E8B273-803C

   Subsystem 1 - Part No SW: 6C0 915 181     HW: 6C0 915 181
   Component: J367-BDM  H08 0223
   Serial number: 61083A44504351928092

No fault code found.

-------------------------------------------------------------------------------
Address 65: Tire Pressure (J502)       Labels: 3AA-907-273.clb
   Part No SW: 3AA 907 273 F    HW: 5Q0 907 273
   Component: RDKBERU30     H04 0011 
   Serial number: 40000000058319
   ASAM Dataset: EV_RDKBERU30 005005
   ROD: EV_RDKBERU30_005.rod
   VCID: 372BD69D7FCF61737E9-8062

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 1K0-907-383-V2.clb
   Part No SW: 1K0 907 383 E    HW: 1K0 907 383 E
   Component: Anhaenger     H07 0080 
   Revision: 3A002002    Serial number: 00000116932377
   Coding: 0100000100000000
   Shop #: WSC 12345 123 12345
   VCID: 2F3BEEFD871FA9B3269-807A

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 5N0-907-441.clb
   Part No SW: 7E0 907 441     HW: 7E0 907 441
   Component: J772__Rearview      0040 
   Revision: 00H08000    Serial number: 525PA8-J060533
   Coding: 0030115
   Shop #: WSC 12345 123 12345
   VCID: 65974CD5996323E31C5-8030

1 Fault Found:
03006 - Back-up Camera System not calibrated
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 247
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 77: Telephone (J412)       Labels:| 3C8-035-730-A.clb
   Part No SW: 3C8 035 730 E    HW: 3C8 035 730 E
   Component: Telefon       025 0983 
   Revision: --------    Serial number: 35502105254406
   Coding: 020100000100010000000101
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_UHVPremi 002709
   ROD: EV_UHVPremi.rod
   VCID: 25170CD5D563E3E3DC5-8070

No fault code found.

End----------(Elapsed Time: 03:00, VBatt start/end: 14.2V/14.1V)-----------
 
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   #2  

NEtech

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Search and mark these 2, to see if there should be any information:
IDE00450 Operating instruction
IDE00787 Cause for cancellation

Have you tried this BS:
IDE00891 Test of charge air pressure control
 
   #3  

iichel

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Search and mark during basic setting?

The IDE00891 will start and end successfully, but will also trigger a DTC (confusing, right?)
 
   #5  

iichel

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The same dtc, implausible signal or the position sensor on the turbocharger. I'll do a new adaptation tomorrow with the ide values you suggested thank you
 
   #6  

iichel

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So I did some basic settings, unfortunately no positive outcome. I've checked the instructions from NEtech, but they don't appear to change.

I later figured out I don't need SA for basic settings. But hey, doesn't hurt, right?

Anyway, I made some movies, perhaps this is more telling than words:




As you can see, the basic setting only ups engine RPM to about 1500 rpm and does nothing else.

Fun fact: clearing the DTC in the engine control unit itself makes them re-appear directly. Clearing them in the gateway installation list in applications via the 'clear all DTCs' makes them disappear a lot longer, until I trigger them again.
 
   #7  

NEtech

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Maybe no basic setting with DTC.
I guess in your case there is no problem with wiring?
Maybe check vacuum actuator or hose to it.
 
   #8  

iichel

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i've physically verified all wiring and vacuum hoses already :)
 
   #9  

MartinsX

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Hi!
Is the replacement turbo a new original, new aftermarket, remanufactured or used part?
Does the actuator has no vacuum leaks?
Does the actuator rod has no excessive play in place where it is connected to shaft of rod going into turbo?
What are minimum and maximum voltages of position sensor when pumping actuator from one end to another with Mitvac or equivalent tool? Does the voltage changes smoothly (without spikes or drops) when applying vacuum smoothly?
What was wrong with old turbo? Is the actuator with sensor available and alive? What if swapping actuator/sensor from old turbo?
Does the sensor voltage changes at all, when driving? Min/Max values?
 
   #10  

iichel

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It's the original turbocharger. Only thing is, engine swapped cars. Turbocharger adjustment is moving freely between 0.6 and 4.5V. mechanically it's perfect sound.
 
   #11  

MartinsX

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To clarify. Does this mean the complete engine is removed from one car and fitted to another? ECU and engine wiring not swapped together with engine?
Only thing is, engine swapped cars.
 
   #12  

iichel

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Correct, but ECU and engine wiring also swapped (t60). This includes the wiring to the turbocharger position sensor. Wiring verified end to end and made a parallel loom. With no change.
 
   #13  

MartinsX

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i've physically verified all wiring and vacuum hoses already :)
Have You measured the vacuum in system, too? With all components connected and additional T-piece and gauge attached to vacuum supply line?
I understand P2563 00 comes back when engine is running and rpm increased a bit?
 
   #15  

MartinsX

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What value of vacuum measurement? Have You tried increase rpm or do a test drive while observing vacuum measurement?
Test with another N75?
Test with another turbo actuator/sensor unit?
 
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