A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
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Exit function "08 - Read measured value block" by pressing square button.
If the display is not as described:
Check switch
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Remove driver's storage compartment:
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Disconnect connector from Brake Light Switch -F- / Brake Pedal Switch -F47- -2-.
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Connect multimeter between terminals 1 and 4 to measure resistance.
Specified value: Infinite Ohms (no continuity)
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Press brake pedal.
Specified value: approx. 0 Ohm
Connect multimeter between terminals 2 and 3 to measure resistance.
Specified value: approx. 0 Ohm
