Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
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9. Black 4-pin harness connector for Heated Oxygen Sensor (HO2S) 1 before Three Way Catalytic Converter (TWC) -G39- and oxygen sensor
heater
10. Brown 4-pin harness connector for Heated Oxygen Sensor (HO2S) 2 behind Three Way Catalytic Converter (TWC) -G130- and oxygen sensor
heater
11. Grey 3-pin harness connector for Engine Speed (RPM) sensor -G28-
12. Green 3-pin harness connector for Knock Sensor (KS) 1 -G61-
13. Blue 3-pin harness connector for Knock Sensor (KS) 2 -G66-
14. Secondary Air Injection (AIR) pump relay -J299-*/**
15. Engine Control Module (ECM)* (control module for Motronic - J220-)
Checking voltage supply
Procedure to follow after open circuit in voltage supply
16. Intake Air Temperature (IAT) sensor
Tighten to 10 Nm
17. Engine speed sensor -G28-*
Inductive sensor
Tighten to 10 Nm
18. Charge air pressure sensor -G31-*
19. Knock Sensor (KS) 2 -G66-* item no. 8
20. Knock Sensor (KS) 1 -G61-* item no. 7
21. Fuel pressure regulator
22. Camshaft Position (CMP) sensor -G163-* item no. 11
23. Fuel injectors (-N30- through -N33-)*
24. Ignition coil with power output stage (-N70-, -N127-, -N291-, -N292-) item no. 2
25. Wastegate bypass regulator valve -N75-
Boost pressure system:
26. Ground connection on the engine bracket, right side
27. Mass Air Flow (MAF) sensor -G70-*
28. Secondary Air Injection (AIR) pump motor -V101-*
