Operation CHARM: Car repair manuals for everyone.

Computers and Control Systems: Locations



Overview Of Component Locations







The following components are not displayed in the installation overview:
- Malfunction Indicator Lamp (MIL) -K83-
- Electronic Power Control (EPC) Warning Lamp -K132-
- Leak Detection Pump (LDP) -V144-
- Under wheel housing liner in rear left wheel housing
- Throttle Position (TP) Sensor -G79-
- Clutch Pedal Switch -F36-
- Secondary Air Injection (AIR) Pump Relay -J299-
- Secondary Air Injection (AIR) Pump Motor -V101-

The following components are displayed in the component location overview:

NOTE:
- Cylinder bank 1 is located in direction of travel, right.
- Cylinder bank 2 is located in direction of travel, left.

1. 4-pin harness connector
- green
- for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) -729-, cylinder bank 1
2. 4-pin harness connector
- brown
- for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) -G131- and Oxygen Sensor (O2S) Heater 2 (behind Three Way Catalytic Converter (TWC)) -Z30-, cylinder bank 2
3. 4-pin harness connector
- black
- for Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19-, cylinder bank 1
4. 3-pin harness connector
- Vehicles with engine code AHA: blue
- Vehicles with engine code ATQ: brown
- for Knock Sensor (KS) 1 -G61-, cylinder bank 1
5. Engine Coolant Temperature (ECT) Sensor -G62-
6. Secondary Air Injection (AIR) Solenoid Valve -N112-
7. Intake Air Temperature (IAT) Sensor -G42-
8. Intake Manifold Change-Over Valve -N156-
9. Throttle Valve Control Module -J338-
- Heated by coolant
10. 4-pin harness connector
- black
- for Heated Oxygen Sensor (HO2S) 2 -G108- and Oxygen Sensor (O2S) Heater 2 -220-, cylinder bank 2
11. 3-pin harness connector
- Vehicles with engine code AHA: blue
- Vehicles with engine code ATQ: brown
- for Knock Sensor (KS) 2 -G66-, cylinder bank 2
12. 3-pin harness connector
- gray
- for Engine Speed (RPM) Sensor -G28-
13. Engine Control Module (ECM)
(Motronic Engine Control Module (ECM) -J220-)
- Component location: in protective housing, plenum chamber, left
14. Fuel pressure regulator
15. Camshaft Position (CMP) Sensor 2 -G163-
- Cylinder bank 2
16. Heated Oxygen Sensor (HO2S) 2 -6108-, 50 Nm
17. Engine Speed (RPM) Sensor -G28-
18. Knock Sensor (KS) 2 -G66-
- Cylinder bank 2
19. Valve 2 for camshaft adjustment -N208-
- Cylinder bank 2
20. Ignition Coil-N152-
- with power output stage
21. Knock Sensor (KS) 1 -G61-
- Cylinder bank 1
22. Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-, Cylinder 5 Fuel Injector -N83-, Cylinder 6 Fuel Injector -N84-
23. Camshaft Position (CMP) Sensor -G40-
- Cylinder bank 1
24. Ground (GND) connection
- on the engine bracket, right
25. Heated Oxygen Sensor (HO2S) -G39-, 50 Nm
26. Valve 1 for camshaft adjustment -N205-
- Cylinder bank 1
27. Secondary Air Injection (AIR) Pump Motor -V101-
28. Mass Air Flow (MAP) Sensor -G70-
29. Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
- at air filter
- Installation position: Arrow points in direction of flow