TT Coupe L4-1.8L Turbo (AWP) (2005)
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Select the diagnosis function "08 - Read data block" from the menu -1-.
Display on VAS 5051:
1
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Enter display group
(figures up to 255)
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Using the keypad -2-, enter "062" to select Display group 062 and confirm entry with Q button.
Display on VAS 5051:
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Check display values for electronic throttle potentiometer voltages in display zones -3- and -4-.
NOTE: The engine control module converts the voltage readings from the angle sensors into percentages of 5 V and displays them as
percentages. (A supply voltage of 5 V is equivalent to 100%.)
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Observe display zones 3 and 4.
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Slowly depress accelerator to full throttle position.
The percentage value in display zone 3 should rise steadily between 12 and 97 % but without covering the full range of values.
The percentage value in display zone 4 should also rise steadily but without covering the full range of values (in this case 4 to 49 %).
NOTE: The value shown in display zone 3 should always be about twice as high as the value shown in display zone 4.
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Press the <- button to exit from the function "08 - Read data block".
If the display values do not appear as described:
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Test voltage supply and wiring to accelerator position senders
Testing voltage supply to accelerator position senders
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Remove storage compartment on driver's side.