Complicated MK5 Golf Steering Angle Sensor Fault

   #21  
golfi_vend

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I hardly think its bad g85. Otherwise it would say something like " steering angle - no signal". Fault code indicates a more like when you remove battery and car has to be driven for evaluation. I would rather check ABS wiring with load to see wire integrity. And check for SW updates too.
 
   #22  
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Not sure if Erwin do a day subscription, but I won't personally check the wires. I won't do the repair myself, as there are too many delicate bits. It's best left to a professional. The reason I have posted this is incase I could do something with VCDS, or check the fuses etc.

I think it's exceedingly unlikely to be two faulty G85 sensors (with the new one being brand new from VW).

As golfi_vend says, it appears to be some sort of battery issue. It appears to lose calibration every now and then. However, I put a brand new Varta battery in December (to the correct specs). I had a battery test done yesterday and it's fine.

How do I check for SW updates, golfi_vend?
 
   #24  
G

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VW can't tell me if there are any updates without plugging the car in.

They did say that for £60 (can't remember if that includes VAT, £72 if it didn't) they'll definitely find out what's wrong. My guess is that it's going to take them a while. Crucially it includes a courtesy car. Seems very reasonable for a cast iron answer.
 
   #25  
Jack@European_Parts

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What are you waiting for ?

When you are done pulling your pud with the dealer ....get the WD in Erwin, and lets move forward with actual tests.

There are no magic answers........only the ones you test + verify.
 
   #26  
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You're a funny guy with a clear disdain for the Brits. Luckily I'm an easy going kinda guy and Brits are usually very reserved.

I'm just going to get VW to find out what's wrong. I'll report back as to what the fault was.
 
   #27  
Jack@European_Parts

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I was an abused child.........Nah I hate everyone equally.

Your happiness is my only concern...... don't you know that?

If I didn't like the British........ I'd not offer to help you find your way.
I'd lead you into a black hole.

On the other hand.......... if Hitler would of swarmed the UK first........ I think you would be driving on the right side of the road, and the country would probably not be suffering from gingivitis.


"Give me WD or give me a Tone Generator"


https://en.wikipedia.org/wiki/Category:Defunct_motor_vehicle_manufacturers_of_the_United_Kingdom
 
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   #28  
Uwe

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GTINR said:
You're a funny guy with a clear disdain for the Brits.
Click to expand...
Don't take anything Jack says personally -- or as aimed at a particular race, religion, or nationality. That's just the way he is. :facepalm:

-Uwe-
 
   #29  
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Of course it's all just fun and you guys are trying to help me. But there's only so much I can do personally unfortunately.

I was looking at some measuring blocks in Central Electric module, and terminal 31 reads a constant 0.10v, whereas the others hover around 13.5 to 14v. Is that normal?

Also had a look under the bonnet and it looks like some of the black sheet covering the wires is discoloured in drops, like brake fluid has been dropped on it?
 
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   #30  
Uwe

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Terminal 31 is... Ground. :)

-Uwe-
 
   #31  
Jack@European_Parts

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Yeah .....OP needs to read the section in repair manual "How to read WD"

