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.
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HOMESERVICE MANUALSVOLKSWAGEN2003GOLF (1J1) L4-1.8L TURBO (AWW)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESBASIC SETTING (FUNCTION 04)
2003 Volkswagen Golf (1J1) L4-1.8L Turbo (AWW)
Basic Setting (Function 04)
2003 Volkswagen Golf (1J1) L4-1.8L Turbo (AWW)SECTION Basic Setting (Function 04)
Basic Setting (Function 04)
NOTE: If the display flashes after switching ignition on, even though no Diagnostic Trouble Codes (DTC) are in DTC memory, perform function 07 Code Control Module followed by function 04 Basic setting.
- Connect VAG 1551 Scan Tool (ST), enter address word 08 "AC/Heating electronics" and press -> until "Select function XX" appears in display. Initiating and Checking Control Module Versions
- Switch printer on by pressing PRINT button (warning lamp in button lights up).
- Check DTC memory and correct all malfunctions shown.
- Erase DTC memory.
- Check code and correct if necessary. Climatronic Control Module -J255- Coding (Function 07)
Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -4- to select function 04 Basic setting.
Indicated on display:
Rapid data transfer Q
04- Basic setting
- Press -Q- button to confirm entry.
Indicated on display:
Basic setting HELP
Enter display group number XXX
- Enter display group number 000
Indicated on display:
Basic setting Q
Enter display group number 000
- Press -Q- button to confirm entry.
NOTE: The Climatronic control module -J255- stores all flap motor position sensor (potentiometer) values when moving to their final positions and therefore takes on the basic setting of all flap motors.
Indicated on display:
System in basic setting 0
XXX XXX XXX XXX
NOTE: The movement of the four flap motors can be followed on the display. The changes in the feedback values do not give an indication of a malfunctioning motor.
Indicated on display:
Basic setting 0 ->
0 0 0 0
The basic setting is completed when the display reads "0 DTCs recognized" in the DTC memory.
- Press -> button.
Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -2- to select function 02 Check DTC memory.
Indicated on display:
Rapid data transfer Q
02 - Check DTC memory
- Press -Q- button to confirm entry.
The number of stored DTCs or "No DTC recognized" appears in the display.
X DTCs recognized!
- Press -> button.
The stored DTCs are displayed one after the other and printed out by pressing the Print button.
- When the last DTC has been displayed and printed out, repair DTCs using DTC table. Air Conditioning System
- Press -> button.
Indicated in display (function selection, e.g. 02 - Check DTC memory):
Rapid data transfer HELP
Select function XX
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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.