TT Roadster L4-2.0L Turbo (BPY) (2008)
Specified value: 1.5 ohms max.
If the specification is not obtained:
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Check the wiring for an open circuit, a short circuit to each other, Battery (+), and Ground (GND).
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If necessary, repair the faulty wiring connection.
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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 Throttle Valve Control Module (J338).
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Erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: 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: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes.
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End diagnosis.
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was not OK:
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Replace the Engine Control Module (ECM) (J623 ). Refer to => [ replacing ] See: Engine Control Module/Testing and Inspection/Engine Control
Module (ECM) (J623).
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Assembly is performed in the reverse of the removal.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes.
End of diagnosis