Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002)
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Connect VAG1598/31 test box to control module wiring harness. Engine control module remains disconnected.
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Connect multimeter to measure voltage between test box sockets 3 (terminal 15) + 54 (speed signal).
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Switch ignition on.
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Lift vehicle at front left.
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Rotate front wheel and observe voltage display.
Specification: between 0 and at least 4 Volt fluctuating
If the display does not fluctuate:
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Check wiring to speedometer/speedometer sender.
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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. Refer to
"Displaying and Reading Trouble Codes/With Manufacture Scan Tool/Check DTC Memory (Function 02)" See: Testing and Inspection
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Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again: Refer to "Monitors, Trips and/or Drive Cycle/ Reading Readiness Code" See: Testing and Inspection
Engine code AWW, Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" See: Testing and Inspection
Engine code AWP, Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" See: Testing and Inspection
