Eurovan V6-2800cc 2.8L (AES) (2000)
Wiring, checking
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Connect VAG 1598/18 Test Box to ECM wiring harness.
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Switch Fluke 83 multimeter to resistance range.
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Check wiring for short to Ground by connecting multimeter between Test Box sockets 01 + 40 using jumper wires from VW 1594 adapter kit.
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specification: infinity Ohms
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Switch multimeter to 20 Volt DC range.
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Switch ignition on.
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Check wiring for short to positive, record voltage value if necessary.
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Switch ignition on.
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Disconnect 8-pin Throttle Valve Control Module connector.
Continuation (If voltage present)
If approx. 5 Volts measured:
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Connect multimeter between Test Box sockets 40 + 41 using jumper wires from VW 1594 adapter kit and measure resistance.
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specification: infinity Ohms
If Voltage was approx. equal to battery voltage:
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Check wire for short to battery positive at 8-pin harness connector terminal 5 using wiring diagram.
Continuation (if no voltage present)
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Check wiring for open circuit between Test Box and 8-pin connector using wiring diagram.
terminal 5 + socket 40
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wire resistance: 1.5 Ohms maximum
If wiring OK:
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Replace Throttle Valve Control Module.