Jetta GLX Wagon V6-2.8L (AFP) (2001)
Tool/Test Box, Connecting For Wiring Test
Vehicles with engine code AFP
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Check wire between test box socket 44 + 2-pin connector terminal 2 for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
Vehicles with engine code BDF
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Check wire between test box socket 44 + 2-pin connector terminal 2 for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
Continuation for all vehicles
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Also check the wire for short circuit to B+ and Ground (GND).
Specified value: Infinity Ohms
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Check wire between 2-pin connector terminal 1 and the Fuel Pump (FP) Relay -J17- for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
If no malfunctions are found in wires:
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Replace Motronic Engine Control Module (ECM) -J220-.