E39 series BMW 5

since 1996-2001 of release

Repair and car operation

+ Introduction
+ Maintenance instruction
+ Current leaving and service
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ electric equipment Schemes
- System of onboard diagnostics
   Data on diagnostic devices
   Description of system of onboard diagnostics
   Method of reading of blinking codes by a lamp “Check the engine” (It is possible on some models)
   Diagnostics codes

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Method of reading of blinking codes by a lamp «Check the engine» (It is possible on some models)


1. Include ignition.
2. Five times within five seconds completely squeeze out and release an accelerator pedal.
3. If in memory of the processor codes of taking place malfunctions are brought, they will start to be highlighted consistently by a control lamp “Check the engine” on a control panel of the car.
4. Consider a blinking code.
5. The lamp lights up on 5 seconds, in 0.5 seconds again lights up on 2.5 seconds, and through an interval of 2.5 seconds the code stands out. Value of each category of a code corresponds to number of flashes with an interval of 0.5 seconds.
At first the senior categories of a code, the last – units stand out. Intervals between code categories - 2.5 seconds. After code delivery a lamp it is necessary to burn.

It is necessary to mean that codes (on different models) can be both decimal, and 16-richny. In the second case the number of flashes designating the category of a code can accept value from 1 to 16. Categories of a 16-richny code are designated one after another so: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F. For example, the code 7F is reflected by 7 short flashes and, after a break 15 short flashes.

Repeat procedure to consider the subsequent codes.

Engine start automatically interrupts access to diagnostics system.

Cleaning of memory of OBD

When entering a code of malfunction in memory of RSM on an instrument guard of the car the control lamp “Lights up check the engine”. The code remains written down in memory of the module.

For cleaning of memory of ESM connect to system the scanner and choose in its menu the CLEARING COEDS function (Removal of codes). Further follow the instructions highlighted on the device, or at once for 30 seconds take from the nest in the assembly block EFI safety lock.

Alternatively cleaning of memory of system can be made by a way of removal of a fusible insert (the main safety lock of system of onboard power supply), the battery established near the positive plug (it is possible to disconnect also simply from the battery a positive wire).

It is necessary to mean that when cleaning memory of OBD by a detachment of a negative wire from the battery, adjusting parameters of the engine are erased and stability of its turns for short time after primary start is broken.

If the stereosystem established on the car is equipped with a security code before disconnecting the battery, make sure that have the correct combination for audiosystem input in action!

Battery shutdown also leads to removal of settings of the receiver on favourite radio stations. Attention: In order to avoid ESM damage its shutdown and connection should be made only at the switched-off ignition!

Track, that memory of system was cleared before installation on the engine of new components of systems of decrease in toxicity of the fulfilled gases. If before system start after replacement of the failed information sensor not to make cleaning of memory of refusals, RSM will bring in it a new code of malfunction. Cleaning of memory allows the processor to make change-over on new parameters. Thus, the first 50 ÷ 20 minutes after primary start of the engine, some violation of stability of its turns can take place.