Jetta SportWagen L4-2.0L DSL Turbo (CBEA) (2009)
Accelerator Pedal Position Sensor: Testing and Inspection
Diagnostic Procedures
Throttle Position Sensor/Accelerator Pedal Position Sensor 2, Checking
Observe all safety precautions: --> [ Safety Precautions ]
View clean working conditions: --> [ Clean Working Conditions ]
Perform a preliminary check to verify the condition: --> [ Preliminary Check ] See: Computers and Control Systems/Testing and Inspection/Scan Tool
Testing and Procedures/Preliminary Check.
Special tools, testers and auxiliary items required
‹› multimeter.
‹› Wiring diagram
Test requirement
‹› The Motronic Engine Control Module (ECM) (J623) fuses OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground connections between engine/transmission/chassis OK.
‹› Use only gold-plated terminals when servicing the electrical harness connector terminals in Throttle Position (TP) Sensor (G79)/Accelerator Pedal
Position Sensor 2 (G185).
Start diagnosis
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Disconnect the Throttle Position Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185) 6 pin electrical harness connector.
Checking voltage supply and wiring
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Switch the ignition ON.
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Using a multimeter, check the following wiring connections for voltage.
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Switch the ignition OFF.
If the specified value was Not obtained:
Checking wiring
If the manufacturers test box is being used, perform the following step.
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Install the test box.
If the manufacturers test box is not being used, perform the following step.