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Messages - Marks DTM Calib

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1
General Discussion Area / Re: Microsoft worldwide outage
« on: 19 July 2024, 14:25:51 »
OOF and porn hub are still working
what's the problem  :P

Not for me it's not

2
General Discussion Area / Re: Leeds riots
« on: 19 July 2024, 11:12:43 »
Looks like a beach party at Sangatte



So that tells you exactly where the issue lies

3
General Car Chat / Re: So what have you done to your car today?
« on: 17 July 2024, 08:01:47 »
Live data for front left has 2 sets of figures, both voltages and calculated height, for both RLM and for ADM.

With the cheap sensor, these are showing crap readings. All over the place, and implausible with each other.  With the original, now destroyed, sensor, one reading was valid, other was 0V

Live data will be showing the voltage the ECU sees on the ADC pin (so the voltage) and then a set of calculated values which, in theory, are more understandable by the spanner monkeys.

If I get chance I will check the wiring diagrams to see if the pinouts changed on the sensors at any point (as they did on the Omega V6 throttle pots)

4
General Car Chat / Re: So what have you done to your car today?
« on: 16 July 2024, 16:28:44 »
It won't be on CAN, the most it would be for that sensor type (low and slow data rate) would be LIN, but its actually just hard wired analogue to the controller. CAN needs a stack, and therefore an OS, bigger processor etc etc, so cost generally keeps it away from sensors (Radar units and the like being an exception).
And in the case of the x351, each sensor has 2 sensors in according to the system description, for 2 different purposes.

I'm surprised that there isn't just one sensor per corner, and the controller make that available to everything via CAN?

The sensors are individual, the usual height hall effect type sensor with a ball joint connection and then, if its got the active dampers, there are the accelerometers front and rear.

The Topix description is badly worded, reality is the sensor is the classic hall effect position sensor system with an analogue output. The controller then uses the position for the air setup, the signal is then differentiated to get the rate of change, this can then be used for the active shocks.

Its all controlled directly from the ADM and if any signals need to be obtained from elsewhere, or passed to other controllers, its then over CAN via the GWM (so the likes of steering input etc): modes are:

  • Body Control – Uses body vertical accelerometer and CAN inputs. Calculates road induced body motions 100 times a second and sets each damper to the appropriate level to maintain a flat and level body attitude. Provides improved body control without loss of ride quality.
  • Roll Rate Control – Uses CAN inputs. Predicts vehicle roll rate due to driver steering inputs 100 times a second and increases damping to reduce roll rate. Provides improved control and driver confidence.
  • Pitch Rate Control – Uses CAN inputs. Predicts vehicle pitch rate due to driver throttle and braking inputs 100 times a second and increases damping to reduce pitch rate. Provides improved control and driver confidence.
  • Bump Rebound Control – Uses suspension height sensor and CAN inputs. Monitors the position of the wheel 500 times a second and increases the damping rate as the damper approaches the end of its travel. Provides improved ride quality.
  • Wheel Hop Control – Uses suspension height sensor and CAN inputs. Monitors the position of the wheel 500 times a second and detects when the wheel is at its natural frequency and increases the damping. Provides improved ride quality.



5
General Car Chat / Re: So what have you done to your car today?
« on: 16 July 2024, 09:22:14 »
It won't be on CAN, the most it would be for that sensor type (low and slow data rate) would be LIN, but its actually just hard wired analogue to the controller. CAN needs a stack, and therefore an OS, bigger processor etc etc, so cost generally keeps it away from sensors (Radar units and the like being an exception).




6
General Car Chat / Re: So what have you done to your car today?
« on: 15 July 2024, 16:14:32 »
Incidentally, is it a Ford part? :-\
Hard to tell, as JLR only sell with bracket, and thus their PN is with the unique bracket.  Mine had minimal markings left, but looking at images on google for engineering numbers, it starts AW93, thus originally (from a JLR point of view) for a 2010 XJ....
AW933C280BC to Vin ending V07103
AW933C280BD V07104 to V39426
8W833C279BE after V39427

The bracket is not part of the sensor (sold separately)

7
I just fit the comfort indicator panel Ctek ones, they also have a port for a Ctek charger making top up dead easy.

I have one on the tractor and the F-type.

They have a very very low battery drain and just gently flash the charge status on the three LEDs

8
General Car Chat / Re: iPace Buying Advice
« on: 28 June 2024, 09:59:13 »
We had one for three years (now returned - 21MY) and it was faultless, it cost us £400 (after tax on salary sacrifice) all in (so insurance, servicing, tyres, tax the works) which is a great deal hence we grabbed it. I suspect many of the 21MY cars for sale are these HSE ones with OY number plates  :y

They can have issues, early cars had heater issues and there is a battery cell problem (covered under warranty for 8 years) which can occur.

The 12V battery on early cars can be a bit problematic to (but is not expensive and is easy to change).

Great to drive, and I mean really really good, not much close to it in the EV world.

They are a gen 1 400V system and hence max charge rate is just under 100A and not for the full charge cycle (not an issue for most usage).

We use to get circa 200 miles range in the winter and 240 miles in the summer but, it depends on driving style and top speed (blatting along country lanes is better than motorway cruising).

We were very close to getting another but, decided five cars was a bit excessive so didn't

9
General Car Chat / Re: So what have you done to your car today?
« on: 21 June 2024, 13:23:51 »
Yep, it’s still like that to this day.  ;D  It’s finding 12 satellites, which is probably as good as the shark fin, considering that the box is just thrown somewhere under the dashboard. Only issue really is when I do a code scan I get an open circuit fault for the shark fin but I can live with that.  :)

Shark fin will see more and with a higher signal strength but, you only need 4 or 5 in sight to get a half decent position.

I suspect the shark fin antenna has a DTC resistor in it so it would be possible to get rid of that but adding the same.


10
General Car Chat / Re: So what have you done to your car today?
« on: 21 June 2024, 13:21:21 »
I was impressed with how the accuracy of the navigation system is with the GPS antenna disconnected.  Over 30 miles driven, and its still cock-on :)

Dead reckoning working then

11
General Car Chat / Re: Timing belt brands - any good?
« on: 19 June 2024, 12:28:54 »
Need to do the timing belt on the galaxy over the next few months and I've been looking at what kit to buy. Ford branded is circa three times the cost of any other and seeing as they don't make belts themselves I figure I'm paying for the blue oval box and a hologram.

The available brands I've heard of seem to be
- Gates
- SKF
- Contitech
- Dayco

Are these brands all much of a muchness or are there some which should be avoided?

All are good, Dayco are often the Ford OE supplier for such items

12
General Car Chat / Re: So what have you done to your car today?
« on: 14 June 2024, 07:54:45 »
You need to find and fix what has caused the belt to go  :y

13
General Car Chat / Re: Budget Tyres
« on: 07 June 2024, 14:51:35 »
I need to sort some on the daughters Adam, ....

She was a little girl when I last saw her!  :o

Yes, now she is a big pain in the ass.......just like her mother ;D

14
General Car Chat / Re: Budget Tyres
« on: 07 June 2024, 11:05:33 »
The rears look original (7 years old!) so they need doing to
Sir Tig would say there is years of life left in them ;D

Do you recall that small angry thing  :-X, well she is pestering me to sort them out   :o

15
General Car Chat / Re: Budget Tyres
« on: 07 June 2024, 09:50:44 »
I need to sort some on the daughters Adam, it has Barum Bravaris on the front and the noise is very high, they are degrading fast and dry handling is 'dangle berries'.

The rears look original (7 years old!) so they need doing to

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