Passat Sedan V6-3.6L (BLV) (2008)
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Assembly is performed in the reverse of the removal.
Final procedures
After repair work, the following work steps must be performed in the mentioned 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
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.
HO2S Front Oxygen Sensor Bank 2 Sensor 1, Checking
Diagnostic Procedures
HO2S Front Oxygen Sensor Bank 2 Sensor 1, Checking
The following procedure is used to diagnose both HO2S Oxygen Sensor Bank 1 Sensor 1 (G39) and HO2S Oxygen Sensor Bank 2 Sensor 1 (G108)
‹› Use only gold-plated terminals when servicing terminals in the electrical harness connectors of the HO2S Oxygen Sensor Bank 1 Sensor 1 (G39)
and HO2S Oxygen Sensor Bank 2 Sensor 1 (G108).
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Oxygen Sensor Heater Bank 2 Sensor 1 (Z28) fuse OK.
‹› The Oxygen Sensor Heater Bank 2 Sensor 1 (Z28) before catalytic converter OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› A/C switched off.
‹› Ground connections between engine/transmission/chassis OK.