VW Sharan - Multiple gremlins

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champagnecharly

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VW Sharan - Hazard lights , windows and parking gremlins

I'm having quite an issue with a vw sharan 1.9tdi 2004.

there than engine running rough idle it generally runs well.

However as there are clear electrical issues i thought i would tackle these first.
.
log will follow.. i have removed most where no faults for ease of reading


Issues i have. that are not described or evident from the log:


Some of the issues on parking: Looking at the module it looked rather rough as if some sort of mouldy looking stuff on circuitry.. Not got my ultrasonic cleaner where i am so cleaned it with isopropylene . Disconnected and reconnected the sensors and what were 10 errors dropped to 3. swapped the speaker and put it in the rear and it worked. then put it back.

Parking switch originally worked and then after cleaning board it stopped. Swapped over for the heated window switch and both the lights and switch worked as they should have. swapped it back. problem still existed.

Now what i see happening is a hazard light issue.
1) inconsistently: when pressing heated window the hazards will come on
2) new: inconsistent but frequent 40%.
With heated rear window on or off:
When opening the driver window. window wont open hazards blink twice(i think)

3) new: consistent
With heated rear window on:
Opening passenger window from driver side:
If window open. window closes
If window closed. Will not open


However :

With heated rear window off
passenger window opens and closes normally from driver control.

Note using pasenger control for pasenger window works fine:

NB2
Opening and closing the window by opening or closing the driver door with key and keeping it turned either closed or open.. window functions as expected. Even if wipers started on one occasion


Im not sure of what the best way to test continuity is.
Im very much a novice. and i noticed if i test a fuse board for continuity across a batch of fuses i get a positive result. But i presume its because they are on the same live feed.

I noticed a metal oval component had surface rust on the fuseboard control module... is that a diode of forms? its on this board that the hazard relay is.

NB a previous owner had wired in their own trailor socket by splicing into wiring ( disconected some). i also can not see a switch for auxilary heating and although measuring blocks says timer control is on.. there is no interface or even switch for aux heater.

Needless to say this is a car i have no idea of history of.

i did have coolant issue which i swapped for a new part and no error came back.


Logs are as follows:



Friday,19,April,2019,20:08:09:17923
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 18.9.1.0
Data version: 20190114 DS296.0
www.Ross-Tech.com


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
-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: Redir Fail!
Part No: 7M3 907 049 C
Component: Klimabetaetigung 0404
Shop #: WSC 00000 000 00000
VCID: 377CAE66450B87F22C-517C

1 Fault Found:
00926 - Terminal 30
002 - Lower Limit Exceeded

-------------------------------------------------------------------------------
Address 09: Cent. Elect. Labels: 7M3-962-258.lbl
Part No: 7M3 962 258 AH
Component: Multifunkt.Einh 0002
Coding: 04113
Shop #: WSC 00020
VCID: 000E05BA0045004ADD-50AE

2 Faults Found:
01138 - Central Locking Switch; Driver Door Unlocking
28-10 - Short to Plus - Intermittent
01179 - Incorrect Key Programming
35-10 - - - Intermittent

Constantly reocuring

4 Faults Found:
00969 - Fuse for Heated Rear Window (S41)
37-10 - Faulty - Intermittent
00989 - Fuse for Consumption Cut-Off (S157)
37-10 - Faulty - Intermittent
00965 - Fuse for Alarm Horn (S158)
37-10 - Faulty - Intermittent
00966 - Fuse for Blinkers (S151)
37-10 - Faulty - Intermittent


-------------------------------------------------------------------------------
Address 18: Aux. Heat Labels: 7M3-815-071.clb
Part No: 7M3 815 071 A
Component: HEIZG. B/D5W 0001
VCID: 2E528B02EA51463A7F-517C

5 Faults Found:
01414 - Combustion-Air Blower (V6)
36-00 - Open Circuit
01414 - Combustion-Air Blower (V6)
36-00 - Open Circuit
01414 - Combustion-Air Blower (V6)
36-00 - Open Circuit
01414 - Combustion-Air Blower (V6)
36-00 - Open Circuit
01414 - Combustion-Air Blower (V6)
36-00 - Open Circuit

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

-------------------------------------------------------------------------------
Address 56: Radio Labels: 1J0-035-15x-56.lbl
Part No: 6X0 035 152 B
Component: Radio BNO 0006
Coding: 00001
Shop #: WSC 00788
VCID: 306E957AF06550CA6D-4AE8

1 Fault Found:
00852 - Loudspeaker(s); Front
36-00 - Open Circuit

-------------------------------------------------------------------------------
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: 77FC6E66558B47F2EC-5140

3 Faults Found:
01544 - Indicator Lamp for Parking-Aid (K136)
29-00 - Short to Ground
01549 - Supply Voltage for Parking-Aid Sensor
29-00 - Short to Ground
01625 - Front Parking Aid Warning Chime (H22)
28-00 - Short to Plus

End-------------------------(Elapsed Time: 04:48)--------------------------
 
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