Golf GL L4-2.0L (AZG) (2001)
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Switch off ignition.
If the specification is not obtained:
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Remove the shelf on driver's side:
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Pull the connector off brake light/brake pedal switch.
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Connect the multimeter to measure resistance between contacts 1 and 4.
Specification: Infinity Ohms (no continuity)
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Depress brake pedal.
Specification: approx. 0 Ohms
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Connect the multimeter to measure resistance between contacts 2 and 3.
Specification: approx. 0 Ohms
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Depress the brake pedal.
Specification: Infinity Ohms (no continuity)
If the specifications are not attained:
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Replace the brake light/brake pedal switch.
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Check DTC memory, if necessary, repair any faults and then erase DTC memory, checking and erasing DTC memory. Refer to "Displaying,
Reading and Erasing Trouble Codes/With Manufacturers Scan Tool/Clearing Trouble Codes" See: Powertrain Management/Computers and
Control Systems/Testing and Inspection
If the specifications are obtained:
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Connect multimeter to measure voltage between contact 1 and Ground.
Specification: at least 11.5 V
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Switch ignition on.
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Connect the multimeter to measure voltage between contact 2 and Ground.
Specification: at least 11.5 V
If the specifications are not obtained: