Jetta V6-2.8L (BDF) (2002)
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Check wires between test box and 6-pin connector (to control module) for open circuit according to wiring diagram.
Terminal 1 + socket 70
Terminal 2 + socket 71
Terminal 5 + socket 51
Terminal 6 + socket 52
Wire resistance: max: 1.5 Ohm
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Also check wires for short circuit to B+ and Ground (GND).
Specified value: infinite Ohm
If no malfunctions are found in wires:
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Replace Heated Oxygen Sensor (HO2S) -G39- bank 1 before catalytic converter:
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Vehicles with engine code AFP, item 7,
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Vehicles with engine code BDF, item 11.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
See: 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: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes