Passat Wagon L4-2.0L (ABA) (1995)
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Disconnect 3-pin harness connector from sensor -1-
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Switch ignition on.
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Check voltage between connector terminals 1 and 3.
Specification: Min. 9 volts
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Switch ignition off.
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Reconnect harness connector.
If no voltage was present:
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Check wiring according to wiring diagram.
If voltage was min. 9 volts:
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Connect VAG 1598/18 test box to ECM wiring harness.
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Check wire for open circuit between single connector (behind central electrics) and test box socket 65, according to wiring diagram.
Wire resistance: Max. 1.5 Ohms
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Connect multimeter to measure voltage at test box sockets 56 and 65.
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Switch ignition on.
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Raise and rotate left front wheel, or push vehicle.
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Voltage must fluctuate between 0 volts and at least 4 volts
If no wiring malfunction is detected and voltage was present between terminals 1 and 3:
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Replace speedometer vehicle speed sensor G22.