Jetta V6-2.8L (BDF) (2002)
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading
Diagnostic Trouble Codes.
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Then:
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Connect scan tool.
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Continue running engine at idle.
Indicated on display:
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -4- for function "Initiate basic setting" and confirm entry with -Q- button.
Indicated on display:
Basic setting
Input display group number XXX
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Press buttons -0-, -0- and -1- for "Display group number 1" and confirm entry with -Q- button.
Indicated on display: (1 to 4 = display zones)
System in basic setting 1
->
1
2
3
4
NOTE: In the function "System in basic setting" the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- is closed and the air
conditioner compressor turned off.
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Check adjustment conditions for basic settings in display zone 4:
Specification: 11111111
Significance of figures in 8 digit number block.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Manufacturer's Scan
Tool/Scan Tool Connecting and Initial Checks/Connecting VAG 5051 Scan Tool
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Briefly increase engine speed (rev-up) and then allow engine to run at idle for 2 minutes.
Checking idle speed
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Change to display group 56 as follows:
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Press -C- button.
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Press buttons -0-, -5- and -6- for "Display group number 56" and confirm entry with -Q- button.
Indicated on display: (1 to 4 = display zones)
System in basic setting 56
->
1
2
3
4
-
Check operating conditions in display zone 4:
Specification: xx000
Significance of figures in 5 digit number block.
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Manufacturer's Scan
Tool/Read Measuring Value Blocks (Function 08)/Evaluating Measured Value Blocks
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Check specified idle speed in display zone 2.
Specification: 700 rpm
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Check actual idle speed in display zone 1.
Specification: 640 to 720 rpm
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Press the -> button.
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Press buttons 0 and 6 for function "End output" and confirm entry with the Q button.
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Switch off ignition.
If the idle speed is not obtained:
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Erase learned values and adapt Motronic Engine Control Module (ECM) -J220- again.
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Carry out road test.
Observe the valid safety precautions when carrying out a road test. Refer to "Fuel Delivery and Air Induction/Service Precautions".