A3 L4-2.0L Turbo (BPY) (2006)
![background image](/audi/a3/l4-2.0l_turbo_(bpy)/Page-971002.png)
Specified value: Infinity
If the specified value was not obtained:
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Replace the Brake Light Switch F / Brake Pedal Switch F63.
If the specified value was obtained:
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Using a Multimeter , check the Brake Pedal Switch F63 terminals 1 to 4 for resistance.
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Depress the brake pedal.
Specified value: approx. 0 Ohm
If the specified value was obtained:
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Check the voltage supply of the Brake Light Switch F / Brake Pedal Switch F63.
If the specified value was not obtained:
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Replace the Brake Light Switch F / Brake Pedal Switch F63.
Checking voltage supply
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Switch the ignition on.
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Using a Multimeter , check the Brake Pedal Switch F63 electrical harness connector terminal 1 to Ground (GND).
Specified value: battery voltage.
If the specified value was not obtained:
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Using a Multimeter , check the Brake Pedal Switch F63 electrical harness connector terminal 2 to Ground (GND).
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring.
If the specified value was obtained:
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Replace the Brake Light Switch F / Brake Pedal Switch F63.
Checking wiring