Passat Syncro Wagon V6-2.8L (ATQ) (2000)
If specified value is not obtained:
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Switch ignition off.
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Test oxygen sensor wires.
Checking Wires of Heated Oxygen Sensor (HO2S) 2 Bank 1
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Connect VAG 1598/31 test box to control module wiring harness. Engine Control Module (ECM) is not connected.
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Check for breaks in wires between test box and 4-way connector going to Motronic control module (see wiring diagram).
Terminal 3 + socket 68
Terminal 4 + socket 69
Wire resistance: max. 1.5 Ohms
Checking Wires of Heated Oxygen Sensor (HO2S) 2 Bank 2