Note: In the text, LCD means liquid crystal display. LCD to LCD
has no relationship.
The reverse may not be true;
(km C miles F)- The button to the left of the LCD - switches between English and
metric units.
Useful to switch miles/gallons/Fahrenheit to kilometers/liters/degrees after
transition to English language.
(to the right of the phototransistor to automatically adjust the brightness of the board. Pressing does not
subject).
Top row:
[ 1000]
To enter, respectively, thousands, hundreds, tens and units of a particular parameter.
[s/r] - Set/Reset
An analogue of the Enter key on simpler computers, saves the entered data.
When pressed in clock mode, the horn symbol lights up/off.
It will beep half a minute before the end of each hour (reminds you of the need
turn off the Tender May group and listen to the news on the subject “isn't it time for us
dump?) [ UHR / DAT] - Switches time to date and vice versa to display \\ changes.
The prompt to enter the year will appear after entering the date. The year 2000 works without issue.
The data is saved after pressing s / r, while the seconds run and are not displayed,
reset to 00.
- Fuel consumption 1 and fuel consumption 2. The report starts after pressing s/r.
Shows integral on 100 km of a way. Two registers can be
used to track consumption, for example, over the entire distance and any of its
site.
- How many km can you still drive on the remaining fuel. When value
dashes appear less than 15 km (it's time to feed the car). If there is a + symbol
next to km there is more fuel in the tank than indicated in km or full tank.
- average speed. The countdown starts after pressing s/r .
[A-TEMP]- Ambient air temperature. May not be relevant after
parking with a warm engine (the sensor in the front bumper heats up).
Updated as you go. At a temperature of + 3C when the ignition is turned on
a warning (beep) is issued. Means that at +3C it is theoretically possible
formation of ice on overpasses, etc., i.e. call for caution.
- Counts time 1 and time 2 (similar to consumption). First in minutes:
seconds, then hours: minutes.
The maximum value is 99 hours 55 minutes. It's just elapsed time and nothing else.
It stops when the ignition is turned off and resumes when it is turned on.
In cars equipped with parking heater (park ventilation) sets the time
start and stop heating
- Estimated time of arrival. Works only with data entered in DIST.
- You can enter the distance to the intended target. Just leads back
km count. In this case, the arrival time is extrapolated from the traffic dynamics.
The countdown starts after pressing s/r.
- Speed limit. If the current speed exceeds the set speed by more than 5
km/h, the BC flashes and the LED starts flashing. A message is displayed on the board. Pro
failure of the car to pick up speed.
Key to radio position, enter a code of 4 (any) digits and
press s / r, turn off the ignition. This activates the hood opening monitoring,
rear seat and take out the radio. If one of the three is not in place, the LED
flashes invitingly - it is necessary to check whether everything is closed / inserted into place.
The next time you turn on the ignition, you must enter the code (preferably the same as
which was at the beginning of any) and press s / r. Without this, it is impossible to start the engine, and after 3-
th start attempt.
If there is a display at the bottom of the board (there is no E34 on 520i and 525 td / tds), then the entire
information from the BC can be independently reflected on it. Displayed by
sequentially pressing the turn signal switch to the steering block (there is such an arrow and letters -BC)
The display sequence can be programmed.
To do this, press the switch and hold it for 3 seconds. PROG1 will light up.
Press on the BC those buttons, the information from which is desirable on the display. Finally
by s / r, while the information passes cyclically and it is not necessary to display all of it.
Use the km / miles button to select between costs. Similarly for two
ZEIT values and time/date. If s/r is pressed immediately after the PROG 1 prompt, the
the display will sequentially display all data from the BC.
To another language.
First - the key to position 2 - which is directly before the ignition - well, when the brushes are working, then hold the button that you have already said (symmetrically to resetting the mileage), hold it for a long time, but not 2 minutes, it should work somewhere in 30 seconds. IMHO. And the language will change, if you hold it again - it will change again (in focus !!!) ©, and so on until there is US English or UK English ....
in the computer and in the car:
Pa trailing edge engine compartment, right below the windshield, almost in the middle,
slightly to the right. You can see a gap in the plastic lining, open the hood.
You press the check control (symmetrically with respect to resetting the odometer on the board
on the right), insert the key, turn on the ignition (without starting the engine), gyushli tests.
