S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Braking Sensor/Switch: Testing and Inspection
Brake Light Switch -F And Brake Pedal Switch -F47, Checking
-
Connect vehicle diagnostic, testing and information system VAS 5051 or VAG1551 scan tool and select engine electronics control module by
entering address word "01". Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks" under "Powertrain Management/Computers
and Control Systems/Testing and Inspection", See: Powertrain Management/Computers and Control Systems/Testing and Inspection
When doing this the ignition must be switched on.
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- to select function "Read Measuring Value Block" and confirm entry with -Q- button.
Indicated on display
Read Measuring Value Block
Input display group number XXX
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Press buttons -0-, -6- and -6- to select "display group number 066" and confirm entry with -Q- button.
Indicated on display
Read Measuring Value Block 66
->
1
2
3
4
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Observe brake light/brake pedal switch in display field 2.
Display Group 66
If display does not appear as described:
Check switch
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Remove storage compartment on driver's side.
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Disconnect harness connector on brake light/brake pedal switch.
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Connect hand-held multimeter for resistance measurement between terminals 1 and 2.
NOTE: The connector slots are marked on the back side of the connector.
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Specified value: infinity Ohms (no continuity)
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Depress brake pedal.