Jetta GLS L4-1.9L DSL Turbo (ALH) (2001)
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Check for open circuit in wires between test box and connector according to wiring diagram.
Terminal 7 + socket 111
Terminal 4 + socket 103
Wire resistance: max. 1.5 Ohm
Continuation for all vehicles
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Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinite Ohm
If no malfunctions are detected in wires:
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Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- See: Computers and Control Systems/Engine Control
Module/Service and Repair
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes