New Beetle L5-2.5L (BPR) (2007)
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Checking voltage supply
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Start the engine.
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Using a multimeter, check the Heated Oxygen Sensor (HO2S) (G465) electrical harness connector terminal 1 to engine ground for voltage.
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Turn the ignition switch OFF
Specified value: Battery voltage.
If the specified value was Not obtained:
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Check the wiring for an open, high resistance or short to Ground and replace any open fuse.
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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 the specified value was obtained:
Checking Ground activation
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.
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Remove the Motronic Engine Control Module (ECM) ( J220). Refer to the Repair Information.
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Using a multimeter, check the Heated Oxygen Sensor (HO2S) (G465) electrical harness connector terminal to the Motronic Engine Control
Module (ECM) (J220) electrical harness connector T121 for an open circuit.
Specified value: 1.5 ohms max.
If the specified value was Not obtained:
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Check the wiring for an open or high resistance.
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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 the voltage supply was OK:
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Replace the Motronic Engine Control Module (ECM) (J220). Refer to the Repair Information.
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Install the right side vehicle O2S connector cover.
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: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09.
2. If necessary, 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.
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Computers and Control Systems/Testing and
