New Beetle L4-2.0L (AZG) (2003)
Vehicle Speed Sensor: Testing and Inspection
With Manufacturer's Scan Tool
Speed Signal, Checking
Special tools and equipment
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Scan tool VAG 1551 or vehicle system tester V.A.G 1552 with cable VAG 1551/3B
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Test box V.A.G 1598/31
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Hand multimeter V.A.G 1526 or multimeter VAG 1715
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Adapter set V.A.G 1594
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Wiring diagram
Check conditions
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All Fuses must be OK
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The battery voltage must be at least 11.5 V
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Speedometer must be OK.
Test sequence
NOTE: To check the speed signal the vehicle must be driven. To do this a second person is necessary.
WARNING!
During a road test in an airbag-equipped vehicle, test equipment must always be fastened to and operated from the rear seat by a second
technician.
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Connect scan tool VAG 1551 (V.A.G 1552). Start engine and select "Address word" 01 of engine control module. Engine must be running at idle
speed.
Connecting scan tool and selecting Engine Control Module (ECM). Refer to "Scan Tool Testing/Scan Tool Connecting and Initial
Checks/VAG1551 Scan Tool" See: Powertrain Management/Computers and Control Systems/Testing and Inspection
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press buttons 0 and 8 for 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, 0 and 5 for "Display group number 5" and confirm entry with Q button.
Indicated on display (1-4 = Display zones)