Workshop Repair Manuals

Volkswagen Workshop Manuals

[PREV PAGE] [NEXT PAGE]

volkswagen Workshop Repair Guides


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

Sensors and Switches > 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 967

Page 23
background image

‹› The HO2S Oxygen Sensor Bank 1 Sensor 2 (G130) and HO2S Oxygen Sensor Bank 2 Sensor 2 (G131) fuse OK.

‹› Battery voltage at least 12.5 volts.

‹› All electrical consumers such as, lights and rear window defroster, switched off.

‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".

‹› A/C switched off.

‹› Ground (GND) connections between engine/transmission/chassis OK.

‹› Ignition switched off.

Test procedure

-

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

-

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

-

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

Start diagnosis

Checking internal resistance

-

Disconnect the HO2S Oxygen Sensor Bank 2 Sensor 2 (G131) electrical harness connector - 3 -.

-

Using a multimeter, check the Oxygen Sensor Heater Bank 2 Sensor 2 (Z30) terminals 1 to 2 for resistance.

Sensors and Switches > 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 967

[PREV PAGE] [NEXT PAGE]