Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005)
Observe safety precautions.
Continue for all vehicles
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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 malfunction and repeat test sequence.
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Erase DTC memory of Transmission Control Module (TCM), Diagnostic mode 4: Reset/erase diagnostic data. See: Powertrain
Management/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: Powertrain Management/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 Transmission Control Module (TCM) wiring harness, connect test box for wiring test. See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test
Box, Connecting For Wiring Test
Vehicles with 01M transmission
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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 1 + socket 63
Terminal 2 + socket 40
Terminal 3 + socket 1
Terminal 5 + socket 18
Terminal 6 + socket 62
Terminal 7 + socket 23
Wire resistance: max. 1.5 Ohm
Vehicles with 09A transmission