Diagnostic procedures for a VAG diagnostics
Database for coding vehicle control units Volkswagen - VAG
Software versions
VIN - Code validator
Engines / Diesel / 2.0/125kW TDI-PD BMN; BMR; BUY; BUZ / Test - jerking at full engine load
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Mark 
Model
Control unit
Diagnostic operation
Diagnostic procedure
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Note:
- jerking at full engine load
- vehicle does not reach maximum speed
- change in engine sound at an rpm of about XXXX rpm
Conditions:
- engine temperature > XX °C
- second mechanic necessary
- observe the occupation safety rules when taking a test drive with connected diagnostics tester
Start the engine - engine speed = idling
connect with the control unit XX - engine
XX - Coding II enter value XXXXX
Start
from XXXX rpm, accelerate in Xrd gear to about XXXX rpm
XX - Measured values group XXX, XXX
required values group XXX
field X = XX%
required values group XXX
field X = XXXX - XXXX rpm
Stop vehicle
switch-off the ignition
wait XX s
Start the engine - engine speed = idling
connect with the control unit XX - engine
XX - Coding II enter value XXXXX
Start
from XXXX rpm, accelerate in Xrd gear to about XXXX rpm
continue driving at full load
XX - Measured values group XXX, XXX
required values group XXX
field X = XX%
required values group XXX
field X > XXX - XXX °C (values must rise smoothly, it is recommended to use a graphics display for this function)
if values are not achieved - check component:
- temperature sensor GXXX (temperature upstream of component: turbo blower)
- jerking at full engine load
- vehicle does not reach maximum speed
- change in engine sound at an rpm of about XXXX rpm
Conditions:
- engine temperature > XX °C
- second mechanic necessary
- observe the occupation safety rules when taking a test drive with connected diagnostics tester
Start the engine - engine speed = idling
connect with the control unit XX - engine
XX - Coding II enter value XXXXX
Start
from XXXX rpm, accelerate in Xrd gear to about XXXX rpm
XX - Measured values group XXX, XXX
required values group XXX
field X = XX%
required values group XXX
field X = XXXX - XXXX rpm
Stop vehicle
switch-off the ignition
wait XX s
Start the engine - engine speed = idling
connect with the control unit XX - engine
XX - Coding II enter value XXXXX
Start
from XXXX rpm, accelerate in Xrd gear to about XXXX rpm
continue driving at full load
XX - Measured values group XXX, XXX
required values group XXX
field X = XX%
required values group XXX
field X > XXX - XXX °C (values must rise smoothly, it is recommended to use a graphics display for this function)
if values are not achieved - check component:
- temperature sensor GXXX (temperature upstream of component: turbo blower)
You are not logged! System works in DEMO mode only now where numbers are replaced with X characters. For 49 EUR only You will get access into full system. You can pay by credit card or bank transfer. Click BUY button for purchase and You will get login to diagnostic procedures database imediatelly.