Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLKSWAGEN2003PASSAT SEDAN (3B3) L4-1.8L TURBO (AWM)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPROGRAMMING AND RELEARNING
2003 Volkswagen Passat Sedan (3B3) L4-1.8L Turbo (AWM)
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
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.