Jetta V6-2.8L (AFP) (1999)
Vehicle Speed Sensor: Testing and Inspection
With Manufacturer's Scan Tool
Vehicle Speed Signal, Checking
Special tools and equipment
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VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable
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VAG1598/31 test box
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Multimeter (Fluke 83 or equivalent)
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VW1594 adapter set
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Wiring diagram
Check conditions
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Fuses 5, 10 and 29 OK
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Battery voltage at least 11.5 V
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Speedometer OK
Test sequence
NOTE: To check the speed signal the vehicle must be driven. To do this a second person is necessary.
WARNING!
Secure scan tool to rear seat and operate from this position.
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Connect VAG1551 (VAG1552) Scan Tool (ST).
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Switch ignition on and press buttons -0- and -1- to insert "Engine Electronics" address word 01.
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 and press -Q- button to confirm input.
Indicated on display
Read Measuring Value Block
Input display group number XXX
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Press buttons -0-, -0- and -5- to input display group number 5 (005) and press -Q- button to confirm input.
Indicated on display: (1-4 = display fields)
Read Measuring Value Block 5
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