TT Quattro Coupe L4-1.8L Turbo (AWP) (2001)
Accelerator Pedal Position Sensor: Testing and Inspection
Accelerator Pedal Position Sensors, Checking
Accelerator Position Sensors, Testing
Special tools and equipment
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VAG 1526 A
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VAG 1594 A
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VAG 1598/31
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VAS 5051 with VAS 5051/1
Accelerator position sensors -G79- and -G185- are located on the accelerator pedal. Both senders inform the engine control module of the driver's
throttle requirement (pedal position), but each functions completely independently of the other (redundancy principle). Both sensors are located in a
single housing.
Test sequence
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Connect the vehicle diagnostic, testing and information system VAS 5051 ,and select the vehicle system "01 - Engine electronics" from the menu.
When doing this the ignition should be switched on. See: Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With
Manufacturer's Scan Tool/Scan Tool Connecting and Initial Checks/Connecting VAS 5051/VAG1551 Scan Tool