Eurovan V6-2800cc 2.8L (AES) (2000)
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Connect multimeter between terminals 3 + 4 using jumper wires from VW 1594 adapter kit.
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Start engine and measure basic voltage.
specification: 0.40 to 0.50 Volts
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Switch ignition off.
If specification not obtained:
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Check Oxygen sensor wiring.
If specification obtained:
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Replace Oxygen sensor (before cat) -G39-.
Oxygen Sensor Wiring, Checking
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Connect VAG 1598/18 Test Box to ECM harness connector.
