Golf III L4-1984cc 2.0L SOHC (1993)
Throttle Position Sensor: Testing and Inspection
With VAG
CHECKING THROTTLE POSITION (TP) SENSOR
REQUIREMENTS
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Test using VAG 1551 Scan Tool (ST) with ignition on and engine not running.
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VAG 1551 Scan Tool connected with "Read Measuring Value Block" function selected (display group number 3).
PROCEDURE
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Indicated on display (1-4 = display fields)
Reading measuring value block 3
-->
1 2 3 4
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Open throttle slowly and read angle display in display field 3. Numerical value must increase uniformly over entire range.
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Press --> button.
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Press -0- and -6- to select the "End Output" function.
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Press -Q- to confirm input.
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If numerical value does not rise uniformly, perform electrical testing. Refer to Diagnostic Charts / VAG 1598 Pin Out Box / Electrical Checks /
Test Step 20. See: Computers and Control Systems/Testing and Inspection
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If necessary replace Throttle Position (TP) Sensor (G69).