Passat Syncro Wagon V6-2.8L (ATQ) (2000)
Continuation for all vehicles
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Also check wires for short circuit to B+ or Ground (GND).
Specified value: Infinity Ohms
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Check wire between 4-pin connector terminal 1 and 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-.
With Manufacturer's Scan Tool
Oxygen Sensor Heater For Heated Oxygen Sensors (HO2S) After Catalytic Converter, Checking
When servicing terminals in harness connector of Heated Oxygen Sensor (HO2S), use only gold-plated terminals.
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
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Fuse no.34 must be OK.
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Battery voltage must be at least 11.5 volts.
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Fuel Pump (FP) relay must be working properly.
Test sequence
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Connect V.A.G 1551 scan tool (VAG 1552). Start engine and select the Engine Control Module (ECM) using address word 01. Refer to Scan
Tool Testing/Scan Tool Connecting and Initial Checks/Connecting V.A.G 1551 Scan Tool See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Manufacturer's Scan
Tool/Connecting VAG 1551 Scan Tool
Indicated on display
Rapid data transfer
HELP
Select function XX