Fuel Delivery and Air Induction: Locations

Component Locations, Overview


NOTE: Component location without illustration:
---- Leak Detection Pump (LDP) -V144-
- Behind rear left wheelhousing liner







1 - Evaporative Emission (EVAP) canister purge regulator valve -N80-
2 - Heated Oxygen Sensor (HO2S) -G39- before catalytic converter, 55 Nm
- Continuous oxygen sensor
3 - Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130-, 55Nm
4 - Combination - valve for secondary air injection (AIR)
5 - Engine - Coolant Temperature (ECT) sensor -G62-
6 - Fuel pressure regulator
7 - Engine Speed (RPM) sensor -G28-
8 - Secondary Air Injection (AIR) solenoid -N112-
- See Fig.4
- Green harness connector
9 - Bracket for harness connectors
- See Fig.1
- Accessible with coolant expansion tank unbolted and swung to the side.
10 - Instrument cluster
11 - Throttle - Position (TP) sensor -G79- and sender 2 for accelerator position -G185-
- See Fig.5
12 - Brake light switch -F- and brake pedal switch -F47-
- See Fig.3
13 - E-box, plenum chamber
- See Fig.6
- Installation location for motronic Engine Control Module (ECM) -J220- with integrated Barometric pressure (BARO) sensor -F96-
- Installation location of Secondary Air Injection (AIR) pump relay -J299-
- Check Secondary Air Injection (AIR) pump relay - J299
- Installation location of motronic Engine Control Module (ECM) power supply relay -J271-
- Installation location of fuse S130 for Secondary Air Injection (AIR) pump
14 - Clutch vacuum vent valve switch -F36-
- See Fig.3
15 - Charge air pressure sensor -G31-
- See Fig.7
16 - Throttle valve control module -J338-
- With throttle drive (power accelerator actuation) -G186-, angle sensor -1- for throttle drive (power accelerator actuation) -G187-, and angle sensor -2- for throttle drive (power accelerator actuation) -G188-
17 - Intake Air Temperature (IAT) sensor -G42-
18 - Recirculating - valve for turbocharger -N249-
- See Fig.4
- Blue harness connector
19 - Knock Sensor (KS) 1 -G61-
20 - Knock Sensor (KS) 2 -G66-
21 - Camshaft Position (CMP) sensor 2 -G40-
22 - Fuel injectors -N30- through -N33-
23 - Ignition coils -N-, -N128-, -N158-, -N163-
24 - Wastegate bypass regulator valve -N75-
25 - Mass Air Flow (MAF) sensor -G70-
26 - Secondary Air Injection (AIR) pump motor -V101-

Fig. 1 Installation location, harness connectors







The following harness connectors are located below the coolant expansion tank:
1 - 4-pin harness connector, brown for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29- (bank 1 sensor 2)
2 - 6-pin harness connector, black for Heated Oxygen Sensor (HO2S) -G39- before catalytic converter and Oxygen Sensor (O2S) Heater -Z19- (bank 1 sensor 1)
3 - 3-pin harness connector, gray for Engine Speed (RPM) sensor -G28-
4 - 3-pin harness connector, blue for Knock Sensor (KS) 2 -G66-
5 - 3-pin harness connector, green for Knock Sensor (KS) 1 -G61-

Fig. 2 Component locations Fuel Pump (FP) Relay -J17-







Fuel Pump (FP) Relay -J17- is located at position 4 of central electrics in driver's footwell, left.

Fig 3 Installation location of brake light switch -F- and brake pedal switch -F47-, clutch vacuum vent valve switch -F36-







1 - Clip
2 - Clutch vacuum vent valve switch -F36-
3 - Brake light switch -F-, brake pedal switch -F47-


NOTE: In order to assure sufficiently secure fitting, switches must not be installed more than once.


Fig. 4 Installation location of Secondary Air Injection (AIR) solenoid valve -N112- and recirculating valve for turbocharger -N249-







- Installation location: Below intake manifold

1 - Recirculating valve for turbocharger -N249-
2 - Secondary Air Injection (AIR) solenoid valve -N112-


NOTE: Illustration depicts intake manifold removed from below.


Fig. 5 Installation position, Throttle Position (TP) sensor -G79- and sender 2 for accelerator pedal position -G185-







Fig. 6 Installation positions in E box, plenum chamber







1 - Engine Control Module (ECM)
2 - Secondary Air Injection (AIR) pump relay -J299-
3 - Motronic Engine Control Module (ECM) power supply relay -J271-
4 - Installation location of fuse S130 for Secondary Air Injection (AIR) pump

Fig. 7 Installation location, charge air pressure sensor -G31-







Charge air pressure sensor -G31- (arrow) bolted into charge air cooler at top