VW SHARAN 2007 A/C Problem

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   #1  

andreistefan

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Hi,
I am working to repair an A/C on a 2007 Vw Sharan Diesel engine. Car came with Condenser and A/C Compressor damaged. All was changed with new parts(Condenser, compressor, A/C refrigerant sensor), all pipes/hoses proper cleaned. On idle all is working fine, but if you hit the gas pedal, on 2200-2300rpm, A/C compressor shuts down and is going back On only on idle.
All wiring is checked from A/C sensor, all fuses are ok, evaporator sensors seems ok, I removed them from the body of the vents, because I could not find replacement ones and I wanted to be sure they do not read a too low temperature. Installation is having 2 x evaporators, so 1050grams of R134 gas was added.
For 2 days, only errors were on Engine Ecu 001330 - A/C Refrigerant Pressure Sensor (G65) P0532 - 000 - Short to GND - Intermittent, from today it appear on HVAC module 1 Fault Found: 01086 - Speedometer Sensor (G22) 35-00 - -.
you can find below full reading.

Any help will be appreciated.
Thanks!


Code:
Monday,03,July,2023,18:24:41:48877
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 23.3.1.0 (x64)  HEX-NET2 CB: 0.4631.5
Data version: 20230421 DS346.2
www.Ross-Tech.com

Dealer/Shop Name: Retrofit Buzau

VIN: WVWZZZ7MZ7V016531   License Plate: BE22BYL03072023
Mileage: 208330km-129450mi   Repair Order:



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


Chassis Type: 7M (7M - VW Sharan (1996 > 2010))
Scan: 25 01 02 03 08 09 15 16 17 18 19 22 29 35 36 37 39 45 55 56
          76
 
VIN: WVWZZZ7MZ7V016531   Mileage: 208330km-129450miles
-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 7M3-953-257.lbl
   Part No: 7M3 953 257
   Component: IMMO                0008
   Coding: 00003
   Shop #: WSC 00000
   VCID: F6BE0CE111DC536AA57-4B00
   WVWZZZ7MZ7V016531     VWZ1Z0F2892783

No fault code found.

-------------------------------------------------------------------------------
Address 01: Engine        Labels: Redir Fail!
   Part No SW: 03G 906 016 JP    HW: 03G 906 016 JP
   Component: R4 2,0L EDC G000SG  9771
   Revision: --H02---    Serial number: VWZ1Z0F2892783
   Coding: 0000072
   Shop #: WSC 04049 202 180626
   VCID: FAA618D120C4370AC1F-51A8
   VINID: 9E69EAAAA1DDA8798004614304E8D57EB2

2 Faults Found:
001330 - A/C Refrigerant Pressure Sensor (G65)
               P0532 - 000 - Short to GND - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 0
                    Fault Frequency: 15
                    Reset counter: 255
                    Mileage: 208331 km
                    Time Indication: 0

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 12.31 V
                    Bin. Bits: 11001100
                    Temperature: 71.1°C
                    (no units): 16.0

005705 - Powertrain Data Bus
               P1649 - 000 - Missing Message from ABS Controller - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 208331 km
                    Time Indication: 0

             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 11.93 V
                    Bin. Bits: 11001100
                    Torque: 0.0 Nm
                    Bin. Bits: 00000000

Readiness: 0 0 0 0 0

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 7M3-907-37x-ESP-F.clb
   Part No: 7M3 907 379 E
   Component: ESP FRONT MK25      0102
   Coding: 0006154
   Shop #: WSC 00020 000 00000
   VCID: BFD0A9C57B66D222B61-513C

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 7M3-907-040.clb
   Part No: 7M3 907 040 J
   Component: CLIMATRONIC MPV GP  0007
   Coding: 00031
   Shop #: WSC 00020
   VCID: B53CCBED4C5A18726CD-2596

1 Fault Found:
01086 - Speedometer Sensor (G22)
            35-00 - -

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 7M3-962-258.lbl
   Part No: 7M3 962 258 BB
   Component:    Multifunkt.Einh  0004
   Coding: 04121
   Shop #: WSC 00020
   VCID: FBA81DD52AFE0E02DA9-508A

3 Faults Found:
01134 - Alarm Horn (H12)
            49-00 - No Communications
01148 - Activation of Safety/Deadbolt Locks in Doors
            29-10 - Short to Ground - Intermittent
01149 - Deactivation of Safety/Deadbolt Locks in Doors
            28-10 - Short to Plus - Intermittent

