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Volkswagen Eos (1F7) V6-3.2L (BUB) (2008)05 · Powertrain Management
05 · Diagnostics

Oxygen Sensor (Functions, Checking): Testing and Inspection (page 7 of 18)

Make
Volkswagen
Model
Eos (1F7)
Engine
V6-3.2L (BUB)
Year
2008
Section
Sensors and Switches - Computers and Control Systems › Oxygen Sensor › Testing and Inspection
Powertrain ManagementFunctions, Checking · page 7 of 18
Oxygen Sensor (Functions, Checking): Testing and Inspection (page 7 of 18) – Volkswagen Eos (1F7) V6-3.2L (BUB) (2008)

electrical harness connector T121 terminals for an open circuit.

Specified value: 1.5 ohms Max.

If the specification was not obtained:

-

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, lose or broken terminals.

-

If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring:

-

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 [ (BPY)  (BUB) ]/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 Description ] See: Computers and Control Systems/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 OK:

-

Replace the Engine Control Module (ECM) (J623 ). Refer to => [ Engine Control Module J623, Replacing ] See: Computers and Control
Systems/Engine Control Module/Service and Repair/Engine Control Module J623, Replacing.

-

Assembly is performed in the reverse of the removal.

Final procedures

After repair work, the following work steps must be performed in the following sequence:

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Parts & tools for this job For 2008 Volkswagen Eos 3.2L

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