VIN gives only the last 7 characters (if the wine does not match, then your boomer is successfully
stolen from some Hans ©)
Message on-board computer(German-English,-Russian):
If the BC is not yet in English, then there is a translation from German:
Bad messages:
1. Bremsflussikeit - level brake fluid
approaching a minimum (top up)
2. Oeldruck Motor [ ENGINE OIL PRESS] - insufficient pressure oils in
engine. Appears if, after starting the engine, the oiler does not go out within 5
seconds (I omit cases with a breakdown of the pallet). The manual requires an immediate stop
engine, but if you try to start it immediately helps. Worth thinking about
the next oil filter bought "cheaper".
3. Kuhlwassertemp- overheating of the engine. The oven is full
stop the engine.
4. Hadbremse losen- take off the handbrake, STUPID!!!
5. Kein Bremslicht [NO BREAK LIGHT]- there is no stop signal. rare lamps
two are burning.
6. Bremsli. Elektrik- a fuse or circuit is covered
stop signal.
7. Speed limit [Speed limit]- you have exceeded the set speed.
Not so bad messages:
1. Getriebeprogramm [ХЗ]- the death of the automatic transmission (I can’t tell you more about the manual transmission)
2. Bremsbelage- the pads were worn out and the sensor worked. And then and
change another
3. Waschwasserstand [WASHER FLUID LOW]] - insufficient liquid level in
washer reservoir (end of magical fluids). Top up.
4. 1 Bremslicht- covered one brake light. We change paws.
5. Abblendlicht- covered the passing light. See pr.para.
6. Rucklicht- one of the rear lights does not light up.
7. Kennzeichenlicht- One or both license plate lights are off
8. Anhangerlicht [HZ]- something is not working in the trailer light signaling.
9. Oelstandmotor- the engine oil level is approaching
minimum. Top up.
10. Kuhlwasserstand- The coolant level is approaching a minimum.
11. Oeldruck Sensor- malfunction of the oil pressure sensor.
12. Sensor Oelstand- malfunction of the oil level sensor.
13. Check Control- analogue from the Microsoft lexicon: General
Protection Fauit. Immediately leave the vehicle by ejection. For
to launch a surface-to-air catapult, open the hatch and fart properly
to a preheated cigarette lighter.
14. Light an?- open the driver's door with the included dimensions.
Neutral Messages:
1. Standlicht- distant light
2. Nebellicht vorn- front fog lights.
3. Nebellicht hint- Rear foglights
4. Betriebsanleitung- read the manual for the car.
5. Koffenraum Offnen [TRUNKLID OPEN]- started moving with an open
trunk.
6. Tur Offen- Started moving from open door.
If + is on the board, then the bookmaker is complaining about more than one problem. You can read but turn by pressing Check Control. Notes: sometimes, according to BC, all the feet, dimensions and backlighting of the number are covered. It is treated by turning off the ignition and restarting the engine.
Press keys 1000 and 10 simultaneously. TEST appears on the display. Dial code 19 and press the S/R key. You will see the inscription LOOK:ON or LOOK:OFF, depending on whether hidden functions are blocked or not. If you have LOOK:OFF on, then you can proceed to the described fiction, if not, then you will have to unlock the BC.
To unlock, press the DATE- key and you will see the current date, for example 19.12 (day and month). Add them up, in our case 19 + 12 = 31.31 - and there is a code for unlocking hidden functions. Using function 19, by entering the code, you can lock / unlock hidden functions. All functions are called according to the algorithm described above by simultaneously pressing the keys 1000 and 10.
Hidden functions of the BMW on-board computer.
Feature List:
1. Display test - all indicators on the BC display should light up
2. Instant consumption in liters per 100 km
3. Instant consumption in liters per hour.
4. Average consumption in liters per 100km (used for BC to calculate distance)
5. Distance (this function is also available through the BC button)
6. Momentary fuel level (current position of the fuel level sensor)
7. Remaining fuel in the tank (average position of the fuel level sensor)
8. Speed km/h
9. Voltage in the on-board network (actually - the voltage coming to the BC)
10. Setting the BC language.
11.???
12. Average speed (used by BC to calculate arrival time)
13. Estimated time of arrival
14.Firmware date
15. Diagnostics
16. Diagnostics
17.Vehicle data
18.Switch of sound alarm modes
19.Locking additional functions.
20. Correction of fuel consumption for BC
21. Reset all errors, as well as BC
Fuel consumption correction procedure (Test 20): This function is provided to correct the values of the average consumption of BC. If
the BC data differ from the actual consumption data, then the correction procedure
as follows:
1. Fill the tank, drive it out and fill it again.
2. Get real consumption by dividing the amount of fuel filled by the mileage.
3. Calculate the new adjustment value as the product of the old value by
ratio of BC consumption to actual consumption.
No. Amplitude Purpose
1 7.5 A Wiper, instrument cluster.
2 7.5A Relay - (switch for low, high) light
3 7.5A Light signal
4 7.5A Left sidelight
5 10A Right sidelight
6 7.5A Warning flashing device (device), Alarms
7 15A Anti-fog headlight(front)
8 7.5A Fog lamp (rear)
9 15A Signal horn, air conditioning
10 7.5A Left low beam
11 7.5A Right dipped beam
12 15A Adjustment (installation) of mirrors, taillight
13 7.5A Left high beam
14 7.5A Right high beam
15 7.5A Stop light (brake light)
16 ZOA Heating (incandescent) during landing
17
18 15A Anti-theft devices
19 ZOA Compressor for heating, heating (supercharger)
20 7.5A Check (control)
21 15A Interior light, luggage compartment, glove box
22 ZOA Glass cleaner
23 7.5A Fuel pump
25 ZOA Fan additive (or brake release device)
26 ZOA Ignition
29 7.5A Air conditioner relay, brake release additives, anti-lock system, heating rear window.
30 7.5A Driver's central locking device
31 7.5A Central locking device for other doors and trunk.
33 7.5A Electronic regulation of glow (heating)
Fuses under rear seat
41 ZOA Sound insulation
42 ZOA Driver's seat adjustment
43 ZOA Passenger seat adjustment
44 45 ZOA Glass washer and cleaner
ZOA Level control
46 ZOA Incandescent heated rear window.
If you have such an on-board computer (hereinafter referred to as BC) and from a certain moment horizontal or vertical segments of the indicator began to disappear and in order to view the inscriptions, you need to choose the viewing angle, and in cold weather some improvement occurs. The reason for this is a factory defect! Typical for this type of BC released in the 90s. Next, I will tell you how to overcome this problem at home.
The nature of the defect in copper oxide!
The indicator is connected to the main board with a graphite cable, the contact tracks on the board are left unchanged by the manufacturer - ordinary copper! So it oxidized, most likely entered into a chemical reaction with the adhesive composition of the graphite plume.
For starters, how to remove the BC. This is done quite simply, pry the BC with your hand through the hole in the upper part of the shelf located under the BC.
Bend the upper part of the shelf from the BC with any thin object and at the same time push the lower part of the BC outward, then it can be easily removed entirely.
Then boldly disconnect the connector and carry the BC to your home!
Now that the BC is on your table, you need to disassemble it by bending a few case latches.
If you have a 12V power supply that delivers a current of about 0.5A, then you can connect a BC at home.
To do this, you need to apply + 12V to three pins, if you count the connector pins clockwise from the side of the printed circuit board, then these are pins 9,10,14, and connect the (-) power supply to pin 11. The first output is indicated on the board, it is on the top left!
On the indicator after power-up, four inscriptions will be displayed in turn: the panel is not connected; see instructions; temperature -37; enter the time.
Now to the point (it’s a pity, of course, that I can’t show all the photos, now I don’t want to open the entire BC and break contacts that are not very well fixed):
Peel off, or rather, even tear off the tire, it is only necessary from the side of the printed circuit board !!! So
as on the indicator, gold is deposited, but it does not oxidize.
The shank must be torn off the board very carefully so as not to damage its contact in place
sticking to the screen! The main thing is to do everything slowly!
To get to the tire, it is necessary to desolder the contacts on the backlight lamps by suction. Then unscrew the two screws that secure the backlight housing to the board!
When you get to the glass LCD, remember how the filter substrates lie!
The angle of separation of the loop must be chosen so that the graphite would come off the board and remain
a little on this trail.
After that, the printed circuit board must be cleaned at the point of contact
tires to a copper sheen! The shank itself was carefully cut with scissors, i.e.,
shorten it by about 3mm, so as to leave the remaining graphite contact undestroyed by tearing off, the length of the cable allows this to be done, there remains without glue, a clean, undamaged graphite layer about 1mm in length, this is just enough for excellent contact.
Then we put this tire on the contacts and fasten it with transparent tape so that the tire does not move to the sides. There is a silicone soft pressure tape on the case, it must be peeled off and re-glued to the edge of the indicator holder case so that it now presses the graphite contacts of the cable to the board!
On the case, in the places of centering the printed circuit board, there are small guide posts made of plastic, so they must be carefully removed and micro-screws will be installed instead of them, I pre-drilled the guide holes!
If the contacts are aligned exactly, and the silicone rubber presses them along the entire length, then when you turn on the power, you will enjoy a high-quality picture from any angle of view to the screen!
