Golf GTI V6-2792cc 2.8L DOHC (AAA) SFI (1998)
Vehicle Speed Sensor: Testing and Inspection
Special tools, testers and auxiliary items:
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VAG 1551/1552 scan tool with VAG 1551/3 adapter cable.
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Multimeter (Fluke 83 or equivalent).
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Connector test kit VW 1594.
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Wiring diagram.
Test conditions:
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Speedometer OK.
NOTE:
To check the vehicle speed sensor signal, vehicle must be test driven. To do this a second technician is necessary.
Test sequence:
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Engine running at idle.
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Connect VAG 1551/1552 scan tool and select "Engine Electronics" address word 01. See: Powertrain Management/Computers and Control
Systems/Testing and Inspection
Indicated on display
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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
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Press buttons -0-, -0- and -5- to input display group 005 and press -Q- button to confirm input.
Indicated on display (1-4 = Display fields)
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Perform test drive and observe display in display field 3 (second technician necessary).
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Switch ignition off.
Continuation:
If no speed is indicated: