TT Coupe L4-1.8L Turbo (AWP) (2005)
Transmission Speed Sensor: Testing and Inspection
Transmission Input Speed Sensor, Checking
Transmission Input Speed Sensor, Checking
Recommended Special Tools, Workshop Equipment, Testers, Measuring Instruments and Auxiliary Items
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V.A.G 1526 portable multimeter or V.A.G 1715 multimeter
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Adapter set V. A. G 1594
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Wiring diagram
Test Conditions
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Respective fuses must be OK
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Battery voltage must be at least 11.5 V.
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All electrical consumers such as, for example, lights and rear window defroster must be switched off.
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The parking brake must be applied, otherwise the daytime running lights are switched on.
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The Ground (GND) connections to transmission must be OK.
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Selector lever must be in "P" position.
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Ignition switched off.
Test Sequence
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Disconnect 8-pin connector - B -.
Observe safety precautions.
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Check harness connector for contact corrosion and ingress of water.
If harness connector is not OK:
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Repair the problem.
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Erase DTC memory of TCM. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode
04 - Erase DTC Memory
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes/Generate Readiness Code
If harness connector is OK:
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Check wiring to TCM according to wiring diagram.
Check Wires to TCM
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Connect test box to control module wiring harness => Test Box, Connecting for Wiring Test, connect test box for wiring test.
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Check wires between test box and 8-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
Terminal 3 + Socket 51
Terminal 4 + Socket 39