I have a repaired BC tested by operation and frost -40 in the North and in the Crimean heat, everything is just super!
If pressing with three screws is not enough, you can use double-sided tape and stick it in the central parts of the indicator clamp:
Good luck with the repair, BMW lovers!
An on-board computer in the top three is not a mandatory thing. On many machines it is not there and it is expensive to install it yourself. This toy is installed on some machines, and its functions and capabilities will be useful to someone. There is no such thing on the author’s troika, and I have never seen it in my eyes. Information taken from the Internet.
On-board computer functions
(km C miles F)- The button to the left of the LCD - switches between English and metric units. It is useful to switch miles / gallons / fahrenheit to kilometers / liters / degrees after switching to English (to the right of the LCD is a phototransistor for automatically adjusting the brightness of the board. Can not be pressed).Top row
- To enter, respectively, thousands, hundreds, tens and units of a particular parameter.- Set/Reset. An analogue of the Enter key on simpler computers, saves the entered data. When pressed in clock mode, the horn symbol lights up/off. It will beep about half a minute before the end of each hour (reminds you to turn off AC / DC and listen to the news on the subject “isn't it time to quit?”).
middle row
- Switches time to date and vice versa to display\\change.The prompt for entering the year appears after entering the date. 2000 works without issue. The data is saved after pressing s/r, while the seconds, although not displayed, are reset to 00.
- Fuel consumption 1 and fuel consumption 2. The countdown starts after pressing s/r. Shows the integral fuel consumption per 100 km. Two registers can be used to track consumption, for example, over the entire distance and any of its sections.
- How many km can you still drive on the remaining fuel. At a value of less than 15 km dashes appear (it's time to feed). If there is a “+” symbol next to km, there is more fuel in the tank than indicated in km or the tank is full.
- Average speed. The countdown starts after pressing s/r.
- Ambient air temperature. May not be relevant after parking with a warm engine (the sensor in the front bumper heats up). Updated as you go. At a temperature of +3C, when the ignition is switched on, a warning (beeping) is issued. It means that at +3С it is theoretically possible to form ice on flyovers, etc., i.e. call for caution.
bottom row
- Counts time 1 and time 2 (similar to consumption). First in minutes:seconds, then hours:minutes.The maximum value is 99 hours 59 minutes. It's just elapsed time and nothing else. It stops when the ignition is turned off and resumes when it is turned on. The countdown starts after pressing s/r.
In machines equipped with parking heater (park ventilation) sets the start and stop time of the heater, respectively.
- Estimated time of arrival. Works only with data entered in DIST.
- You can enter the distance to the intended destination. Just counting down km. At the same time, based on the traffic dynamics, the arrival time is extrapolated. The countdown starts after pressing s/r.
- Speed limit. If the current speed exceeds the set one by more than 5 km\\h, the BC flashes and the LED starts flashing. A message is displayed on the board. You can read about the failure of the car to pick up speed further from I.S. Krylov.
- Immobilizer. Key to radio position, enter a code of 4 (any) digits, press s / r, turn off the ignition. At the same time, tracking of the opening of the hood, rear seat and removal of the radio is activated. If one of the three is not in place, the LED flashes invitingly - you need to check whether everything is closed / inserted into place.
The next time you turn on the ignition, you must enter the code (preferably the same as it was at the beginning of any) and press s / r. Without this, the engine cannot be started, and after the 3rd start attempt, the alarm is activated.
If there is a display at the bottom of the board (there is no E34 on 520i and 525td / tds), then all information from the BC can be independently displayed on it. It is displayed by sequentially pressing the turn signal switch to the steering column (there is an arrow and letters - BC).
The display sequence can be programmed.
To do this, press the switch and hold it for 3 seconds. PROG will light up. 1. Press the buttons on the BC, the information from which is desired on the display. Ending on s/r, while the information passes cyclically and it is not necessary to display all of it.
Use the km/miles button to select between costs. Similarly for the two ZEIT and time/date values. If s / r is pressed immediately after the PROG 1 prompt, the display will sequentially display all data from the BC.
Switching the on-board computer to another language
First - the key to position 2 - which is directly before ignition - well, when the brushes are working, then hold the button that you have already said (symmetrically to resetting the mileage), hold it for a long time, but not 2 minutes, it should work somewhere in a second . 30. And the language will change, hold it again - it will change again, and so on until there is US English or UK English ...VIN in the computer and in the car
On the rear edge of the engine compartment, right below the windshield, almost in the middle, slightly to the right. Seen through a gap in the plastic lining, open the hood.You press the check control (symmetrically with respect to resetting the odometer on the board on the right), insert the key, turn on the ignition (without starting the engine), go to the tests. VIN gives only the last 7 characters.
Trip computer messages (German-English-Russian)
bad messages
Bremsflussigkeit - the brake fluid level is approaching a minimumOeldruck Motor - insufficient oil pressure in the engine. Appears if, after starting, the oiler does not go out for about 5 seconds (I omit cases of penetration of the sump). The manual requires an immediate stop of the engine, but if you try to start it right away, it helps. It is worth thinking about the following oil filter"cheaper"
Kuhlwassertemp - overheating. Furnace to full, shut off the engine.
Handbremse losen - take off the handbrake, fool!
Kein Bremslicht - no brake light. Rarely two lamps are lit.
Bremsli. Elektrik - the fuse or brake light circuits are covered.
Speed Limit - you have exceeded the set speed
Not so bad messages
Getriebeprogramm [ХЗ] - the death of the automatic transmission (I can’t go into more detail, I have a manual transmission)Bremsbelage - the pads were worn out and the sensor worked. And change both.
Waschwasserstand - insufficient fluid level in the washer reservoir (waste fluids are running out). Top up.
1 Bremslicht - one brake light is covered. We change the light bulb.
Abblendlicht - the dipped beam is covered. See previous paragraph.
Rucklicht - one of the rear dimensions is off. See previous paragraph.
Kennzeichenlicht - One or both license plate lights are off. See previous paragraph.
Anhangerlicht [ХЗ] - something does not work in the trailer light signaling.
Not very good messages
Oelstandmotor - The oil level in the engine is approaching a minimum. Top up.Kuhlwasserstand - the coolant level is approaching a minimum. Top up.
Oeldruck Sensor - Malfunction of the oil pressure sensor.
Sensor Oelstand - - malfunction of the oil level sensor.
Check Control is an analogue from the Microsoft lexicon: General Protection Fault. Immediately leave the vehicle by ejection. To start the ejection system, open the hatch and fart hard on the preheated cigarette lighter.
Light an? - open the driver's door with the included dimensions.
Neutral Post
Standlicht - high beamNebellicht vorn - front fog lights
Nebellicht hint. [ХЗ] - rear fog lights
Betriebsanleitung read the vehicle manual
Koffenraum Offnen started moving from open trunk
Tur Offnen - movement started with open door
If + is on the board, then the bookmaker is complaining about more than one problem. You can read it one by one by pressing Check Control. Note: sometimes, according to BC, all brake lights, dimensions and number plate lights are covered. It is treated by turning off the ignition and restarting the engine.
Press keys 1000 and 10 simultaneously. TEST appears on the display. Dial code 19 and press the SET/RES key. You will see LOCK:ON or LOCK:OFF, depending on whether hidden functions are locked or not. If you have LOCK:OFF on, then you can proceed to the description of the functions, if not, then you will have to unlock the BC.
To unlock, press the DATE key - you will see the current date, for example 19.12 (day and month). Add them up, in our case 19 + 12 = 31, 31 - and there is a code for unlocking hidden functions. Using function 19, by entering the code, you can lock / unlock hidden functions.
All hidden functions are called according to the algorithm described above by simultaneously pressing the keys 1000 and 10.
Hidden functions of the BMW on-board computer.
Feature List
- Display test - all indicators on the BC display should light up
- Instant consumption in liters per 100 km
- Instant consumption in liters per hour
- Average consumption in liters per 100 km (used for BC to calculate distance)
- Distance (this function is also available through the BC button)
- Instantaneous fuel level (current position of the fuel level sensor)
- Remaining fuel in the tank (average position of the fuel level sensor)
- Speed km/h
- Voltage in the on-board network (actually - voltage coming to the BC)
- Speedometer correction
- Language setting
- Average speed (used by BC to calculate arrival time)
- estimated time of arrival
- Firmware date
- Diagnostics
- Diagnostics
- Vehicle data
- Sound alarm mode switch
- Locking additional functions
- Fuel consumption correction for BC
- Reset all errors, as well as BC
Fuel consumption correction procedure (Test 20):
This function is provided to correct the values of the average consumption of BC. If the BC data differs from the actual consumption data, then the adjustment procedure is as follows:- Fill the tank full, drive it out and fill it again.
- Get the real consumption by dividing the amount of fuel filled by the mileage.
- Calculate the new adjustment value as the product of the old value and the ratio of BC consumption to actual consumption.