Passat Syncro Wagon V6-2.8L (ATQ) (2000)
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Connect multimeter between terminal 1 and 4 for resistance measurement.
Expected value: infinity Ohms (no flow of electricity)
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Press brake pedal.
Specification: approx. 0 Ohms
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Connect multimeter between terminals 2 and 3 to make resistance measurement.
Specification: approx. 0 Ohms
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Press brake pedal.
Expected value: infinity Ohms (no flow of electricity)
If specified values are not obtained:
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Replace brake light switch 1 brake pedal switch.
If specified values are obtained:
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Connect multimeter between terminal 1 and Ground (GND) to make voltage measurement.
Specification: at least 11.5 V
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Switch ignition on.
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Connect multimeter between terminal 2 and Ground (GND) to make voltage measurement.
Specification: at least 11.5 V
If specified values are not obtained:
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Check wire between 4-pin connector terminal 1 and main fuse (2) and central electronics according to wiring diagram.
If the specified value is met: