Component Location, Overview

Component Location Overview of (Vehicles With Engine Code ATW, AUG, AWM)







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

The following components are displayed in the Component location overview:
1. Air filter housing
- Disassembling and assembling
2. Heated Oxygen Sensor (HO2S) -G39- bank 1*, 50 Nm
3. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- bank 1*, 50 Nm
4. Engine Coolant Temperature (ECT) Sensor -G62-*
5. Recirculating valve for turbocharger -N249-*
6. Secondary Air Injection (AIR) Solenoid Valve -N112-*
7. Throttle Valve Control Module -J338-*
- Tighten to 10 Nm
- When replacing, adapt Engine Control Module (ECM)
8. Throttle Position (TP) Sensor -G79- and Sender -2- for accelerator pedal position -G185-*
- In driver-side footwell
9. 4-pin harness connector
Vehicles with engine code ATW:
- Black for Heated Oxygen Sensor (HO2S) -G39- and oxygen sensor heater
Vehicles with engine code AUG, AWM:
- Brown for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater
10. Harness connector
Vehicles with engine code ATW:
- 4-pin harness connector, brown for Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and oxygen sensor heater
Vehicles with engine code AUG, AWM:
- 6-pin harness connector, black for Heated Oxygen Sensor (HO2S) -G39- and oxygen sensor heater
11. 3-pin harness connector
- Gray for Engine Speed (RPM) Sensor -G28-
12. 3-pin harness connector
- Green for Knock Sensor (KS) 1 -G61-
13. 3-pin harness connector
- Blue for Knock Sensor (KS) 2 -G66-
14. Secondary Air Injection (AIR) Pump Relay -J299-*
- Installation location, see Fig 1.
15. Engine Control Module (ECM)*
(Motronic Engine Control Module (ECM) -J220-)
- Checking voltage supply
16. Intake Air Temperature (IAT) Sensor -G42-*
- Tighten to 10 Nm
17. Engine Speed (RPM) Sensor -G28-*
- Inductive sensor
- Tighten to 10 Nm
18. Charge Air Pressure Sensor -G31-*
19. Knock Sensor (KS) 2 -G66-*
20. Knock Sensor (KS) 1 -G61-*
21. Fuel pressure regulator
22. Camshaft Position (CMP) Sensor 2 -G163-*
23. Fuel injectors (Cylinder 1 Fuel Injector -N30- through Cylinder 4 Fuel Injector -N33-)*
24. Ignition coil with power output stage (Ignition Coil 1 with Power Output Stage -N70-, Ignition Coil 2 with Power Output Stage -N127-, Ignition Coil 3 with Power Output Stage -N291-, Ignition Coil 4 with Power Output Stage -N292-)
25. Wastegate Bypass Regulator Valve -N75-*
- Charge pressure system
26. Ground connection
- On the engine bracket, right
27. Mass Air Flow (MAF) Sensor -G70-*
28. Secondary Air Injection (AIR) Pump Motor -V101-*
29. Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-*

Fig. 1 Secondary Air Injection (AIR) Pump Relay -J299-* (-1-) with fuse -2- in protective housing (engine compartment, left)







NOTE:
- Remove battery Ground (GND) strap if tools are necessary for removal of relays or control modules from the relay carrier.
- Obtain radio code for radios with anti-theft coding before disconnecting battery.
- Check activation of the Secondary Air Injection (AIR) Pump Relay.