Variable Valve Timing Actuator: Locations
Fuel injection servicing
Component location overview
1. Green 4-pin harness connector for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-, bank 1 and oxygen sensor heater -Z29-, cylinder bank 1
2. Brown 4-pin harness connector for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131-, bank 2 and heater for oxygen sensor -Z30-, cylinder bank 2
3. Black 4-pin harness connector for Heated Oxygen Sensor (HO2S) -G39-, bank 1 before Three Way Catalytic Converter (TWC) and oxygen sensor heater -Z19-, cylinder bank 1
4. Brown 3-way connector for Knock Sensor (KS) 1 -G61-, cylinder bank 1
5. Engine Coolant Temperature (ECT) sensor -G62-
6. Secondary Air Injection (AIR) solenoid valve -N112-
Secondary Air Injection system:
7. Intake Air Temperature (IAT) sensor -G42-
8. Intake manifold change-over valve -N156-
9. Throttle Valve Control Module -J338-
10. Black 4-pin harness connector for Heated Oxygen Sensor (HO2S) 2 -G108-, bank 2 before catalytic converter and oxygen sensor heater -Z28-, cylinder bank 2
11. Brown 3-way connector for Knock Sensor (KS) 2 -G66-, cylinder bank 2
12. Grey 3-way connector for Engine Speed (RPM) sensor -G28-
13. Engine Control Module (ECM) (control module for Motronic -J220-)
Installation location: in protective housing, radiator tank on left
14. Fuel pressure regulator
15. Camshaft Position (CMP) sensor 2 -G163- (Engine bank 2)
16. Heated Oxygen Sensor (HO2S) 2 -G108-, bank 2 before catalytic converter, 50 Nm
17. Engine Speed (RPM) sensor -G28-
18. Knock Sensor (KS) 2 -G66- (Engine bank 2)
19. Valve -2- for camshaft adjustment -N208- (Engine bank 2)
20. Ignition coils (-N-, -N128-, -N158-) With power output stage -N122-
21. Knock Sensor (KS) 1 -G61- (Engine bank 1)
22. Fuel injector (-N30-, -N33-, -N83-, -N84-)
23. Camshaft Position (CMP) sensor -G40- (Engine bank 1)
24. Ground connection on engine bracket, right side
25. Heated Oxygen Sensor (HO2S) -G39-, bank 1 before catalytic converter, 50 Nm
26. Valve -1- for camshaft adjustment -N205- (Engine bank 1)
27. Secondary Air Injection pump motor (V101)
Secondary Air Injection system:
28. Mass Air Flow (MAF) sensor -G70-
29. Evaporative Emission (EVAP) canister purge regulator valve -N80-