Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Brake Signal: Testing and Inspection
Signal From Brake Light Switch and Brake Pedal Switch, Checking
Special tools and equipment
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V.A.G 1551 Scan Tool (or VAG 1552 mobile scan tool) with VAG 1551/3 cable
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VAG 1598/31 test box
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VAG 1526 multimeter or VAG 1715 multimeter
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VAG 1594 connector test kit
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Wiring diagram
Test sequence
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Connect V.A.G 1551 scan tool (VAG 1552). Switch ignition on and select the Engine Control Module (ECM) using address word 01. Refer to
Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting V.A.G 1551 Scan Tool See: Testing and Inspection/Reading and Clearing
Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan Tool/Connecting VAG 1551 Scan Tool
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons -0- and -8- to select "Read measuring value block" function 08. Press - Q- button to confirm input.
Indicated on display
Read Measuring Value Block
HELP
Input display group number XXX
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Press buttons -0-, -6- and -6- to select "Display group number 66". Press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block 66
->
1
2
3
4
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Observe reading in display field 2. (3rd and 4th position from left)
Specification: x x 0 0
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Press brake pedal and observe reading in display field 2.
Specification: x x 11
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06. Press -Q- button to confirm input.
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Switch ignition off.
If specified value is not obtained:
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Remove driver-side storage compartment:
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Disconnect harness connector at brake light switch and brake pedal switch.