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
   Part No: 1C0 909 605 F
   Component: 2G AIRBAG VW61 0Q0M 0003
   Coding: 12871
   Shop #: WSC 00020
   VCID: A70011A586F67AE2EE1-50F4

1 Fault Found:
00532 - Supply Voltage B+
            07-10 - Signal too Low - Intermittent

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1J0-907-487-A.lbl
   Part No: 1J0 907 487 D
   Component: Lenkradelektronik   0002
   Coding: 00008
   Shop #: WSC 00020
   VCID: B236F0F1BD340F4A49F-5160

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 7Mx-920-xxx-17.lbl
   Part No: 7M3 920 840 T
   Component: KOMBIINSTRUMENT VDO V66
   Coding: 29111
   Shop #: WSC 00006
   VCID: C2D6A0310D94BFCAD9F-50F4

3 Faults Found:
00562 - Sensor for Oil Level/Temperature (G266)
            30-00 - Open or Short to Plus
00562 - Sensor for Oil Level/Temperature (G266)
            27-10 - Implausible Signal - Intermittent
01316 - ABS Control Module
            49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 18: Aux. Heat        Labels: 7M3-815-071.clb
   Part No: 7M3 815 071 G
   Component: HEIZG. B/D5W       0001
   VCID: B43AF6E94720017A5B3-513C

5 Faults Found:
01409 - Repeated Flame-Out
            35-00 - -
01409 - Repeated Flame-Out
            35-00 - -
65535 - Internal Control Module Memory Error
            00-00 - -
01409 - Repeated Flame-Out
            35-00 - -
65535 - Internal Control Module Memory Error
            00-00 - -

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.clb
   Part No: 6N0 909 901
   Component: Gateway K<->CAN    0001
   Coding: 00006
   Shop #: WSC 00020
   VCID: F0B23AF973B87D5A7FB-50F4

1 Fault Found:
01316 - ABS Control Module
            49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 29: Left Light        Labels: 7M3-907-391-29.lbl
   Part No: 7M3 907 391
   Component: EVG GDL + AutoLWR   0003
   Coding: 00005
   Shop #: WSC 00020
   VCID: F4BA36E907A0417A9B3-4B9A

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation        Labels: 3B0-919-887.lbl
   Part No: 3B0 919 887 E
   Component: Navigation     BNO 0304
   Coding: 00002
   Shop #: WSC 00020
   VCID: B43AF6E94720017A5B3-4AE0

No fault code found.

-------------------------------------------------------------------------------
Address 39: Right Light        Labels: 7M3-907-391-39.lbl
   Part No: 7M3 907 391
   Component: EVG GDL + AutoLWR   0003
   Coding: 00005
   Shop #: WSC 00000
   VCID: F4BA36E907A0417A9B3-4B7A

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 3B0-035-186.lbl
   Part No: 3B0 035 186 D
   Component: Radio          BNO 0304
   Coding: 08407
   Shop #: WSC 00020
   VCID: A0120AB9E3D88DDAAFB-4AE0

2 Faults Found:
00852 - Loudspeaker(s); Front
            36-00 - Open Circuit
00853 - Loudspeaker(s); Rear
            36-10 - Open Circuit - Intermittent

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 7M3-919-283.clb
   Part No: 7M3 919 283
   Component: Parkingsyst. SH RDW D02
   Coding: 00117
   Shop #: WSC 00020
   VCID: F7A001E516D62A62BE1-513C

3 Faults Found:
01546 - Sensor for Parking Aid; Rear Mid-Left (G204)
            37-00 - Faulty
01547 - Sensor for Parking Aid; Rear Mid-Right (G205)
            37-00 - Faulty
01548 - Sensor for Parking Aid; Rear Right (G206)
            37-00 - Faulty

End----(Elapsed Time: 03:45, VBatt start/end: 12.4V/12.4V. VIgn 0.0V)------
 
   #2  

TTT

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Well, obvious you should focus on the pressure sensor. How many wires it has. Identify which ones are the supply, ground and signal and start measuring.
 
   #3  

Dr Sheldon

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You come across as a dangerous !!

Installation is having 2 x evaporators, so 1050grams of R134 gas was added

So you added 1050g of R134

And removed sensors

evaporator sensors seems ok, I removed them from the body of the vents, because I could not find replacement ones

What you have done is wrong and Dangerous !!
 
   #4  

Uwe

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evaporator sensors seems ok, I removed them from the body of the vents, because I could not find replacement ones and I wanted to be sure they do not read a too low temperature.
I'm by no means an A/C expert, but wouldn't one do that by checking measuring blocks in the module and comparing the readings with a thermometer?

-Uwe-
 
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