Touareg V6-3.2L (BMX) (2005)
If specified values are not obtained:
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Test oxygen sensor wires according to wiring diagram.
Checking oxygen sensor wires
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Connect test box to control module wiring harness , connect test box for wiring test.
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Disconnect 4-pin harness connector to the respective oxygen sensor:
‹› Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130), bank 1, 4-pin harness connector 2-,
‹› Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131), bank 2, 4-pin harness connector - 3 -.
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Check wires between test box and 4-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms
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Check wires for short circuit to B+ or Ground (GND).
Specified value: infinite ohms