TT L4-1.8L Turbo (BEA) (2004)
volts supply voltage represents 100%).
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Observe display field 3 and 4.
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Slowly depress accelerator pedal completely.
Percent indication in display field 3 must rise uniformly. The tolerance range 12 to 97% is not used completely during this.
Percent indication in display field 4 must also rise uniformly. In the process, the tolerance range of 4 to 49% is not completely utilized.
NOTE: The indicated value in display field 3 must always be about twice as large as value in display field 4.
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Exit function "08 - Read measured value block" by pressing <- button.
If indications do not resemble description:
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Check voltage supply and wire connections of sensor for accelerator pedal position.
Checking voltage supply of Throttle Position (TP) sensor
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Remove driver-side storage compartment.
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Disconnect harness connector for accelerator pedal position sensor.
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Switch ignition on.
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Connect multimeter for voltage measurement as follows:
Harness connector
Specified value
Terminal
1 + Ground (GND)
about 5 V
1 + 5
about 5 V
2 + Ground (GND)
about 5 V
2 + 3
about 5 V
If specified values are obtained:
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Also check signal wires.
If specified values are not obtained:
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Check wire connections from Engine Control Module (ECM) to sensors for accelerator pedal position.
Checking wire connections
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Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Electrical Testing Using VAG1598/31 Test Box