Jetta L4-1.9L DSL Turbo (BRM) (2006)
Throttle Position Sensor: Testing and Inspection
Throttle Position Sensor and Accelerator Pedal Position Sensor 2, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram
Test requirement
‹› The Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) (J248) 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 (GND) connections between engine/transmission/chassis OK.
‹› Use only gold-plated terminals when servicing the electrical harness connector terminals in Throttle Position Sensor G79 and Accelerator Pedal
Position Sensor 2 G185.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to --> [ General Diagnosis ] See: Testing and Inspection/Scan Tool Testing
and Procedures/General Diagnosis.
Start diagnosis
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Remove the engine cover.
Checking internal resistance
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Disconnect the Throttle Position Sensor G79 and Accelerator Pedal Position Sensor 2 G185 electrical harness connector.
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Using a multimeter, check the Throttle Position Sensor G79 and Accelerator Pedal Position Sensor 2 G185 terminals 1 to 3 for resistance.
Specified value: 1000 to 1500 ohms
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Depress the accelerator pedal.
Specified value: 1000 to 2500 ohms
