New Beetle L4-2.0L (AVH) (2005)
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Ground (GND) connections between engine and chassis must be OK.
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Throttle valve must not be damaged or dirty.
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Coolant temperature must be at least 80 degrees C. Diagnostic mode 1: Check measured values; PID 5, Coolant temperature. See: Testing and
Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 1: Check Measured Values
Function test
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Connect diagnostic tester. See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Diagnostic Tester,
Connecting
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Switch ignition on.
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Under address word 33, select "Diagnostic mode 1: Check measured values."
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Select measuring value "PID 17: Throttle valve position (absolute)."
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Check specified value of throttle valve position (absolute) at idle stop:
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Slowly depress accelerator pedal to Wide Open Throttle (WOT) stop while observing percentage display.
The percentage display must increase uniformly.
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Check specified value of throttle valve position (absolute) at Wide Open Throttle (WOT) stop:
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End diagnosis and switch ignition off.
If specified values are not obtained:
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Disconnect 6-pin connector (arrow) at throttle valve control module.
Checking resistance