TT Coupe L4-1.8L Turbo (AWP) (2005)
Electronic Throttle Control Module: Component Tests and General Diagnostics
Throttle Valve, Checking For Soiling
Throttle Valve, Checking For Soiling
Requirements
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An original equipment air filter must be installed and it must be OK.
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Intake air guide OK.
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Fuel pressure OK.
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Tank ventilation OK.
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Fuel injectors OK.
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Coolant temperature > 80 degrees C.
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Oxygen sensor adaptation values and control OK.
Checking oxygen sensor adaptation values and control
Work sequence
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Connect VAS5051 tester, See: Testing and Inspection/Scan Tool Testing and Procedures/Vehicle Diagnostic, Testing and Information System
VAS 5051, Connecting and Selecting Functions and select vehicle system "01 - Engine electronics". Engine must run at idle during this.
Display on VAS5051:
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In selection -1-, click on the diagnostic function "04 - Basic Setting".
Display on VAS5051:
1
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Enter display group
Max. input value = 255
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Select function "032" in button field -2- for "display group number 032" and press Q button to confirm input.