Touareg 2 V6-3.6L (BHK) (2008)
Specified value: 1.5 ohms max.
If the specification was not obtained:
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Check the wiring for a short circuit to each other, Battery (+), Ground (GND) or an Open circuit.
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
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Erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/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 ] See: 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:
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Replace the Motronic Engine Control Module (ECM) (J623).
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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 following sequence:
1. Check the DTC memory. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to --> [ Readiness Code ] See: Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes.
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End of diagnosis.
Oxygen Sensor O2S 1 Behind Three Way Catalytic Converter Heater, Checking
Oxygen Sensor O2S 1 Behind Three Way Catalytic Converter Heater, Checking
The following procedure is used to diagnose Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC)) Heater (Z29) for Oxygen
Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130).
‹› When servicing terminals in harness connector of Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) use only gold-plated
terminals.
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements