7L Touareg Rain sensor

   #1  

HCAE

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Hi all

Have a mate with a 7L Touareg wipers don't work on intermittent. We suspect a faulty rain sensor but can't find any measuring blocks with the data in it. Can someone point me in the right direction please?

From what I can tell it has rain sensor enabled in the coding...

Auto Scan
Code:
Thursday,21,August,2014,16:56:17:55685
VCDS -- Windows Based VAG/VAS Emulator
VCDS Version: 12.12.2.0 (x64)
Data version: 20140212


VIN: WVGZZZ7LZ5D065348   License Plate: 
Mileage: 141190km-87731mi   Repair Order: 



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


Chassis Type: 7L (7L - VW Touareg (2003 > 11/2006))
Scan: 01 02 03 05 06 08 09 11 13 15 16 17 18 19 1C 22 29 32 34 36
          37 39 3C 46 47 55 56 57 64 65 68 69 6C 6D 6E 75 76 77
 
VIN: WVGZZZ7LZ5D065348   Mileage: 141190km/87731miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 077-907-560-AXQ.lbl
   Part No SW: 4D0 907 560 BQ    HW: 8E0 907 560 
   Component: 4.2L V8/5V      G   0070  
   Coding: 0011875
   Shop #: WSC 31414 000 00000
   VCID: 76E3F4A3021EB8AEB1B-5140

No fault code found.
Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09D-927-750.lbl
   Part No: 09D 927 750 BQ
   Component: AL 750 6A           0577  
   Coding: 0012330
   Shop #: WSC 31414 000 00000
   VCID: 7EF3EC832A2EF0EEE9B-5140

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 7L0-907-379-MK25.lbl
   Part No: 7L0 907 379 G
   Component: ESP ALLRAD MK25     0203  
   Coding: 0014594
   Shop #: WSC 31414 000 00000
   VCID: 3D712B8F67A82BF6B01-5140

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels: 3D0-909-13x-05.lbl
   Part No SW: 3D0 909 135 P    HW: 5WK 470 25
   Component:    Kessy            6610  
   Revision: 66105312    Serial number: VWZ3Z0E5311932
   Coding: 0008424
   Shop #: WSC 31414 000 00000
   VCID: 326B08B3AEF6E48E5D3-5140

   Subsystem 1 - Part No: XXXXXXXXXXX 
   Component: ELV                 XXXX

1 Fault Found:
00172 - Key 2 not learned 
            008 - Implausible Signal - Intermittent

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 7L6-907-040.clb
   Part No: 7L6 907 040 H
   Component: CLIMAtronic R/L   X 3716  
   Coding: 0000030
   Shop #: WSC 31414 000 00000
   VCID: 356133AF5F98F3B6781-5140

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 7Lx-937-049-V1.clb
   Part No: 7L6 937 049 M
   Component:                     3001  
   Coding: 0236796
   Shop #: WSC 31414 000 00000
   VCID: 46834463327E682EE1B-5140

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 3D0-909-601.lbl
   Part No: 3D0 909 601 E
   Component: 0B Airbag 8.4E+ H10 0951  
   Coding: 0012354
   Shop #: WSC 31414 000 00000
   VCID: 2541E3EFEF388336C81-5140

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 7L6-953-549.lbl
   Part No: 7L6 953 549 D
   Component: Lenksäulenmodul     3301  
   Coding: 0000031
   Shop #: WSC 31414 000 00000
   VCID: 408F527B105A461EDB7-5140

   Subsystem 1 - Part No: 7L6 953 549 D
   Component: Lenksäulenmodul     3301

No Faults Found
  or DTCs not supported by controller
  or a communication error occurred

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 7L6-920-xxx-7LA.lbl
   Part No: 7L6 920 881 
   Component: KOMBIINSTRUMENT RB8 3135  
   Coding: 0007511
   Shop #: WSC 87300 981 60639
   VCID: F5E173AF9F1833B6381-5140

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
   Part No: 6N0 909 901 
   Component: Gateway K<>CAN      0101  
   Coding: 0000006
   Shop #: WSC 87300 981 60639
   VCID: F0EF42BBE07A169EEB7-5140

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD        Labels: None
   Part No: 0AD 927 755 AJ
   Component: TRANSFERCASE        0100  
   Shop #: WSC 00000 000 00000
   VCID: 83051D77C1CC1D06065-5140

No fault code found.

-------------------------------------------------------------------------------
Address 29: Left Light        Labels: 3D0-909-157.lbl
   Part No: 3D0 909 157 
   Component: EVG GDL+AutoLWR(l)  0001  
   Coding: 0000003
   Shop #: WSC 31414 000 00000
   VCID: E6C324E3D2BEC82E81B-515E

1 Fault Found:
01344 - HID (Xenon) Headlight 
            012 - Electrical Fault in Circuit - MIL ON

-------------------------------------------------------------------------------
Address 34: Level Control        Labels: 7Lx-907-553-34.clb
   Part No: 7L0 907 553 F
   Component: LUFTFDR.-CDC- 3C3P1 3081  
   Coding: 0015521
   Shop #: WSC 87300 981 60639
   VCID: 366334A3429EF8AE71B-5140

No fault code found.

-------------------------------------------------------------------------------
Address 39: Right Light        Labels: 3D0-909-158.lbl
   Part No: 3D0 909 158 
   Component: EVG GDL+AutoLWR(r)  0001  
   Coding: 0000017
   Shop #: WSC 00000 000 00000
   VCID: E7DD29E7D5B4D126BAD-5124

2 Faults Found:
01539 - Headlights Not Adjusted 
            005 - No or Incorrect Basic Setting / Adaptation - MIL ON
00003 - Control Module 
            005 - No or Incorrect Basic Setting / Adaptation - MIL ON

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 7L0-959-933.lbl
   Part No: 7L0 959 933 E
   Component: 2L HSG              0201  
   Coding: 0000069
   Shop #: WSC 31414 000 00000
   VCID: 3E732C836AAE30EEA9B-4B00

   Subsystem 1 - Part No: 7L0 959 701 K
   Component: Tuersteuergeraet FS 0201

   Subsystem 2 - Part No: 7L0 959 702 K
   Component: Tuersteuergeraet BF 0201

   Subsystem 3 - Part No: 7L0 959 703 C
   Component: Tuersteuergeraet HL 0201

   Subsystem 4 - Part No: 7L0 959 704 C
   Component: Tuersteuergeraet HR 0201

   Subsystem 5 - Part No: 7L0 907 719 
   Component:    Neigungssensor   0020

   Subsystem 6 - Part No: 7L6 951 171 
   Component: A  Innenraumsensor  0019

No fault code found.

-------------------------------------------------------------------------------
Address 68: Wiper Electr.        Labels: 7L0-955-119-V2.clb
   Part No: 7L0 955 119 L
   Component: Front Wiper         4027  
   Coding: 0000855
   Shop #: WSC 31414 000 376832
   VCID: 3D712B8F67A82BF6B01-5140

   Subsystem 2 - Part No: 1K0 955 559 AF  Labels: 1K0-955-559-AF.CLB
   Component: RLS     240208 046  0204  
   Coding: 00733221
   Shop #: WSC 31414  

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 3D0-919-283.lbl
   Part No: 7L0 919 283 F
   Component: 0D Einparkhilfe     1107  
   Shop #: WSC 00000 000 00000
   VCID: 39793F9F738017D69C9-515E

No fault code found.

End   ---------------------------------------------------------------------

Thanks
 
   #2  

Uwe

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The first thing I'd do is check status of wiper switch 68: Wiper Electr, MVB 001.

-Uwe-
 
   #3  

HCAE

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Forgot to mention that, we have checked the switch operation and it all seems to be fine.
 
   #4  

NEtech

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Have you checked engine hood (or whatever it is called) contact, [46-Central comfort], MWB 014 ?
 
   #5  

Dana

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In addition to the Hood/Bonnet suggestion I wonder if vehicle speed is required for the Intermittent operation? My Tiguan with RLS (which is a completely different animal diagnostically) for example stops wiping until I begin to accelerate based on the factory speed dependent settings. I have no idea if that's possible on a T'reg but hopefully someone can chime in and correct me.
 
   #6  

Jack@European_Parts

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Just out of curiosity has anyone tried coding out the rain sensor, so the wipers just work when you hit the switch.

My favorite is the hood switch personally.

Don't rule out that wipers may also be effected by the DTC either cluttering traffic on CAN in addition to other DTC's or could possibly be required for wipers on since its a law/rule in most places to have lights on when wipers are on........
1 Fault Found:
01344 - HID (Xenon) Headlight
012 - Electrical Fault in Circuit - MIL ON
 
   #7  

Lgibson

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The 7L with "rain sensor automatically either shortens or lengthens the intervals between wipes depending on how hard it is raining." Not directly under your control.
There is an upgraded sensor you might like better: 1K0 955 559 AH.
You might also check Byte 2 of your coding. Should be 2D For Touareg with the AH version. Not sure about AF tho.
 
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