Programming and Relearning

2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)SECTION Programming and Relearning



MFI, adaptation


NOTE:
- Only an adjustment range of 85% - 115% is possible.
- Adjustment values are input in 5% steps.


Prerequisites
- Speedometer and Odometer displays OK
- DTC memory of Engine Control Module (ECM) and instrument cluster checked and "No DTC recognized" appears in display.

Indicated on display (select function):


Rapid data transfer HELP
Select function XX



- Press buttons -1- and -0- to select function 10, "Adaptation".

Indicated on display:


Rapid data transfer Q
10 - Adaptation



- Press -Q- button to confirm input.

Indicated on display:


Adaptation
Enter channel number XX



- Press buttons -0- and -3- to select channel 03.

Indicated on display:

Adaptation Q
Enter channel number 03



- Press -Q- button to confirm input.

Indicated on display:


Channel 3 Adaptation 100 ->
<-13->



- Forward with -> button.

Indicated on display


Channel 3 Adaptation 100
Input adaptation value XXXXX



NOTE: Adaptation is only possible with direct input.


- Enter applicable correction value using VAG 1551/1552 button pad. Fill first positions with "0".

Example:
Value required: 90 %
button pad entry: 00090

Indicated on display:


Channel 3 Adaptation 100 Q
Enter Adaptation value 00090



- Press -Q- button to confirm input.

Indicated on display:

Channel 3 Adaptation 90 Q
<-13->



- Press -Q- button to confirm input.

Indicated on display:


Channel 3 Adaptation 90 Q
Store changed value?



- Press -Q- button to confirm input.

Indicated on display:


Channel 3 Adaptation 90 ->
Changed value is stored



- Press - button to complete adaptation sequence.

Indicated on display (select function):


Rapid data transfer HELP
Select function XX



- End output (function 06).


NOTE: A wrong entry switches scan tool to "Function" mode.


Will be indicated on display:


Function is unknown or ->
cannot be carried out at the moment



- Press- button.
- Select function "10 - adaptation" and adaptation channel 03 again.
- Carry out corrections to consumption indicator as described above and be sure to press -Q- button to confirm all inputs.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.