Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Wiring Test". See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test
Box, Connecting For Wiring Test
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Check wires between test box and 4-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohms
Vehicles with engine code AHA
Vehicles with engine code ATQ
Continuation for all vehicles
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Also check wires for short circuit to B+ or Ground (GND).
Specified value: Infinity Ohms
If no malfunctions are found in wires:
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Replace Motronic Engine Control Module (ECM) -J220-.
With Manufacturer's Scan Tool
Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC), checking
Special tools and equipment
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V.A.G 1551 Scan Tool (or VAG 1552 mobile scan tool) with VAG 1551/3 cable
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VAG 1598/31 test box
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VAG 1526 multimeter or VAG 1715 multimeter
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VAG 1594 connector test kit
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Wiring diagram
Test requirements