TT Roadster L4-2.0L Turbo (BPY) (2008)
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Install the test box. Refer to 2.0 Liter 4-Cyl. 4V Turbo Fuel Injection & Ignition, Engine Code(s): BWA. Repair Group 24.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Engine Control Module (ECM) (J623). Refer to => [ replacing ] See: Computers and Control Systems/Engine Control
Module/Testing and Inspection/Engine Control Module (ECM) (J623).
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Using a Multimeter, check the Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185) electrical harness connector
terminals to the Engine Control Module (ECM) (J623) electrical connector T94 for resistance.
Specified value: 1.5 ohms max.
If the specification is not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring and if the voltage supply was OK:
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Replace the Throttle Position (TP) Sensor (G79 )/Accelerator Pedal Position Sensor 2 (G185). See: Computers and Control Systems/Electronic
Throttle Actuator/Service and Repair
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Erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 04 - Erase DTC Memory.
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Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. Refer to => [ Readiness Code ] See: Computers and Control Systems/Testing and Inspection/Monitors,
Trips, Drive Cycles and Readiness Codes.
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End diagnosis.