Jetta Sedan L4-1.9L DSL Turbo (BEW) (2005)
Wire resistance: max. 1.5 Ohms
Vehicles with 121-pin control module
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Check for open circuits in wires between test box and connector according to wiring diagram.
Terminal 2 + socket 62
Wire resistance: max. 1.5 Ohms
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Check the wire to terminal 1 according to wiring diagram.
Vehicles with 154-pin control module
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Connect adapter cable (V.A.G 1598/39-1) to test box (V.A.G 1598/42).
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Check for open circuits in wires between test box and connector according to wiring diagram.
Terminal 2 + socket 29
Wire resistance: max. 1.5 Ohms
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Check the wire to terminal 1 according to wiring diagram.
Continue for all vehicles
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Check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinite Ohms
If no malfunctions are found in wires:
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Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-.
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes