Workshop Repair Manuals

Volkswagen Workshop Manuals

[PREV PAGE] [NEXT PAGE]

volkswagen Workshop Repair Guides


Passat Sedan V6-3.6L (BLV) (2008)

Powertrain Management > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Testing and Inspection > HO2S Front Oxygen Sensor Bank 1 Sensor 1, Checking > Page 2755

Page 5
background image

‹› Exhaust system between catalytic converter and cylinder head properly sealed.

‹› Coolant Temperature at least 80° C.

Test procedure

-

Observe safety precautions. Refer to => [ Safety Precautions ] See: Computers and Control Systems/Service Precautions/Safety Precautions

-

Observe Clean Working Conditions. Refer to => [ Clean Working Conditions ] See: Computers and Control Systems/Service Precautions/Clean
Working Conditions

-

Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.

Function test

-

Perform the function test in Diagnostic Mode 06. Refer to => [ Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions ] See:
Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09.

-

Switch the ignition off.

If the specified values were not obtained:

Start Diagnosis

-

Disconnect the HO2S Oxygen Sensor Bank 2 Sensor 1 (G108) - 4 - electrical harness connector. 

Checking primary voltage

-

Using a multimeter, check the HO2S Oxygen Sensor Bank 2 Sensor 1 (G108) electrical harness connector terminals 1 to 5 for voltage.

Powertrain Management > Sensors and Switches - Powertrain Management > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Testing and Inspection > HO2S Front Oxygen Sensor Bank 1 Sensor 1, Checking > Page 2755

[PREV PAGE] [NEXT PAGE]