Golf GL L4-2.0L (AEG) (2001)
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Idle Speed: Testing and Inspection
Idle Speed, Adaptation
Idle Speed, Adaptation
In exceptional circumstances (e.g. customer complaints concerning droning noises and vibrations at idle speeds) it is OK to adjust the idle speed
slightly.
Special tools and equipment
VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable
Test requirements
-
No DTCs stored in DTC memory. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
-
Engine coolant temperature at least 85°C See display group 004, display field 3.
Test sequence
-
Connect VAG1551 (VAG1552) Scan Tool (ST). See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading
and Clearing Diagnostic Trouble Codes/Scan Tool Connecting
-
Switch ignition on and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (when doing this engine must be running at idle).
Indicated on display
Rapid data transfer
HELP
Select function XX
-
Press buttons -1- and -1- to select "Login-Procedure" function 11 and press -Q- button to confirm input.
Indicated on display
Login procedure
Input code number XXXXX
-
Press buttons -0-, -1-, -2-, -8- and -3- to select Login code 01283 and press -Q- button to confirm input.
Indicated on display
Data transfer fault
-
Switch ignition off and repeat procedure.
Indicated on display
Rapid data transfer
HELP
function XX
-
Press buttons -1- and -0- to select "Adaptation" function 10 and press -Q- button to confirm input.
Indicated on display
Adaptation
Insert channel number XX
-
Press buttons -0- and -1- for channel number 1 and press -Q- button to confirm input.
Indicated on display
Channel 1
Adaptation xxx ->
xxx RPM
xxx RPM
text
text
-
Change specified speed in display field 2 in jumps of 10 RPM using following buttons:
-
VAG1551: buttons 1 and 3
-
VAG1552: buttons uparrow and downarrow
