New DVD Player Special For E46

[jarance]

Power = Volt X Volt / Ohms

if Ohms = 4.6 ohm, then power dissipated = 12X12/4.6=31watt. Hope you resistor is rated to that value or else it will burnt out very soon.

If ohms = 500 ohm, then power dissipated = 12X12/500=0.3 watt. Please select resistor to 0.5 watt. (This is based on some of the posting above)

 

[jarance]

Bro, your HU working fine now?

not very good. loaded the new firmware but still facing the same problem. but now the menu display is reddish skin instead of blueish skin.

 

[johnj]

j_john@tm.net.my

Jarance..you are always a saviour!!!

 

[bmw7833]

not very good. loaded the new firmware but still facing the same problem. but now the menu display is reddish skin instead of blueish skin.

Since the updated firmware can not help much, then probably IC error. Will pass to u soon. I have the blueish skin firmware as well.

I thought a 4.6 ohm resisitor will do the trick. yet to try.

Alternatively, u can use a wedge bulb to trick OBC..:4:

 

[aidilj]

Guys,

Can somebody post some pictures of the HVAC control panel after it is moved to the below compartment? I tried to do mine and there is too much slack, and any of you using the relocation kit? I think what I would like to know is how do you guys do it without the relocation kit..

Thanks
Aidil

 

[haywire]

My E39 also show the error code on panel as pic attached. I discuss with Haywire and Goggle bimmer forum, solution should be a resistor. 560 oHm is recommended. I have yet to fix it. Need to go back to the installer shop to do it I guess.

Reference : http://forum.e46fanatics.com/showthread.php?t=327768&highlight=rear+camera

The system (LCM) pings the bulb every time we start the car to check if the bulb is working and not burnt out, with the old bulb the resistance is high, when the current passes with resistance it will tell the LCM the bulb is OK. With LED, resistance is very low, the LCM will think that the bulb is broken and there is a break in the circuit hence its giving the error message. Adding a resistor will give back the resistance that it needs. Probably works with a relay as well but I dont know how that works.

New type LED bulb already includes the resistor in it.

It is due to the 'ping' from the LCM that we have the 'light show' when we change from normal bulb to LED. Small current given by the LCM would not light the normal bulb due to the high current that it needs to light up, but LED will light up because it only needs a very small power to emit light briefly.

Correct me if I'm wrong. We're all learners here.

 

[haywire]

This was what I did when I installed my reverse camera:

Use back the original bulb and holder but hide it within the bootlid.

Did it because I dont have a resistor handy and didnt want to bother looking for one.

 

[jarance]

Guys,

Can somebody post some pictures of the HVAC control panel after it is moved to the below compartment? I tried to do mine and there is too much slack, and any of you using the relocation kit? I think what I would like to know is how do you guys do it without the relocation kit..

Thanks
Aidil

Please wait for the picture and the modification that I have done for my E46. It in my the other camera and presently at home.
Will upload soon in a new thread once I sorted out all the bug.
it will be in 3 parts.
part 1 - relocation of A/C unit
part 2 - installation of DD Player
part 3 - installation of Reverse camera.

I have done part 1 & 2. Planning to do part 3 this weekend.

 

[aidilj]

Haywire,

You are correct. But by putting the resistor we are effectively fooling the machine that there is a bulb and can't tell if your LED is burnt since the resistor is put in parallel to the LED.

I would like to know about the relay method that bmw7833 has been mentioning.

 

[jarance]

The system (LCM) pings the bulb every time we start the car to check if the bulb is working and not burnt out, with the old bulb the resistance is high, when the current passes with resistance it will tell the LCM the bulb is OK. With LED, resistance is very low, the LCM will think that the bulb is broken and there is a break in the circuit hence its giving the error message. Adding a resistor will give back the resistance that it needs. Probably works with a relay as well but I dont know how that works.

It is due to the 'ping' from the LCM that we have the 'light show' when we change from normal bulb to LED. Small current given by the LCM would not light the normal bulb due to the high current that it needs to light up, but LED will light up because it only needs a very small power to emit light briefly.

Correct me if I'm wrong. We're all learners here.

bro, incandescent bulb is low resistance. LED bulb is high resistance.

I am trying to use a software to disable this monitoring. stay tuned.

 

[aidilj]

bro, incandescent bulb is low resistance. LED bulb is high resistance.

I am trying to use a software to disable this monitoring. stay tuned.

Owh yes, the resistance value that is detected can be changed through the OBD interface. Let me try to find reference for that, it's been awhile

 

[aidilj]

bro, incandescent bulb is low resistance. LED bulb is high resistance.

I am trying to use a software to disable this monitoring. stay tuned.

Jarance, this can be done through ibus? http://www.bmwfanatics.co.za/showthread.php?tid=1838

When are you going to get Resler's ibus module?

 

[jarance]

aidil, not getting resler but instead got this module from china coz can connect with usb direct.
Cost less than RM200 all in.

It have one of the feature like this menu. maybe can disable this cold check at the Light control module.

 

[haywire]

Thats PA Soft 1.4.0 (counterfeits), I didnt know its that cheap these days. Originals are really expensive. When I was looking for it in March it was around GBP120 (RM600) for counterfeits.

In the end I bought PA Soft 1.3.6 (previous version)

GBP23 on ebay (RM115 approx)

Compatible with OBD1 (OBD in the bonnet) and OBDII (OBD in compartment near the steering) as both connectors are included in the package.

I believe the version 1.4.0 above is OBDII only? (does not include OBD1)

 

[haywire]

Q. Resistor - what type should I use with my LED?
A. Resistors regulate current to keep it to a limit or an acceptable range before it reaches your LED. Current and voltage in a resistor are linearly related (see Ohm's Law.) For this reason it is best to use a current-limiting resistor instead of a voltage-limiting resistor. -- might be pricier...

Q. LEDs resistance - what is it and how it behaves.
A. Unlike conductor materials, LEDs are semiconductors and don't have one fixed resistance, they have varying resistances. The current flowing in an LED is an exponential function of voltage across the LED.
This means that a small change in extra voltage can result in large change of current.



Dug up some information on the internet regarding the LEDs

 

[jarance]

I think the version V1.3.6 works the same way except that it use a com port. So have to pay extra for a USB/Com port converter which will cost about RM30 to RM50.

I prefer to pay slight extra for the USB version cos hate to carry extra thing. I have a few USB/Com converter from my previous project.

 

[haywire]

I think the version V1.3.6 works the same way except that it use a com port. So have to pay extra for a USB/Com port converter which will cost about RM30 to RM50.

I prefer to pay slight extra for the USB version cos hate to carry extra thing. I have a few USB/Com converter from my previous project.

I would prefer to buy version 1.4.0 as well but it was too expensive back in March (GBP23 vs GBP120)

 

[jarance]

Q. Resistor - what type should I use with my LED?
A. Resistors regulate current to keep it to a limit or an acceptable range before it reaches your LED. Current and voltage in a resistor are linearly related (see Ohm's Law.) For this reason it is best to use a current-limiting resistor instead of a voltage-limiting resistor. -- might be pricier...

Q. LEDs resistance - what is it and how it behaves.
A. Unlike conductor materials, LEDs are semiconductors and don't have one fixed resistance, they have varying resistances. The current flowing in an LED is an exponential function of voltage across the LED.
This means that a small change in extra voltage can result in large change of current.



Dug up some information on the internet regarding the LEDs

yes, LED have non linear current characteristic. It call forward bias current. When it conduct due to the voltage, the current will increase rapidly.
Normal LED have bias voltage of 1.5 V whereas super bright LED are rated to 3.0 V or more. So for most application of 12VDC, it is normal to use 470 ohms
to be wired in series with the LED to limit the current.

In the case of SMD LED, you will also see SMD resistor wired in series with the LED.

 

[aidilj]

Good going guys, for my project I'm planning to get both IBUS and Can bus monitor. The Can bus would be a generic OBDII scanner with elm327 here http://www.mo-co-so.com/OBD-II-Interfaces-EML323-ELM327-Bluetooth-327-Scan-Tool-s/8.htm since I need to make sure it works with the frontend software. So no fancy BMW-specific code hnadling here. Probablt tinkering through the IBUS and navcoder only.

 

[johnj]

imeasured the bulb and its 3ohms..measured the led socket and its 8kohms...hence the error...if I juct connect a bulb like what someone posted, the problem is solved but bear in mund that the bulb gets hot and in an enclosed enviroment with plastic, it's dangerous. I'm opting for resistor..