Passat L4-1.8L Turbo (AWM) (2004)
Transmission Speed Sensor: Testing and Inspection
Sender For Transmission Output RPM, Checking
Sender For Transmission Output RPM, Checking
Recommended special tools and equipment
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V.A.G 1526 multimeter or V.A.G 1715 multimeter
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V.A.G 1594 connector test kit
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Wiring diagram
Test requirements
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Respective fuses must be OK:
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Battery voltage must be at least 11.5 volts.
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All electrical consumers such as, for example, lights and rear window defroster must be switched off.
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Parking brake must be engaged.
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Selector lever must be in -P- position.
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Ground (GND) connections to transmission must be OK.
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Ignition switched off.
Test sequence
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Disconnect 16-pin harness connector -2-.
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 malfunction.
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Erase DTC memory of Transmission Control Module (TCM). Diagnostic mode 4: Reset/erase diagnostic data. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If harness connector is OK:
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Check wires to Transmission Control Module (TCM) according to wiring diagram.
Checking wires to Transmission Control Module (TCM)
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Connect test box to control module wiring harness. connect test box for wiring test.
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Check wires between test box and 16-pin connector to Transmission Control Module (TCM) for open circuit according to wiring diagram.
Terminal 1 + socket 42
Terminal 10 + socket 14
Wire resistance: max. 1.5 ohms
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Also check wires for short circuit to each other.
Specified value: Infinite ohms
If no malfunctions are found in wires:
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Replace Sender for transmission output RPM -G195- or Transmission Vehicle Speed Sensor (VSS) -G38-
NOTE: Due to the different hydraulic controls (E17 and E18/2), the allocation of the valve body must be performed according to Parts Catalog
via the transmission code.