https://en.wikipedia.org/wiki/DIN_72552

This table gives most frequently used numbers.
Contact
Meaning
Ignition system
1
ignition coil, distributor, low voltage
1a, 1b
distributor with two separate circuits
2
breaker points magneto ignition
4
coil, distributor, high voltage
4a, 4b
distributor with two separate circuits, high voltage
7
terminal on ballast resistor, to distributor
15
battery+ from ignition switch
15a
from ballast resistor to coil and starter motor
Preheat (Diesel engines)
15
preheat in
17
start
19
preheat (glow)
Starter
50
starter control
Battery
15
battery+ through ignition switch
30
from battery+ direct
30a
from 2nd battery and 12/24 V relay
31
return to battery- or direct to ground
31a
return to battery- 12/24 V relay
31b
return to battery- or ground through switch
31c
return to battery- 12/24 V relay
Electric motors
32
return
33
main terminal (swap of 32 and 33 is possible)
33a
limit
33b
field
33f
2. slow rpm
33g
3. slow rpm
33h
4. slow rpm
33L
rotation left
33R
rotation right
Turn indicators
49
flasher unit in
49a
flasher unit out, indicator switch in
49b
out 2. flasher circuit
49c
out 3. flasher circuit
C
1st flasher indicator light
C2
2nd flasher indicator light
C3
3rd flasher indicator light
L
indicator lights left
R
indicator lights right
L54
lights out, left
R54
lights out, right
AC generator
51
DC at rectifiers
51e
as 51, with choke coil
59
AC out, rectifier in, light switch
59a
charge, rotor out
64
generator control light
Generator, voltage regulator
61
charge indicator (charge control light)
B+
battery +
B-
battery -
D+
dynamo/alternator diode+
D-
dynamo/alternator diode-
DF
dynamo field
DF1
dynamo field 1
DF2
dynamo field 2
U, V, W
AC three phase terminals
Lights
54
brake lights
55
fog light
56
spot light
56a
headlamp high beam and indicator light
56b
low beam
56d
signal flash
57
parking lights
57a
parking lights
57L
parking lights left
57R
parking lights right
58
licence plate lights, instrument panel
58d
panel light dimmer
Window wiper/washer
53
wiper motor + in
53a
limit stop +
53b
limit stop field
53c
washer pump
53e
stop field
53i
wiper motor with permanent magnet, third brush for high speed
Acoustic warning
71
beeper in
71a
beeper out, low
71b
beeper out, high
72
hazard lights switch
85c
hazard sound on
Switches
81
opener
81a
1 out
81b
2 out
82
lock in
82a
1st out
82b
2nd out
82z
1st in
82y
2nd in
83
multi position switch, in
83a
out position 1
83b
out position 2
Relay
85
relay coil -
86
relay coil +
Relay contacts
87
common contact
87a
normally closed contact
87b
normally open contact
88
common contact 2
88a
normally closed contact 2
88b
normally open contact 2
Additional
52
signal from trailer
54g
magnetic valves for trailer brakes
75
radio, cigarette lighter
77
door valves control
Click to expand...
 
   #32  
G

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Thanks fellas. Does the wire near the brake fluid reservoir look damaged?
 
   #34  
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Cheers for the link, Jack. I've learnt a lot on this thread.

Booked in with VW for the end of the month. I'll have to live with it until then. Though, I may check out that wiring this weekend, as the previous owner did replace the coolant expansion tank himself just before the light came on. He may have damaged something in that area.

I will be sure to update the thread once VW have resolved it. Hopefully it will help someone with the same problem in the future.
 
   #35  
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Just had a feel of that wire and it's wet/damp to the touch, only where the discolouration has occurred. The other areas are dry. Some fresh fluid is constantly hitting it. I can't imagine that's a good thing? Obviously the best thing is to inspect the wires underneath, but I have to wait until tomorrow at the earliest.

Any idea what these wires might do? Right next to the brake fluid reservoir, heading into the cabin.
 
   #36  
Jack@European_Parts

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That is what the repair manual is for with WD.

Stop asking questions unrelated to VCDS and trying to circumvent a proper diagnosis.

Erwin............
 
   #37  
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I figured you'd say that. Had a look through official repair manuals and it appears to lead to control unit J104, the ABS module.

This would make sense, as a disruption in this wire causes the fault in the ABS module in VCDS. The wire looks to be oxidising underneath the sheath.

I may inspect tomorrow.
 
   #38  
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VW have the car.

They've diagnosed it as the clock spring. Does that sound plausible?

They're gonna replace it tomorrow morning.
 
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   #39  
Jack@European_Parts

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Depends ......if by clock spring, are the referencing the steering angle sensor?

Ask for a part # they are replacing...........
 
   #40  
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Hey, Jack. The part number there replacing is 1k0959653c. Initially he just repeated that they were replacing the steering angle sensor, I told him a million times that it's been replaced. Then suddenly he said "oh I was just reading your last receipt for the steering angle sensor". Then he said something about the yaw sensor behind the steering wheel, and ended up saying they were replacing the clock spring.

He said they tested the clock spring and that's what the computer was telling them, even though he said it was a steering angle sensor fault initially.

I thought I'd have a host of other faults on the steering wheel front if it were the clock spring? Such as the horn not working, airbag light.
 
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