New Beetle GL L4-2.0L (AZG) (2002)
Checking idling 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
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Check the operating mode in display zone 4
Specification: 0x000
(Significance Refer to "Scan Tool Testing/Measuring Value Blocks/Evaluating Measured Value Blocks/Display Groups 30 to 49, 107 (Oxygen
Sensor Control)") See: Computers and Control Systems/Testing and Inspection
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Check specified idling speed in display zone 2.
Specification:
Manual transmission 780 RPM
Automatic transmission 790 to 890 RPM
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Check idling speed in display zone 1.
Specification: 730 to 890 RPM
NOTE: During idling check the EVAP canister purge regulator valve and the air conditioner are switched off and the oxygen sensor control learning
procedure is initiated.
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Press -> button.
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Press buttons 0 and 6 for "End data transfer" function and confirm input with Q button.
If the idle speed is not obtained:
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Adapt ECM to throttle valve control module.
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Carry out test drive.
Observe the valid safety precautions when carrying out a road test.
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Again check control module DTC memory.
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Repeat idle check.
If the specifications are not obtained again:
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Check throttle valve control module. See: Computers and Control Systems/Electronic Throttle Control Module/Testing and Inspection
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Check operating condition of engine. Refer to "Measuring Value Blocks/Engine Operating Mode, Check" See: Computers and Control
Systems/Testing and Inspection
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Check intake air system for unmetered air. See: Testing and Inspection