Passat Wagon L4-1.9L DSL Turbo (AHU) (1997)
Throttle Position Sensor: Adjustments
Special Tools, Testers And Auxiliary Items
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VAG 1551/1552 Scan Tool with VAG 1551/3 adaptor cable
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Box wrench e.g. Hazel 4561
Adjusting:
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Connect VAG 1551/1552 Scan Tool
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Switch ON ignition
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Press 0 and 1 buttons to select address word 01 "engine electronics"
Display will appear as shown:
Rapid data transfer HELP
select function XX
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Press 0 and 8 buttons in select function 08 "Read measuring value block"
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Press 0 button to enter input
Display will appear as shown:
Read measuring value block HELP
Input display group number XX
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Press 0 and 2 buttons to select display group 02
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Press Q button to enter input
Display will appear as shown:
Read measuring value block 2 ->
0 rpm 0.0% 0 1 0 18.4°C
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Check Throttle Position in display zone 2 (accelerator pedal must not be depressed)
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Specification: 0.0%
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Fully (slowly) depress accelerator pedal while observing display zone 2
Display will appear as shown:
Read measuring value block 2 ->
0 rpm 100% 0 1 0 18.4°C
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Throttle Position value must increase continuously and then display 100% just before the Wide Open Throttle stop
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If necessary, adjust Throttle Position as follows