volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 2423 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 2421
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‹› Ignition switched off.

Test procedure

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Perform a preliminary check to verify the customers complaint. Refer to --> [ Engine Control Module, Replacing ] .

Function test

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Perform the function test in Diagnostic Mode 06 --> [ Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions ] See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 06 - Read Test Results
For Specific Diagnostic Functions. 

If the specified values are not obtained:

Start diagnosis

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Remove the right vehicle floor cover - arrows -. 

Engine code BGP

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Disconnect the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector -  arrow -.

Engine code BGQ

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Disconnect the Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) electrical harness connector -  3 -.

Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 2423 > < Heated Oxygen Sensor (HO2S) G39 and Oxygen Sensor Control Before Catalytic Converter, Checking|Page 2421